2019-05-29 14:12:25 +00:00
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// SPDX-License-Identifier: GPL-2.0-only
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2009-04-20 13:00:56 +00:00
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/*
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2009-06-02 21:37:05 +00:00
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* builtin-top.c
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*
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* Builtin top command: Display a continuously updated profile of
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* any workload, CPU or specific PID.
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*
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* Copyright (C) 2008, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
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perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
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* 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
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2009-06-02 21:37:05 +00:00
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*
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* Improvements and fixes by:
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*
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* Arjan van de Ven <arjan@linux.intel.com>
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* Yanmin Zhang <yanmin.zhang@intel.com>
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* Wu Fengguang <fengguang.wu@intel.com>
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* Mike Galbraith <efault@gmx.de>
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* Paul Mackerras <paulus@samba.org>
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2009-04-20 13:00:56 +00:00
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*/
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2009-06-02 21:37:05 +00:00
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#include "builtin.h"
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2009-04-20 13:00:56 +00:00
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2009-05-23 16:28:58 +00:00
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#include "perf.h"
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2009-06-02 21:37:05 +00:00
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2011-02-06 16:54:44 +00:00
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#include "util/annotate.h"
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2019-01-17 16:15:20 +00:00
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#include "util/bpf-event.h"
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2016-06-23 08:55:17 +00:00
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#include "util/config.h"
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2009-06-04 13:19:47 +00:00
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#include "util/color.h"
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2019-08-30 14:11:01 +00:00
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#include "util/dso.h"
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2011-01-11 22:56:53 +00:00
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#include "util/evlist.h"
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2011-01-03 18:39:04 +00:00
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#include "util/evsel.h"
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2019-09-24 18:56:14 +00:00
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#include "util/evsel_config.h"
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2017-04-25 18:30:47 +00:00
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#include "util/event.h"
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2012-10-06 19:26:02 +00:00
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#include "util/machine.h"
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2019-01-27 12:42:37 +00:00
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#include "util/map.h"
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2019-09-23 15:20:38 +00:00
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#include "util/mmap.h"
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2009-12-13 21:50:28 +00:00
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#include "util/session.h"
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2020-03-19 20:25:15 +00:00
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#include "util/thread.h"
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2009-12-13 21:50:28 +00:00
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#include "util/symbol.h"
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2019-09-18 14:36:13 +00:00
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#include "util/synthetic-events.h"
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2011-01-31 16:50:39 +00:00
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#include "util/top.h"
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2019-08-27 14:51:18 +00:00
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#include "util/util.h"
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2009-07-01 15:28:37 +00:00
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#include <linux/rbtree.h>
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2015-12-15 15:39:39 +00:00
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#include <subcmd/parse-options.h>
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2009-05-26 07:17:18 +00:00
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#include "util/parse-events.h"
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2019-08-30 14:54:00 +00:00
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#include "util/callchain.h"
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perf tools: Fix sparse CPU numbering related bugs
At present, the perf subcommands that do system-wide monitoring
(perf stat, perf record and perf top) don't work properly unless
the online cpus are numbered 0, 1, ..., N-1. These tools ask
for the number of online cpus with sysconf(_SC_NPROCESSORS_ONLN)
and then try to create events for cpus 0, 1, ..., N-1.
This creates problems for systems where the online cpus are
numbered sparsely. For example, a POWER6 system in
single-threaded mode (i.e. only running 1 hardware thread per
core) will have only even-numbered cpus online.
This fixes the problem by reading the /sys/devices/system/cpu/online
file to find out which cpus are online. The code that does that is in
tools/perf/util/cpumap.[ch], and consists of a read_cpu_map()
function that sets up a cpumap[] array and returns the number of
online cpus. If /sys/devices/system/cpu/online can't be read or
can't be parsed successfully, it falls back to using sysconf to
ask how many cpus are online and sets up an identity map in cpumap[].
The perf record, perf stat and perf top code then calls
read_cpu_map() in the system-wide monitoring case (instead of
sysconf) and uses cpumap[] to get the cpu numbers to pass to
perf_event_open.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: Anton Blanchard <anton@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
LKML-Reference: <20100310093609.GA3959@brick.ozlabs.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-03-10 09:36:09 +00:00
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#include "util/cpumap.h"
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perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
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#include "util/sort.h"
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2019-06-25 20:31:26 +00:00
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#include "util/string2.h"
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2017-04-18 14:08:10 +00:00
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#include "util/term.h"
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2012-07-31 04:31:35 +00:00
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#include "util/intlist.h"
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2015-07-18 15:24:52 +00:00
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#include "util/parse-branch-options.h"
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2013-05-15 05:56:51 +00:00
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#include "arch/common.h"
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2019-08-29 19:18:59 +00:00
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#include "ui/ui.h"
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2009-04-20 13:00:56 +00:00
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2009-08-16 20:05:48 +00:00
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#include "util/debug.h"
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2018-11-05 12:24:55 +00:00
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#include "util/ordered-events.h"
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2020-05-05 18:29:43 +00:00
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#include "util/pfm.h"
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2009-08-16 20:05:48 +00:00
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2009-04-20 13:00:56 +00:00
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#include <assert.h>
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2012-03-27 15:55:57 +00:00
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#include <elf.h>
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2009-04-20 13:00:56 +00:00
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#include <fcntl.h>
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2009-05-26 07:17:18 +00:00
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2009-04-20 13:00:56 +00:00
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#include <stdio.h>
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perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
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#include <termios.h>
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#include <unistd.h>
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2011-01-22 22:37:02 +00:00
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#include <inttypes.h>
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2009-05-26 07:17:18 +00:00
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2009-04-20 13:00:56 +00:00
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#include <errno.h>
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#include <time.h>
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#include <sched.h>
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2017-04-19 18:49:18 +00:00
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#include <signal.h>
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2009-04-20 13:00:56 +00:00
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#include <sys/syscall.h>
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#include <sys/ioctl.h>
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2014-09-15 18:54:34 +00:00
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#include <poll.h>
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2009-04-20 13:00:56 +00:00
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#include <sys/prctl.h>
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#include <sys/wait.h>
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#include <sys/uio.h>
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2012-03-27 15:55:57 +00:00
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#include <sys/utsname.h>
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2009-04-20 13:00:56 +00:00
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#include <sys/mman.h>
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2016-03-23 18:16:55 +00:00
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#include <linux/stringify.h>
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2016-08-08 18:37:58 +00:00
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#include <linux/time64.h>
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2009-04-20 13:00:56 +00:00
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#include <linux/types.h>
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2019-08-22 07:20:49 +00:00
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#include <linux/err.h>
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2009-04-20 13:00:56 +00:00
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tools perf: Move from sane_ctype.h obtained from git to the Linux's original
We got the sane_ctype.h headers from git and kept using it so far, but
since that code originally came from the kernel sources to the git
sources, perhaps its better to just use the one in the kernel, so that
we can leverage tools/perf/check_headers.sh to be notified when our copy
gets out of sync, i.e. when fixes or goodies are added to the code we've
copied.
This will help with things like tools/lib/string.c where we want to have
more things in common with the kernel, such as strim(), skip_spaces(),
etc so as to go on removing the things that we have in tools/perf/util/
and instead using the code in the kernel, indirectly and removing things
like EXPORT_SYMBOL(), etc, getting notified when fixes and improvements
are made to the original code.
Hopefully this also should help with reducing the difference of code
hosted in tools/ to the one in the kernel proper.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-7k9868l713wqtgo01xxygn12@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-06-25 20:27:31 +00:00
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#include <linux/ctype.h>
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2019-10-07 12:53:17 +00:00
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#include <perf/mmap.h>
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2017-04-17 19:10:49 +00:00
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2013-01-30 16:25:53 +00:00
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static volatile int done;
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2017-11-14 09:23:39 +00:00
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static volatile int resize;
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2013-01-30 16:25:53 +00:00
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2013-05-14 02:08:59 +00:00
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#define HEADER_LINE_NR 5
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2011-11-28 11:37:05 +00:00
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static void perf_top__update_print_entries(struct perf_top *top)
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2009-11-16 21:30:27 +00:00
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{
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2013-05-14 02:08:59 +00:00
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top->print_entries = top->winsize.ws_row - HEADER_LINE_NR;
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2009-11-16 21:30:27 +00:00
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}
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2017-11-15 13:30:57 +00:00
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static void winch_sig(int sig __maybe_unused)
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2009-11-16 21:30:27 +00:00
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{
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2017-11-14 09:23:39 +00:00
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resize = 1;
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}
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2011-11-28 11:37:05 +00:00
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2017-11-14 09:23:39 +00:00
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static void perf_top__resize(struct perf_top *top)
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{
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2011-11-28 11:37:05 +00:00
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get_term_dimensions(&top->winsize);
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perf_top__update_print_entries(top);
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2009-11-16 21:30:27 +00:00
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}
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2011-11-28 11:37:05 +00:00
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static int perf_top__parse_source(struct perf_top *top, struct hist_entry *he)
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perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
{
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
struct symbol *sym;
|
2011-02-08 15:27:39 +00:00
|
|
|
struct annotation *notes;
|
2009-10-02 06:29:58 +00:00
|
|
|
struct map *map;
|
2011-02-06 16:54:44 +00:00
|
|
|
int err = -1;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
if (!he || !he->ms.sym)
|
2010-03-15 14:46:58 +00:00
|
|
|
return -1;
|
|
|
|
|
2019-07-02 10:34:12 +00:00
|
|
|
evsel = hists_to_evsel(he->hists);
|
|
|
|
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
sym = he->ms.sym;
|
|
|
|
map = he->ms.map;
|
2010-03-15 14:46:58 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* We can't annotate with just /proc/kallsyms
|
|
|
|
*/
|
2013-08-07 11:38:54 +00:00
|
|
|
if (map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
|
|
|
|
!dso__is_kcore(map->dso)) {
|
2011-02-08 15:27:39 +00:00
|
|
|
pr_err("Can't annotate %s: No vmlinux file was found in the "
|
|
|
|
"path\n", sym->name);
|
|
|
|
sleep(1);
|
2010-03-15 14:46:58 +00:00
|
|
|
return -1;
|
2009-11-17 20:38:02 +00:00
|
|
|
}
|
|
|
|
|
2011-02-08 15:27:39 +00:00
|
|
|
notes = symbol__annotation(sym);
|
|
|
|
pthread_mutex_lock(¬es->lock);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
2019-07-21 11:24:28 +00:00
|
|
|
if (!symbol__hists(sym, top->evlist->core.nr_entries)) {
|
2011-02-22 15:02:07 +00:00
|
|
|
pthread_mutex_unlock(¬es->lock);
|
2011-02-06 16:54:44 +00:00
|
|
|
pr_err("Not enough memory for annotating '%s' symbol!\n",
|
|
|
|
sym->name);
|
2011-02-08 15:27:39 +00:00
|
|
|
sleep(1);
|
2011-02-22 15:02:07 +00:00
|
|
|
return err;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
2011-02-06 16:54:44 +00:00
|
|
|
|
2020-02-04 04:52:28 +00:00
|
|
|
err = symbol__annotate(&he->ms, evsel, &top->annotation_opts, NULL);
|
2011-02-06 16:54:44 +00:00
|
|
|
if (err == 0) {
|
2011-11-28 11:37:05 +00:00
|
|
|
top->sym_filter_entry = he;
|
2016-07-29 19:27:18 +00:00
|
|
|
} else {
|
|
|
|
char msg[BUFSIZ];
|
2019-11-04 14:10:00 +00:00
|
|
|
symbol__strerror_disassemble(&he->ms, err, msg, sizeof(msg));
|
2016-07-29 19:27:18 +00:00
|
|
|
pr_err("Couldn't annotate %s: %s\n", sym->name, msg);
|
2011-02-06 16:54:44 +00:00
|
|
|
}
|
2011-02-22 15:02:07 +00:00
|
|
|
|
2011-02-08 15:27:39 +00:00
|
|
|
pthread_mutex_unlock(¬es->lock);
|
2011-02-06 16:54:44 +00:00
|
|
|
return err;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
|
|
|
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
static void __zero_source_counters(struct hist_entry *he)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
{
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
struct symbol *sym = he->ms.sym;
|
2011-02-06 16:54:44 +00:00
|
|
|
symbol__annotate_zero_histograms(sym);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
|
|
|
|
2012-03-27 15:55:57 +00:00
|
|
|
static void ui__warn_map_erange(struct map *map, struct symbol *sym, u64 ip)
|
|
|
|
{
|
|
|
|
struct utsname uts;
|
|
|
|
int err = uname(&uts);
|
|
|
|
|
|
|
|
ui__warning("Out of bounds address found:\n\n"
|
|
|
|
"Addr: %" PRIx64 "\n"
|
|
|
|
"DSO: %s %c\n"
|
|
|
|
"Map: %" PRIx64 "-%" PRIx64 "\n"
|
|
|
|
"Symbol: %" PRIx64 "-%" PRIx64 " %c %s\n"
|
|
|
|
"Arch: %s\n"
|
|
|
|
"Kernel: %s\n"
|
|
|
|
"Tools: %s\n\n"
|
|
|
|
"Not all samples will be on the annotation output.\n\n"
|
|
|
|
"Please report to linux-kernel@vger.kernel.org\n",
|
|
|
|
ip, map->dso->long_name, dso__symtab_origin(map->dso),
|
|
|
|
map->start, map->end, sym->start, sym->end,
|
|
|
|
sym->binding == STB_GLOBAL ? 'g' :
|
|
|
|
sym->binding == STB_LOCAL ? 'l' : 'w', sym->name,
|
|
|
|
err ? "[unknown]" : uts.machine,
|
|
|
|
err ? "[unknown]" : uts.release, perf_version_string);
|
|
|
|
if (use_browser <= 0)
|
|
|
|
sleep(5);
|
2014-12-17 20:24:45 +00:00
|
|
|
|
2012-03-27 15:55:57 +00:00
|
|
|
map->erange_warned = true;
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_top__record_precise_ip(struct perf_top *top,
|
|
|
|
struct hist_entry *he,
|
2017-07-20 19:28:53 +00:00
|
|
|
struct perf_sample *sample,
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel, u64 ip)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
{
|
2011-02-08 15:27:39 +00:00
|
|
|
struct annotation *notes;
|
2015-12-11 02:56:56 +00:00
|
|
|
struct symbol *sym = he->ms.sym;
|
2014-02-20 01:32:53 +00:00
|
|
|
int err = 0;
|
2011-02-08 15:27:39 +00:00
|
|
|
|
2015-12-11 02:56:56 +00:00
|
|
|
if (sym == NULL || (use_browser == 0 &&
|
|
|
|
(top->sym_filter_entry == NULL ||
|
|
|
|
top->sym_filter_entry->ms.sym != sym)))
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
return;
|
|
|
|
|
2011-02-08 15:27:39 +00:00
|
|
|
notes = symbol__annotation(sym);
|
|
|
|
|
|
|
|
if (pthread_mutex_trylock(¬es->lock))
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
return;
|
|
|
|
|
2018-05-24 15:05:39 +00:00
|
|
|
err = hist_entry__inc_addr_samples(he, sample, evsel, ip);
|
2010-02-22 19:14:22 +00:00
|
|
|
|
2011-02-08 15:27:39 +00:00
|
|
|
pthread_mutex_unlock(¬es->lock);
|
2012-03-27 15:55:57 +00:00
|
|
|
|
2015-12-11 02:56:54 +00:00
|
|
|
if (unlikely(err)) {
|
|
|
|
/*
|
|
|
|
* This function is now called with he->hists->lock held.
|
|
|
|
* Release it before going to sleep.
|
|
|
|
*/
|
|
|
|
pthread_mutex_unlock(&he->hists->lock);
|
|
|
|
|
|
|
|
if (err == -ERANGE && !he->ms.map->erange_warned)
|
|
|
|
ui__warn_map_erange(he->ms.map, sym, ip);
|
|
|
|
else if (err == -ENOMEM) {
|
|
|
|
pr_err("Not enough memory for annotating '%s' symbol!\n",
|
|
|
|
sym->name);
|
|
|
|
sleep(1);
|
|
|
|
}
|
|
|
|
|
|
|
|
pthread_mutex_lock(&he->hists->lock);
|
2013-12-18 18:37:41 +00:00
|
|
|
}
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_top__show_details(struct perf_top *top)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
{
|
2011-11-28 11:37:05 +00:00
|
|
|
struct hist_entry *he = top->sym_filter_entry;
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel;
|
2011-02-08 15:27:39 +00:00
|
|
|
struct annotation *notes;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
struct symbol *symbol;
|
2011-02-06 16:54:44 +00:00
|
|
|
int more;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
if (!he)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
return;
|
|
|
|
|
2019-07-02 10:34:12 +00:00
|
|
|
evsel = hists_to_evsel(he->hists);
|
|
|
|
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
symbol = he->ms.sym;
|
2011-02-08 15:27:39 +00:00
|
|
|
notes = symbol__annotation(symbol);
|
|
|
|
|
|
|
|
pthread_mutex_lock(¬es->lock);
|
|
|
|
|
2017-10-11 15:01:42 +00:00
|
|
|
symbol__calc_percent(symbol, evsel);
|
|
|
|
|
2011-02-08 15:27:39 +00:00
|
|
|
if (notes->src == NULL)
|
|
|
|
goto out_unlock;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
2020-04-29 19:07:09 +00:00
|
|
|
printf("Showing %s for %s\n", evsel__name(top->sym_evsel), symbol->name);
|
2018-05-25 20:28:37 +00:00
|
|
|
printf(" Events Pcnt (>=%d%%)\n", top->annotation_opts.min_pcnt);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
2019-11-04 14:10:00 +00:00
|
|
|
more = symbol__annotate_printf(&he->ms, top->sym_evsel, &top->annotation_opts);
|
2015-06-17 19:50:52 +00:00
|
|
|
|
|
|
|
if (top->evlist->enabled) {
|
|
|
|
if (top->zero)
|
|
|
|
symbol__annotate_zero_histogram(symbol, top->sym_evsel->idx);
|
|
|
|
else
|
|
|
|
symbol__annotate_decay_histogram(symbol, top->sym_evsel->idx);
|
|
|
|
}
|
2011-02-06 16:54:44 +00:00
|
|
|
if (more != 0)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
printf("%d lines not displayed, maybe increase display entries [e]\n", more);
|
2011-02-08 15:27:39 +00:00
|
|
|
out_unlock:
|
|
|
|
pthread_mutex_unlock(¬es->lock);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2019-08-27 23:15:54 +00:00
|
|
|
static void perf_top__resort_hists(struct perf_top *t)
|
2019-08-09 19:44:34 +00:00
|
|
|
{
|
2019-08-27 23:15:54 +00:00
|
|
|
struct evlist *evlist = t->evlist;
|
2019-08-09 19:44:34 +00:00
|
|
|
struct evsel *pos;
|
|
|
|
|
|
|
|
evlist__for_each_entry(evlist, pos) {
|
|
|
|
struct hists *hists = evsel__hists(pos);
|
|
|
|
|
2019-08-27 23:15:55 +00:00
|
|
|
/*
|
|
|
|
* unlink existing entries so that they can be linked
|
|
|
|
* in a correct order in hists__match() below.
|
|
|
|
*/
|
|
|
|
hists__unlink(hists);
|
|
|
|
|
2019-08-27 23:15:54 +00:00
|
|
|
if (evlist->enabled) {
|
|
|
|
if (t->zero) {
|
|
|
|
hists__delete_entries(hists);
|
|
|
|
} else {
|
|
|
|
hists__decay_entries(hists, t->hide_user_symbols,
|
|
|
|
t->hide_kernel_symbols);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2019-08-09 19:44:34 +00:00
|
|
|
hists__collapse_resort(hists, NULL);
|
|
|
|
|
|
|
|
/* Non-group events are considered as leader */
|
2020-04-30 13:51:16 +00:00
|
|
|
if (symbol_conf.event_group && !evsel__is_group_leader(pos)) {
|
2019-08-09 19:44:34 +00:00
|
|
|
struct hists *leader_hists = evsel__hists(pos->leader);
|
|
|
|
|
|
|
|
hists__match(leader_hists, hists);
|
|
|
|
hists__link(leader_hists, hists);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
evlist__for_each_entry(evlist, pos) {
|
2020-05-06 15:58:55 +00:00
|
|
|
evsel__output_resort(pos, NULL);
|
2019-08-09 19:44:34 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_top__print_sym_table(struct perf_top *top)
|
2009-04-20 13:00:56 +00:00
|
|
|
{
|
2011-01-31 16:50:39 +00:00
|
|
|
char bf[160];
|
|
|
|
int printed = 0;
|
2011-11-28 11:37:05 +00:00
|
|
|
const int win_width = top->winsize.ws_col - 1;
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel = top->sym_evsel;
|
2016-01-18 09:24:00 +00:00
|
|
|
struct hists *hists = evsel__hists(evsel);
|
perf top: Reduce display overhead
Iterate over the symbol table once per display interval, and
copy/sort/tally/decay only those symbols which are active.
Before:
top - 10:14:53 up 4:08, 17 users, load average: 1.17, 1.53, 1.49
Tasks: 273 total, 5 running, 268 sleeping, 0 stopped, 0 zombie
Cpu(s): 6.9%us, 38.2%sy, 0.0%ni, 19.9%id, 0.0%wa, 0.0%hi, 35.0%si, 0.0%st
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ P COMMAND
28504 root 20 0 1044 260 164 S 58 0.0 0:04.19 2 netserver
28499 root 20 0 1040 412 316 R 51 0.0 0:04.15 0 netperf
28500 root 20 0 1040 408 316 R 50 0.0 0:04.14 1 netperf
28503 root 20 0 1044 260 164 S 50 0.0 0:04.01 1 netserver
28501 root 20 0 1044 260 164 S 49 0.0 0:03.99 0 netserver
28502 root 20 0 1040 412 316 S 43 0.0 0:03.96 2 netperf
28468 root 20 0 1892m 325m 972 S 16 10.8 0:10.50 3 perf
28467 root 20 0 1892m 325m 972 R 2 10.8 0:00.72 3 perf
After:
top - 10:16:30 up 4:10, 17 users, load average: 2.27, 1.88, 1.62
Tasks: 273 total, 6 running, 267 sleeping, 0 stopped, 0 zombie
Cpu(s): 2.5%us, 39.7%sy, 0.0%ni, 24.6%id, 0.0%wa, 0.0%hi, 33.3%si, 0.0%st
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ P COMMAND
28590 root 20 0 1040 412 316 S 54 0.0 0:07.85 2 netperf
28589 root 20 0 1044 260 164 R 54 0.0 0:07.84 0 netserver
28588 root 20 0 1040 412 316 R 50 0.0 0:07.89 1 netperf
28591 root 20 0 1044 256 164 S 50 0.0 0:07.82 1 netserver
28587 root 20 0 1040 408 316 R 47 0.0 0:07.61 0 netperf
28592 root 20 0 1044 260 164 R 47 0.0 0:07.85 2 netserver
28378 root 20 0 8732 1300 860 R 2 0.0 0:01.81 3 top
28577 root 20 0 1892m 165m 972 R 2 5.5 0:00.48 3 perf
28578 root 20 0 1892m 165m 972 S 2 5.5 0:00.04 3 perf
[ Impact: optimization ]
Signed-off-by: Mike Galbraith <efault@gmx.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-05-25 07:57:56 +00:00
|
|
|
|
2009-06-04 18:48:04 +00:00
|
|
|
puts(CONSOLE_CLEAR);
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__header_snprintf(top, bf, sizeof(bf));
|
2011-01-31 16:50:39 +00:00
|
|
|
printf("%s\n", bf);
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2009-11-17 17:40:55 +00:00
|
|
|
printf("%-*.*s\n", win_width, win_width, graph_dotted_line);
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2018-01-18 21:26:30 +00:00
|
|
|
if (!top->record_opts.overwrite &&
|
2021-04-27 01:37:12 +00:00
|
|
|
(top->evlist->stats.nr_lost_warned !=
|
|
|
|
top->evlist->stats.nr_events[PERF_RECORD_LOST])) {
|
|
|
|
top->evlist->stats.nr_lost_warned =
|
|
|
|
top->evlist->stats.nr_events[PERF_RECORD_LOST];
|
2011-10-29 14:15:04 +00:00
|
|
|
color_fprintf(stdout, PERF_COLOR_RED,
|
|
|
|
"WARNING: LOST %d chunks, Check IO/CPU overload",
|
2021-04-27 01:37:12 +00:00
|
|
|
top->evlist->stats.nr_lost_warned);
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
++printed;
|
2011-01-29 14:08:00 +00:00
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
if (top->sym_filter_entry) {
|
|
|
|
perf_top__show_details(top);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2019-08-27 23:15:54 +00:00
|
|
|
perf_top__resort_hists(top);
|
2014-08-12 08:16:05 +00:00
|
|
|
|
2014-10-09 16:13:41 +00:00
|
|
|
hists__output_recalc_col_len(hists, top->print_entries - printed);
|
2009-11-24 14:05:14 +00:00
|
|
|
putchar('\n');
|
2014-10-09 16:13:41 +00:00
|
|
|
hists__fprintf(hists, false, top->print_entries - printed, win_width,
|
2018-06-20 18:58:20 +00:00
|
|
|
top->min_percent, stdout, !symbol_conf.use_callchain);
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
|
|
|
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
static void prompt_integer(int *target, const char *msg)
|
|
|
|
{
|
|
|
|
char *buf = malloc(0), *p;
|
|
|
|
size_t dummy = 0;
|
|
|
|
int tmp;
|
|
|
|
|
|
|
|
fprintf(stdout, "\n%s: ", msg);
|
|
|
|
if (getline(&buf, &dummy, stdin) < 0)
|
|
|
|
return;
|
|
|
|
|
|
|
|
p = strchr(buf, '\n');
|
|
|
|
if (p)
|
|
|
|
*p = 0;
|
|
|
|
|
|
|
|
p = buf;
|
|
|
|
while(*p) {
|
|
|
|
if (!isdigit(*p))
|
|
|
|
goto out_free;
|
|
|
|
p++;
|
|
|
|
}
|
|
|
|
tmp = strtoul(buf, NULL, 10);
|
|
|
|
*target = tmp;
|
|
|
|
out_free:
|
|
|
|
free(buf);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void prompt_percent(int *target, const char *msg)
|
|
|
|
{
|
|
|
|
int tmp = 0;
|
|
|
|
|
|
|
|
prompt_integer(&tmp, msg);
|
|
|
|
if (tmp >= 0 && tmp <= 100)
|
|
|
|
*target = tmp;
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_top__prompt_symbol(struct perf_top *top, const char *msg)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
{
|
|
|
|
char *buf = malloc(0), *p;
|
2011-11-28 11:37:05 +00:00
|
|
|
struct hist_entry *syme = top->sym_filter_entry, *n, *found = NULL;
|
2014-10-09 16:13:41 +00:00
|
|
|
struct hists *hists = evsel__hists(top->sym_evsel);
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
struct rb_node *next;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
size_t dummy = 0;
|
|
|
|
|
|
|
|
/* zero counters of active symbol */
|
|
|
|
if (syme) {
|
|
|
|
__zero_source_counters(syme);
|
2011-11-28 11:37:05 +00:00
|
|
|
top->sym_filter_entry = NULL;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
fprintf(stdout, "\n%s: ", msg);
|
|
|
|
if (getline(&buf, &dummy, stdin) < 0)
|
|
|
|
goto out_free;
|
|
|
|
|
|
|
|
p = strchr(buf, '\n');
|
|
|
|
if (p)
|
|
|
|
*p = 0;
|
|
|
|
|
2018-12-06 19:18:18 +00:00
|
|
|
next = rb_first_cached(&hists->entries);
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
while (next) {
|
|
|
|
n = rb_entry(next, struct hist_entry, rb_node);
|
|
|
|
if (n->ms.sym && !strcmp(buf, n->ms.sym->name)) {
|
|
|
|
found = n;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
|
|
|
}
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
next = rb_next(&n->rb_node);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (!found) {
|
2010-01-13 15:22:19 +00:00
|
|
|
fprintf(stderr, "Sorry, %s is not active.\n", buf);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
sleep(1);
|
|
|
|
} else
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__parse_source(top, found);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
|
|
|
out_free:
|
|
|
|
free(buf);
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_top__print_mapped_keys(struct perf_top *top)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
{
|
2009-08-04 08:21:23 +00:00
|
|
|
char *name = NULL;
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
if (top->sym_filter_entry) {
|
|
|
|
struct symbol *sym = top->sym_filter_entry->ms.sym;
|
2009-08-04 08:21:23 +00:00
|
|
|
name = sym->name;
|
|
|
|
}
|
|
|
|
|
|
|
|
fprintf(stdout, "\nMapped keys:\n");
|
2011-11-28 11:37:05 +00:00
|
|
|
fprintf(stdout, "\t[d] display refresh delay. \t(%d)\n", top->delay_secs);
|
|
|
|
fprintf(stdout, "\t[e] display entries (lines). \t(%d)\n", top->print_entries);
|
2009-08-04 08:21:23 +00:00
|
|
|
|
2019-07-21 11:24:28 +00:00
|
|
|
if (top->evlist->core.nr_entries > 1)
|
2020-04-29 19:07:09 +00:00
|
|
|
fprintf(stdout, "\t[E] active event counter. \t(%s)\n", evsel__name(top->sym_evsel));
|
2009-08-04 08:21:23 +00:00
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
fprintf(stdout, "\t[f] profile display filter (count). \t(%d)\n", top->count_filter);
|
2009-08-04 08:21:23 +00:00
|
|
|
|
2018-05-25 20:28:37 +00:00
|
|
|
fprintf(stdout, "\t[F] annotate display filter (percent). \t(%d%%)\n", top->annotation_opts.min_pcnt);
|
2010-02-03 18:52:08 +00:00
|
|
|
fprintf(stdout, "\t[s] annotate symbol. \t(%s)\n", name?: "NULL");
|
|
|
|
fprintf(stdout, "\t[S] stop annotation.\n");
|
2009-08-04 08:21:23 +00:00
|
|
|
|
2009-11-16 23:45:24 +00:00
|
|
|
fprintf(stdout,
|
2017-11-12 01:10:47 +00:00
|
|
|
"\t[K] hide kernel symbols. \t(%s)\n",
|
2011-11-28 11:37:05 +00:00
|
|
|
top->hide_kernel_symbols ? "yes" : "no");
|
2009-11-16 23:45:24 +00:00
|
|
|
fprintf(stdout,
|
|
|
|
"\t[U] hide user symbols. \t(%s)\n",
|
2011-11-28 11:37:05 +00:00
|
|
|
top->hide_user_symbols ? "yes" : "no");
|
|
|
|
fprintf(stdout, "\t[z] toggle sample zeroing. \t(%d)\n", top->zero ? 1 : 0);
|
2009-08-04 08:21:23 +00:00
|
|
|
fprintf(stdout, "\t[qQ] quit.\n");
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static int perf_top__key_mapped(struct perf_top *top, int c)
|
2009-08-04 08:21:23 +00:00
|
|
|
{
|
|
|
|
switch (c) {
|
|
|
|
case 'd':
|
|
|
|
case 'e':
|
|
|
|
case 'f':
|
|
|
|
case 'z':
|
|
|
|
case 'q':
|
|
|
|
case 'Q':
|
2009-11-16 23:45:24 +00:00
|
|
|
case 'K':
|
|
|
|
case 'U':
|
2010-02-03 18:52:08 +00:00
|
|
|
case 'F':
|
|
|
|
case 's':
|
|
|
|
case 'S':
|
2009-08-04 08:21:23 +00:00
|
|
|
return 1;
|
|
|
|
case 'E':
|
2019-07-21 11:24:28 +00:00
|
|
|
return top->evlist->core.nr_entries > 1 ? 1 : 0;
|
2009-08-15 10:26:57 +00:00
|
|
|
default:
|
|
|
|
break;
|
2009-08-04 08:21:23 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
static bool perf_top__handle_keypress(struct perf_top *top, int c)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
{
|
2013-01-30 16:25:53 +00:00
|
|
|
bool ret = true;
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
if (!perf_top__key_mapped(top, c)) {
|
2009-08-04 08:21:23 +00:00
|
|
|
struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
|
2014-08-15 19:24:45 +00:00
|
|
|
struct termios save;
|
2009-08-04 08:21:23 +00:00
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__print_mapped_keys(top);
|
2009-08-04 08:21:23 +00:00
|
|
|
fprintf(stdout, "\nEnter selection, or unmapped key to continue: ");
|
|
|
|
fflush(stdout);
|
|
|
|
|
2014-08-15 19:24:45 +00:00
|
|
|
set_term_quiet_input(&save);
|
2009-08-04 08:21:23 +00:00
|
|
|
|
|
|
|
poll(&stdin_poll, 1, -1);
|
|
|
|
c = getc(stdin);
|
|
|
|
|
|
|
|
tcsetattr(0, TCSAFLUSH, &save);
|
2011-11-28 11:37:05 +00:00
|
|
|
if (!perf_top__key_mapped(top, c))
|
2013-01-30 16:25:53 +00:00
|
|
|
return ret;
|
2009-08-04 08:21:23 +00:00
|
|
|
}
|
|
|
|
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
switch (c) {
|
|
|
|
case 'd':
|
2011-11-28 11:37:05 +00:00
|
|
|
prompt_integer(&top->delay_secs, "Enter display delay");
|
|
|
|
if (top->delay_secs < 1)
|
|
|
|
top->delay_secs = 1;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
|
|
|
case 'e':
|
2011-11-28 11:37:05 +00:00
|
|
|
prompt_integer(&top->print_entries, "Enter display entries (lines)");
|
|
|
|
if (top->print_entries == 0) {
|
2017-11-14 09:23:39 +00:00
|
|
|
perf_top__resize(top);
|
2017-11-15 13:30:57 +00:00
|
|
|
signal(SIGWINCH, winch_sig);
|
2012-01-30 10:50:37 +00:00
|
|
|
} else {
|
2009-11-16 21:30:27 +00:00
|
|
|
signal(SIGWINCH, SIG_DFL);
|
2012-01-30 10:50:37 +00:00
|
|
|
}
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
|
|
|
case 'E':
|
2019-07-21 11:24:28 +00:00
|
|
|
if (top->evlist->core.nr_entries > 1) {
|
2011-03-23 07:29:39 +00:00
|
|
|
/* Select 0 as the default event: */
|
|
|
|
int counter = 0;
|
|
|
|
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
fprintf(stderr, "\nAvailable events:");
|
2011-01-03 18:39:04 +00:00
|
|
|
|
2016-06-23 14:26:15 +00:00
|
|
|
evlist__for_each_entry(top->evlist, top->sym_evsel)
|
2020-04-29 19:07:09 +00:00
|
|
|
fprintf(stderr, "\n\t%d %s", top->sym_evsel->idx, evsel__name(top->sym_evsel));
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
2011-03-11 13:11:48 +00:00
|
|
|
prompt_integer(&counter, "Enter details event counter");
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
2019-07-21 11:24:28 +00:00
|
|
|
if (counter >= top->evlist->core.nr_entries) {
|
2019-09-03 08:39:52 +00:00
|
|
|
top->sym_evsel = evlist__first(top->evlist);
|
2020-04-29 19:07:09 +00:00
|
|
|
fprintf(stderr, "Sorry, no such event, using %s.\n", evsel__name(top->sym_evsel));
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
sleep(1);
|
2011-01-03 18:39:04 +00:00
|
|
|
break;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
2016-06-23 14:26:15 +00:00
|
|
|
evlist__for_each_entry(top->evlist, top->sym_evsel)
|
2011-11-28 11:37:05 +00:00
|
|
|
if (top->sym_evsel->idx == counter)
|
2011-01-03 18:39:04 +00:00
|
|
|
break;
|
2011-03-11 13:11:48 +00:00
|
|
|
} else
|
2019-09-03 08:39:52 +00:00
|
|
|
top->sym_evsel = evlist__first(top->evlist);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
|
|
|
case 'f':
|
2011-11-28 11:37:05 +00:00
|
|
|
prompt_integer(&top->count_filter, "Enter display event count filter");
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
|
|
|
case 'F':
|
2018-05-25 20:28:37 +00:00
|
|
|
prompt_percent(&top->annotation_opts.min_pcnt,
|
2011-11-28 11:37:05 +00:00
|
|
|
"Enter details display event filter (percent)");
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
2009-11-16 23:45:24 +00:00
|
|
|
case 'K':
|
2011-11-28 11:37:05 +00:00
|
|
|
top->hide_kernel_symbols = !top->hide_kernel_symbols;
|
2009-11-16 23:45:24 +00:00
|
|
|
break;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
case 'q':
|
|
|
|
case 'Q':
|
|
|
|
printf("exiting.\n");
|
2011-11-28 11:37:05 +00:00
|
|
|
if (top->dump_symtab)
|
|
|
|
perf_session__fprintf_dsos(top->session, stderr);
|
2013-01-30 16:25:53 +00:00
|
|
|
ret = false;
|
|
|
|
break;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
case 's':
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__prompt_symbol(top, "Enter details symbol");
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
|
|
|
case 'S':
|
2011-11-28 11:37:05 +00:00
|
|
|
if (!top->sym_filter_entry)
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
|
|
|
else {
|
2011-11-28 11:37:05 +00:00
|
|
|
struct hist_entry *syme = top->sym_filter_entry;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
top->sym_filter_entry = NULL;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
__zero_source_counters(syme);
|
|
|
|
}
|
|
|
|
break;
|
2009-11-16 23:45:24 +00:00
|
|
|
case 'U':
|
2011-11-28 11:37:05 +00:00
|
|
|
top->hide_user_symbols = !top->hide_user_symbols;
|
2009-11-16 23:45:24 +00:00
|
|
|
break;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
case 'z':
|
2011-11-28 11:37:05 +00:00
|
|
|
top->zero = !top->zero;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
break;
|
2009-08-15 10:26:57 +00:00
|
|
|
default:
|
|
|
|
break;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
2013-01-30 16:25:53 +00:00
|
|
|
|
|
|
|
return ret;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
}
|
|
|
|
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
static void perf_top__sort_new_samples(void *arg)
|
|
|
|
{
|
|
|
|
struct perf_top *t = arg;
|
2014-10-09 16:13:41 +00:00
|
|
|
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
if (t->evlist->selected != NULL)
|
|
|
|
t->sym_evsel = t->evlist->selected;
|
|
|
|
|
2019-08-27 23:15:54 +00:00
|
|
|
perf_top__resort_hists(t);
|
2018-11-05 20:34:47 +00:00
|
|
|
|
2018-11-19 10:12:01 +00:00
|
|
|
if (t->lost || t->drop)
|
2018-11-05 20:34:47 +00:00
|
|
|
pr_warning("Too slow to read ring buffer (change period (-c/-F) or limit CPUs (-C)\n");
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
}
|
|
|
|
|
2018-11-07 19:11:19 +00:00
|
|
|
static void stop_top(void)
|
|
|
|
{
|
|
|
|
session_done = 1;
|
|
|
|
done = 1;
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void *display_thread_tui(void *arg)
|
2011-01-31 20:19:33 +00:00
|
|
|
{
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *pos;
|
2011-11-28 11:37:05 +00:00
|
|
|
struct perf_top *top = arg;
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
const char *help = "For a higher level overview, try: perf top --sort comm,dso";
|
2012-11-02 05:50:05 +00:00
|
|
|
struct hist_browser_timer hbt = {
|
|
|
|
.timer = perf_top__sort_new_samples,
|
|
|
|
.arg = top,
|
|
|
|
.refresh = top->delay_secs,
|
|
|
|
};
|
2020-03-24 22:07:11 +00:00
|
|
|
int ret;
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
|
2017-07-06 01:48:12 +00:00
|
|
|
/* In order to read symbols from other namespaces perf to needs to call
|
|
|
|
* setns(2). This isn't permitted if the struct_fs has multiple users.
|
|
|
|
* unshare(2) the fs so that we may continue to setns into namespaces
|
|
|
|
* that we're observing.
|
|
|
|
*/
|
|
|
|
unshare(CLONE_FS);
|
|
|
|
|
2019-08-06 14:20:42 +00:00
|
|
|
prctl(PR_SET_NAME, "perf-top-UI", 0, 0, 0);
|
|
|
|
|
2020-03-24 22:07:11 +00:00
|
|
|
repeat:
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__sort_new_samples(top);
|
2012-01-19 16:08:15 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Initialize the uid_filter_str, in the future the TUI will allow
|
2018-12-03 10:22:00 +00:00
|
|
|
* Zooming in/out UIDs. For now just use whatever the user passed
|
2012-01-19 16:08:15 +00:00
|
|
|
* via --uid.
|
|
|
|
*/
|
2016-06-23 14:26:15 +00:00
|
|
|
evlist__for_each_entry(top->evlist, pos) {
|
2014-10-09 16:13:41 +00:00
|
|
|
struct hists *hists = evsel__hists(pos);
|
|
|
|
hists->uid_filter_str = top->record_opts.target.uid_str;
|
|
|
|
}
|
2012-01-19 16:08:15 +00:00
|
|
|
|
2020-11-30 17:23:35 +00:00
|
|
|
ret = evlist__tui_browse_hists(top->evlist, help, &hbt, top->min_percent,
|
|
|
|
&top->session->header.env, !top->record_opts.overwrite,
|
|
|
|
&top->annotation_opts);
|
2020-03-24 22:07:11 +00:00
|
|
|
if (ret == K_RELOAD) {
|
|
|
|
top->zero = true;
|
|
|
|
goto repeat;
|
|
|
|
} else
|
|
|
|
stop_top();
|
|
|
|
|
2011-01-31 20:19:33 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2014-08-11 08:50:07 +00:00
|
|
|
static void display_sig(int sig __maybe_unused)
|
|
|
|
{
|
2018-11-07 19:11:19 +00:00
|
|
|
stop_top();
|
2014-08-11 08:50:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void display_setup_sig(void)
|
|
|
|
{
|
2015-08-19 18:16:08 +00:00
|
|
|
signal(SIGSEGV, sighandler_dump_stack);
|
|
|
|
signal(SIGFPE, sighandler_dump_stack);
|
2014-08-11 08:50:07 +00:00
|
|
|
signal(SIGINT, display_sig);
|
|
|
|
signal(SIGQUIT, display_sig);
|
|
|
|
signal(SIGTERM, display_sig);
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void *display_thread(void *arg)
|
2009-04-20 13:00:56 +00:00
|
|
|
{
|
2009-06-04 18:48:04 +00:00
|
|
|
struct pollfd stdin_poll = { .fd = 0, .events = POLLIN };
|
2014-08-11 08:50:02 +00:00
|
|
|
struct termios save;
|
2011-11-28 11:37:05 +00:00
|
|
|
struct perf_top *top = arg;
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
int delay_msecs, c;
|
|
|
|
|
2017-07-06 01:48:12 +00:00
|
|
|
/* In order to read symbols from other namespaces perf to needs to call
|
|
|
|
* setns(2). This isn't permitted if the struct_fs has multiple users.
|
|
|
|
* unshare(2) the fs so that we may continue to setns into namespaces
|
|
|
|
* that we're observing.
|
|
|
|
*/
|
|
|
|
unshare(CLONE_FS);
|
|
|
|
|
2019-08-06 14:20:42 +00:00
|
|
|
prctl(PR_SET_NAME, "perf-top-UI", 0, 0, 0);
|
|
|
|
|
2014-08-11 08:50:07 +00:00
|
|
|
display_setup_sig();
|
2011-10-13 11:52:46 +00:00
|
|
|
pthread__unblock_sigwinch();
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
repeat:
|
2016-08-08 18:37:58 +00:00
|
|
|
delay_msecs = top->delay_secs * MSEC_PER_SEC;
|
2014-08-11 08:50:02 +00:00
|
|
|
set_term_quiet_input(&save);
|
perf_counter tools: Fix/resurrect perf top annotation in a simple interactive form
perf top used to have annotation support, but it has bitrotted and
removed.
This patch restores that: it allows the user to select any symbol
in kernel space for source level annotation on the fly, switch
between event counters and alter display variables. When symbol
details are being displayed, stopping annotation reverts to normal.
known keys:
[d] select display delay.
[e] select display entries (lines).
[E] select annotation event counter.
[f] select normal display count filter.
[F] select annotation display count filter (percentage).
[qQ] quit.
[s] select annotation symbol and start annotation.
[S] stop annotation, revert to normal display.
[z] toggle event count zeroing.
Sample:
------------------------------------------------------------------------------
PerfTop: 16719 irqs/sec kernel:78.7% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing cache-misses for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% /* adjust length to remove Ethernet CRC */
0 0.0% if (!(adapter->flags2 & FLAG2_CRC_STRIPPING))
0 0.0% length -= 4;
436 5.0% f039: 41 f6 84 24 5c 29 00 testb $0x1,0x295c(%r12)
0 0.0% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
0 0.0% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
811 9.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
0 0.0% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
7226 82.6% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Available events:
0 cache-misses
1 cache-references
2 instructions
3 cycles
Enter details event counter: 2
------------------------------------------------------------------------------
PerfTop: 15035 irqs/sec kernel:79.0% [cache-misses/cache-references/instructions/cycles], (all, 4 CPUs)
------------------------------------------------------------------------------
Showing instructions for e1000_clean_rx_irq
Events Pcnt (>=3%)
0 0.0% int *work_done, int work_to_do)
0 0.0% {
175 0.9% eebf: 55 push %rbp
1898 9.8% eec0: 48 89 e5 mov %rsp,%rbp
0 0.0%
0 0.0% i = rx_ring->next_to_clean;
140 0.7% ef0a: 0f b7 41 1a movzwl 0x1a(%rcx),%eax
670 3.4% ef0e: 89 45 ac mov %eax,-0x54(%rbp)
0 0.0% {
0 0.0% memcpy(skb->data + offset, from, len);
91 0.5% f07b: 49 8b b6 e8 00 00 00 mov 0xe8(%r14),%rsi
1153 5.9% f082: 48 8b b8 e8 00 00 00 mov 0xe8(%rax),%rdi
42 0.2% f089: 8b 4d 84 mov -0x7c(%rbp),%ecx
14 0.1% f08c: 48 83 ef 02 sub $0x2,%rdi
0 0.0% f090: 48 83 ee 02 sub $0x2,%rsi
1618 8.3% f094: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi)
0 0.0%
0 0.0% /* return some buffers to hardware, one at a time is too slow */
0 0.0% if (cleaned_count >= E1000_RX_BUFFER_WRITE) {
867 4.5% f0e7: 83 7d b0 0f cmpl $0xf,-0x50(%rbp)
0 0.0%
0 0.0% while (rx_desc->status & E1000_RXD_STAT_DD) {
37 0.2% f114: 41 f6 47 0c 01 testb $0x1,0xc(%r15)
4047 20.8% f119: 0f 85 24 fe ff ff jne ef43 <e1000_clean_rx_irq+0x84>
Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-07-22 18:36:03 +00:00
|
|
|
/* trash return*/
|
2020-03-05 08:37:12 +00:00
|
|
|
clearerr(stdin);
|
|
|
|
if (poll(&stdin_poll, 1, 0) > 0)
|
|
|
|
getc(stdin);
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
while (!done) {
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__print_sym_table(top);
|
2011-10-13 11:52:46 +00:00
|
|
|
/*
|
|
|
|
* Either timeout expired or we got an EINTR due to SIGWINCH,
|
|
|
|
* refresh screen in both cases.
|
|
|
|
*/
|
|
|
|
switch (poll(&stdin_poll, 1, delay_msecs)) {
|
|
|
|
case 0:
|
|
|
|
continue;
|
|
|
|
case -1:
|
|
|
|
if (errno == EINTR)
|
|
|
|
continue;
|
2017-02-08 20:01:46 +00:00
|
|
|
__fallthrough;
|
2011-10-13 11:52:46 +00:00
|
|
|
default:
|
2013-01-30 16:25:53 +00:00
|
|
|
c = getc(stdin);
|
|
|
|
tcsetattr(0, TCSAFLUSH, &save);
|
|
|
|
|
|
|
|
if (perf_top__handle_keypress(top, c))
|
|
|
|
goto repeat;
|
2018-11-07 19:11:19 +00:00
|
|
|
stop_top();
|
2011-10-13 11:52:46 +00:00
|
|
|
}
|
|
|
|
}
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2014-08-11 08:50:07 +00:00
|
|
|
tcsetattr(0, TCSAFLUSH, &save);
|
2009-04-20 13:00:56 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2014-01-07 08:41:03 +00:00
|
|
|
static int hist_iter__top_callback(struct hist_entry_iter *iter,
|
|
|
|
struct addr_location *al, bool single,
|
|
|
|
void *arg)
|
|
|
|
{
|
|
|
|
struct perf_top *top = arg;
|
|
|
|
struct hist_entry *he = iter->he;
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel = iter->evsel;
|
2014-01-07 08:41:03 +00:00
|
|
|
|
2016-05-03 11:54:44 +00:00
|
|
|
if (perf_hpp_list.sym && single)
|
2018-05-24 15:05:39 +00:00
|
|
|
perf_top__record_precise_ip(top, he, iter->sample, evsel, al->addr);
|
2014-01-07 08:41:03 +00:00
|
|
|
|
2015-07-18 15:24:52 +00:00
|
|
|
hist__account_cycles(iter->sample->branch_stack, al, iter->sample,
|
2019-11-07 07:47:15 +00:00
|
|
|
!(top->record_opts.branch_stack & PERF_SAMPLE_BRANCH_ANY),
|
|
|
|
NULL);
|
2014-01-07 08:41:03 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_event__process_sample(struct perf_tool *tool,
|
|
|
|
const union perf_event *event,
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel,
|
2011-01-29 16:01:45 +00:00
|
|
|
struct perf_sample *sample,
|
2011-11-28 09:56:39 +00:00
|
|
|
struct machine *machine)
|
2009-04-20 13:00:56 +00:00
|
|
|
{
|
2011-11-28 11:37:05 +00:00
|
|
|
struct perf_top *top = container_of(tool, struct perf_top, tool);
|
perf tools: Consolidate symbol resolving across all tools
Now we have a very high level routine for simple tools to
process IP sample events:
int event__preprocess_sample(const event_t *self,
struct addr_location *al,
symbol_filter_t filter)
It receives the event itself and will insert new threads in the
global threads list and resolve the map and symbol, filling all
this info into the new addr_location struct, so that tools like
annotate and report can further process the event by creating
hist_entries in their specific way (with or without callgraphs,
etc).
It in turn uses the new next layer function:
void thread__find_addr_location(struct thread *self, u8 cpumode,
enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter)
This one will, given a thread (userspace or the kernel kthread
one), will find the given type (MAP__FUNCTION now, MAP__VARIABLE
too in the near future) at the given cpumode, taking vdsos into
account (userspace hit, but kernel symbol) and will fill all
these details in the addr_location given.
Tools that need a more compact API for plain function
resolution, like 'kmem', can use this other one:
struct symbol *thread__find_function(struct thread *self, u64 addr,
symbol_filter_t filter)
So, to resolve a kernel symbol, that is all the 'kmem' tool
needs, its just a matter of calling:
sym = thread__find_function(kthread, addr, NULL);
The 'filter' parameter is needed because we do lazy
parsing/loading of ELF symtabs or /proc/kallsyms.
With this we remove more code duplication all around, which is
always good, huh? :-)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: John Kacur <jkacur@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259346563-12568-12-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-11-27 18:29:23 +00:00
|
|
|
struct addr_location al;
|
2011-10-05 22:30:22 +00:00
|
|
|
int err;
|
2009-10-26 21:23:19 +00:00
|
|
|
|
2010-04-28 00:17:50 +00:00
|
|
|
if (!machine && perf_guest) {
|
2012-07-31 04:31:35 +00:00
|
|
|
static struct intlist *seen;
|
|
|
|
|
|
|
|
if (!seen)
|
2013-01-24 19:17:27 +00:00
|
|
|
seen = intlist__new(NULL);
|
2012-07-31 04:31:35 +00:00
|
|
|
|
2013-08-27 08:23:06 +00:00
|
|
|
if (!intlist__has_entry(seen, sample->pid)) {
|
2012-07-31 04:31:35 +00:00
|
|
|
pr_err("Can't find guest [%d]'s kernel information\n",
|
2013-08-27 08:23:06 +00:00
|
|
|
sample->pid);
|
|
|
|
intlist__add(seen, sample->pid);
|
2012-07-31 04:31:35 +00:00
|
|
|
}
|
2010-04-19 05:32:50 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2012-02-10 17:05:04 +00:00
|
|
|
if (!machine) {
|
2013-01-30 16:25:53 +00:00
|
|
|
pr_err("%u unprocessable samples recorded.\r",
|
2015-02-14 17:50:11 +00:00
|
|
|
top->session->evlist->stats.nr_unprocessable_samples++);
|
2012-02-10 17:05:04 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2011-01-29 16:01:45 +00:00
|
|
|
if (event->header.misc & PERF_RECORD_MISC_EXACT_IP)
|
2011-11-28 11:37:05 +00:00
|
|
|
top->exact_samples++;
|
2010-03-04 13:19:36 +00:00
|
|
|
|
2016-03-22 21:39:09 +00:00
|
|
|
if (machine__resolve(machine, &al, sample) < 0)
|
perf tools: Consolidate symbol resolving across all tools
Now we have a very high level routine for simple tools to
process IP sample events:
int event__preprocess_sample(const event_t *self,
struct addr_location *al,
symbol_filter_t filter)
It receives the event itself and will insert new threads in the
global threads list and resolve the map and symbol, filling all
this info into the new addr_location struct, so that tools like
annotate and report can further process the event by creating
hist_entries in their specific way (with or without callgraphs,
etc).
It in turn uses the new next layer function:
void thread__find_addr_location(struct thread *self, u8 cpumode,
enum map_type type, u64 addr,
struct addr_location *al,
symbol_filter_t filter)
This one will, given a thread (userspace or the kernel kthread
one), will find the given type (MAP__FUNCTION now, MAP__VARIABLE
too in the near future) at the given cpumode, taking vdsos into
account (userspace hit, but kernel symbol) and will fill all
these details in the addr_location given.
Tools that need a more compact API for plain function
resolution, like 'kmem', can use this other one:
struct symbol *thread__find_function(struct thread *self, u64 addr,
symbol_filter_t filter)
So, to resolve a kernel symbol, that is all the 'kmem' tool
needs, its just a matter of calling:
sym = thread__find_function(kthread, addr, NULL);
The 'filter' parameter is needed because we do lazy
parsing/loading of ELF symtabs or /proc/kallsyms.
With this we remove more code duplication all around, which is
always good, huh? :-)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: John Kacur <jkacur@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259346563-12568-12-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-11-27 18:29:23 +00:00
|
|
|
return;
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2020-03-19 20:25:15 +00:00
|
|
|
if (top->stitch_lbr)
|
|
|
|
al.thread->lbr_stitch_enable = true;
|
|
|
|
|
2016-05-17 14:58:52 +00:00
|
|
|
if (!machine->kptr_restrict_warned &&
|
2011-05-27 14:53:28 +00:00
|
|
|
symbol_conf.kptr_restrict &&
|
|
|
|
al.cpumode == PERF_RECORD_MISC_KERNEL) {
|
2020-11-30 18:07:49 +00:00
|
|
|
if (!evlist__exclude_kernel(top->session->evlist)) {
|
2017-11-14 16:30:19 +00:00
|
|
|
ui__warning(
|
2011-05-27 14:53:28 +00:00
|
|
|
"Kernel address maps (/proc/{kallsyms,modules}) are restricted.\n\n"
|
2019-08-27 01:39:16 +00:00
|
|
|
"Check /proc/sys/kernel/kptr_restrict and /proc/sys/kernel/perf_event_paranoid.\n\n"
|
2011-05-27 14:53:28 +00:00
|
|
|
"Kernel%s samples will not be resolved.\n",
|
2018-04-23 20:13:49 +00:00
|
|
|
al.map && map__has_symbols(al.map) ?
|
2011-05-27 14:53:28 +00:00
|
|
|
" modules" : "");
|
2017-11-14 16:30:19 +00:00
|
|
|
if (use_browser <= 0)
|
|
|
|
sleep(5);
|
|
|
|
}
|
2016-05-17 14:58:52 +00:00
|
|
|
machine->kptr_restrict_warned = true;
|
2011-05-27 14:53:28 +00:00
|
|
|
}
|
|
|
|
|
2018-04-23 19:40:02 +00:00
|
|
|
if (al.sym == NULL && al.map != NULL) {
|
2011-05-27 16:42:16 +00:00
|
|
|
const char *msg = "Kernel samples will not be resolved.\n";
|
2010-01-27 23:05:49 +00:00
|
|
|
/*
|
|
|
|
* As we do lazy loading of symtabs we only will know if the
|
|
|
|
* specified vmlinux file is invalid when we actually have a
|
|
|
|
* hit in kernel space and then try to load it. So if we get
|
|
|
|
* here and there are _no_ symbols in the DSO backing the
|
|
|
|
* kernel map, bail out.
|
|
|
|
*
|
|
|
|
* We may never get here, for instance, if we use -K/
|
|
|
|
* --hide-kernel-symbols, even if the user specifies an
|
|
|
|
* invalid --vmlinux ;-)
|
|
|
|
*/
|
2016-05-17 14:58:52 +00:00
|
|
|
if (!machine->kptr_restrict_warned && !top->vmlinux_warned &&
|
2018-04-23 20:13:49 +00:00
|
|
|
__map__is_kernel(al.map) && map__has_symbols(al.map)) {
|
2011-05-27 16:42:16 +00:00
|
|
|
if (symbol_conf.vmlinux_name) {
|
2015-03-24 14:49:02 +00:00
|
|
|
char serr[256];
|
|
|
|
dso__strerror_load(al.map->dso, serr, sizeof(serr));
|
|
|
|
ui__warning("The %s file can't be used: %s\n%s",
|
|
|
|
symbol_conf.vmlinux_name, serr, msg);
|
2011-05-27 16:42:16 +00:00
|
|
|
} else {
|
|
|
|
ui__warning("A vmlinux file was not found.\n%s",
|
|
|
|
msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
if (use_browser <= 0)
|
|
|
|
sleep(5);
|
2011-11-28 11:37:05 +00:00
|
|
|
top->vmlinux_warned = true;
|
2010-01-27 23:05:49 +00:00
|
|
|
}
|
2010-02-03 18:52:08 +00:00
|
|
|
}
|
|
|
|
|
2016-08-30 14:15:59 +00:00
|
|
|
if (al.sym == NULL || !al.sym->idle) {
|
2014-10-09 16:13:41 +00:00
|
|
|
struct hists *hists = evsel__hists(evsel);
|
2014-01-07 08:41:03 +00:00
|
|
|
struct hist_entry_iter iter = {
|
2015-05-19 08:04:10 +00:00
|
|
|
.evsel = evsel,
|
|
|
|
.sample = sample,
|
|
|
|
.add_entry_cb = hist_iter__top_callback,
|
2014-01-07 08:41:03 +00:00
|
|
|
};
|
2011-01-13 00:39:13 +00:00
|
|
|
|
2014-01-07 08:41:03 +00:00
|
|
|
if (symbol_conf.cumulate_callchain)
|
|
|
|
iter.ops = &hist_iter_cumulative;
|
|
|
|
else
|
|
|
|
iter.ops = &hist_iter_normal;
|
2011-10-05 22:30:22 +00:00
|
|
|
|
2014-10-09 16:13:41 +00:00
|
|
|
pthread_mutex_lock(&hists->lock);
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
|
2015-05-19 08:04:10 +00:00
|
|
|
err = hist_entry_iter__add(&iter, &al, top->max_stack, top);
|
2014-01-07 08:41:03 +00:00
|
|
|
if (err < 0)
|
|
|
|
pr_err("Problem incrementing symbol period, skipping event\n");
|
2011-10-05 22:30:22 +00:00
|
|
|
|
2014-10-09 16:13:41 +00:00
|
|
|
pthread_mutex_unlock(&hists->lock);
|
2009-10-26 21:23:19 +00:00
|
|
|
}
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
|
perf machine: Protect the machine->threads with a rwlock
In addition to using refcounts for the struct thread lifetime
management, we need to protect access to machine->threads from
concurrent access.
That happens in 'perf top', where a thread processes events, inserting
and deleting entries from that rb_tree while another thread decays
hist_entries, that end up dropping references and ultimately deleting
threads from the rb_tree and releasing its resources when no further
hist_entry (or other data structures, like in 'perf sched') references
it.
So the rule is the same for refcounts + protected trees in the kernel,
get the tree lock, find object, bump the refcount, drop the tree lock,
return, use object, drop the refcount if no more use of it is needed,
keep it if storing it in some other data structure, drop when releasing
that data structure.
I.e. pair "t = machine__find(new)_thread()" with a "thread__put(t)", and
"perf_event__preprocess_sample(&al)" with "addr_location__put(&al)".
The addr_location__put() one is because as we return references to
several data structures, we may end up adding more reference counting
for the other data structures and then we'll drop it at
addr_location__put() time.
Acked-by: David Ahern <dsahern@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-bs9rt4n0jw3hi9f3zxyy3xln@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-04-06 23:43:22 +00:00
|
|
|
addr_location__put(&al);
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
|
|
|
|
2018-11-06 14:45:14 +00:00
|
|
|
static void
|
|
|
|
perf_top__process_lost(struct perf_top *top, union perf_event *event,
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel)
|
2018-11-06 14:45:14 +00:00
|
|
|
{
|
|
|
|
top->lost += event->lost.lost;
|
|
|
|
top->lost_total += event->lost.lost;
|
2021-04-27 01:37:12 +00:00
|
|
|
evsel->evlist->stats.total_lost += event->lost.lost;
|
2018-11-06 14:45:14 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
perf_top__process_lost_samples(struct perf_top *top,
|
|
|
|
union perf_event *event,
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel)
|
2018-11-06 14:45:14 +00:00
|
|
|
{
|
|
|
|
top->lost += event->lost_samples.lost;
|
|
|
|
top->lost_total += event->lost_samples.lost;
|
2021-04-27 01:37:12 +00:00
|
|
|
evsel->evlist->stats.total_lost_samples += event->lost_samples.lost;
|
2018-11-06 14:45:14 +00:00
|
|
|
}
|
|
|
|
|
2018-11-11 18:52:06 +00:00
|
|
|
static u64 last_timestamp;
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_top__mmap_read_idx(struct perf_top *top, int idx)
|
2009-04-20 13:00:56 +00:00
|
|
|
{
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
struct record_opts *opts = &top->record_opts;
|
2019-07-21 11:23:52 +00:00
|
|
|
struct evlist *evlist = top->evlist;
|
2019-07-27 18:30:53 +00:00
|
|
|
struct mmap *md;
|
2011-01-29 16:01:45 +00:00
|
|
|
union perf_event *event;
|
2009-04-20 13:00:56 +00:00
|
|
|
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
md = opts->overwrite ? &evlist->overwrite_mmap[idx] : &evlist->mmap[idx];
|
2019-10-07 12:53:18 +00:00
|
|
|
if (perf_mmap__read_init(&md->core) < 0)
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
return;
|
|
|
|
|
2019-10-07 12:53:20 +00:00
|
|
|
while ((event = perf_mmap__read_event(&md->core)) != NULL) {
|
2018-11-05 12:24:55 +00:00
|
|
|
int ret;
|
2011-10-29 14:15:04 +00:00
|
|
|
|
2020-11-30 12:43:07 +00:00
|
|
|
ret = evlist__parse_sample_timestamp(evlist, event, &last_timestamp);
|
2018-11-05 12:24:55 +00:00
|
|
|
if (ret && ret != -1)
|
2011-11-28 09:56:39 +00:00
|
|
|
break;
|
|
|
|
|
2018-11-11 18:52:06 +00:00
|
|
|
ret = ordered_events__queue(top->qe.in, event, last_timestamp, 0);
|
2018-11-05 12:24:55 +00:00
|
|
|
if (ret)
|
|
|
|
break;
|
2018-11-05 20:23:40 +00:00
|
|
|
|
2019-10-07 12:53:17 +00:00
|
|
|
perf_mmap__consume(&md->core);
|
2018-11-05 20:23:40 +00:00
|
|
|
|
|
|
|
if (top->qe.rotate) {
|
|
|
|
pthread_mutex_lock(&top->qe.mutex);
|
|
|
|
top->qe.rotate = false;
|
|
|
|
pthread_cond_signal(&top->qe.cond);
|
|
|
|
pthread_mutex_unlock(&top->qe.mutex);
|
|
|
|
}
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
|
2019-10-07 12:53:19 +00:00
|
|
|
perf_mmap__read_done(&md->core);
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static void perf_top__mmap_read(struct perf_top *top)
|
2009-06-06 21:10:43 +00:00
|
|
|
{
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
bool overwrite = top->record_opts.overwrite;
|
2019-07-21 11:23:52 +00:00
|
|
|
struct evlist *evlist = top->evlist;
|
2011-01-13 00:39:13 +00:00
|
|
|
int i;
|
|
|
|
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
if (overwrite)
|
2020-11-30 12:33:55 +00:00
|
|
|
evlist__toggle_bkw_mmap(evlist, BKW_MMAP_DATA_PENDING);
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
|
2019-07-30 11:04:59 +00:00
|
|
|
for (i = 0; i < top->evlist->core.nr_mmaps; i++)
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__mmap_read_idx(top, i);
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
|
|
|
|
if (overwrite) {
|
2020-11-30 12:33:55 +00:00
|
|
|
evlist__toggle_bkw_mmap(evlist, BKW_MMAP_EMPTY);
|
|
|
|
evlist__toggle_bkw_mmap(evlist, BKW_MMAP_RUNNING);
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
}
|
2009-06-06 21:10:43 +00:00
|
|
|
}
|
|
|
|
|
2018-01-18 21:26:26 +00:00
|
|
|
/*
|
|
|
|
* Check per-event overwrite term.
|
|
|
|
* perf top should support consistent term for all events.
|
|
|
|
* - All events don't have per-event term
|
|
|
|
* E.g. "cpu/cpu-cycles/,cpu/instructions/"
|
|
|
|
* Nothing change, return 0.
|
|
|
|
* - All events have same per-event term
|
|
|
|
* E.g. "cpu/cpu-cycles,no-overwrite/,cpu/instructions,no-overwrite/
|
|
|
|
* Using the per-event setting to replace the opts->overwrite if
|
|
|
|
* they are different, then return 0.
|
|
|
|
* - Events have different per-event term
|
|
|
|
* E.g. "cpu/cpu-cycles,overwrite/,cpu/instructions,no-overwrite/"
|
|
|
|
* Return -1
|
|
|
|
* - Some of the event set per-event term, but some not.
|
|
|
|
* E.g. "cpu/cpu-cycles/,cpu/instructions,no-overwrite/"
|
|
|
|
* Return -1
|
|
|
|
*/
|
|
|
|
static int perf_top__overwrite_check(struct perf_top *top)
|
|
|
|
{
|
|
|
|
struct record_opts *opts = &top->record_opts;
|
2019-07-21 11:23:52 +00:00
|
|
|
struct evlist *evlist = top->evlist;
|
2020-05-06 16:05:08 +00:00
|
|
|
struct evsel_config_term *term;
|
2018-01-18 21:26:26 +00:00
|
|
|
struct list_head *config_terms;
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel;
|
2018-01-18 21:26:26 +00:00
|
|
|
int set, overwrite = -1;
|
|
|
|
|
|
|
|
evlist__for_each_entry(evlist, evsel) {
|
|
|
|
set = -1;
|
|
|
|
config_terms = &evsel->config_terms;
|
|
|
|
list_for_each_entry(term, config_terms, list) {
|
2020-05-06 16:05:08 +00:00
|
|
|
if (term->type == EVSEL__CONFIG_TERM_OVERWRITE)
|
2018-01-18 21:26:26 +00:00
|
|
|
set = term->val.overwrite ? 1 : 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* no term for current and previous event (likely) */
|
|
|
|
if ((overwrite < 0) && (set < 0))
|
|
|
|
continue;
|
|
|
|
|
|
|
|
/* has term for both current and previous event, compare */
|
|
|
|
if ((overwrite >= 0) && (set >= 0) && (overwrite != set))
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
/* no term for current event but has term for previous one */
|
|
|
|
if ((overwrite >= 0) && (set < 0))
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
/* has term for current event */
|
|
|
|
if ((overwrite < 0) && (set >= 0)) {
|
|
|
|
/* if it's first event, set overwrite */
|
2019-09-03 08:39:52 +00:00
|
|
|
if (evsel == evlist__first(evlist))
|
2018-01-18 21:26:26 +00:00
|
|
|
overwrite = set;
|
|
|
|
else
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if ((overwrite >= 0) && (opts->overwrite != overwrite))
|
|
|
|
opts->overwrite = overwrite;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2018-01-18 21:26:28 +00:00
|
|
|
static int perf_top_overwrite_fallback(struct perf_top *top,
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel)
|
2018-01-18 21:26:28 +00:00
|
|
|
{
|
|
|
|
struct record_opts *opts = &top->record_opts;
|
2019-07-21 11:23:52 +00:00
|
|
|
struct evlist *evlist = top->evlist;
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *counter;
|
2018-01-18 21:26:28 +00:00
|
|
|
|
|
|
|
if (!opts->overwrite)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
/* only fall back when first event fails */
|
2019-09-03 08:39:52 +00:00
|
|
|
if (evsel != evlist__first(evlist))
|
2018-01-18 21:26:28 +00:00
|
|
|
return 0;
|
|
|
|
|
|
|
|
evlist__for_each_entry(evlist, counter)
|
2019-07-21 11:24:29 +00:00
|
|
|
counter->core.attr.write_backward = false;
|
2018-01-18 21:26:28 +00:00
|
|
|
opts->overwrite = false;
|
2018-02-26 18:17:10 +00:00
|
|
|
pr_debug2("fall back to non-overwrite mode\n");
|
2018-01-18 21:26:28 +00:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
static int perf_top__start_counters(struct perf_top *top)
|
2011-01-12 12:52:47 +00:00
|
|
|
{
|
2017-02-13 19:45:24 +00:00
|
|
|
char msg[BUFSIZ];
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *counter;
|
2019-07-21 11:23:52 +00:00
|
|
|
struct evlist *evlist = top->evlist;
|
2013-12-19 17:43:45 +00:00
|
|
|
struct record_opts *opts = &top->record_opts;
|
2011-10-25 12:42:19 +00:00
|
|
|
|
2018-01-18 21:26:26 +00:00
|
|
|
if (perf_top__overwrite_check(top)) {
|
|
|
|
ui__error("perf top only support consistent per-event "
|
|
|
|
"overwrite setting for all events\n");
|
|
|
|
goto out_err;
|
|
|
|
}
|
|
|
|
|
2020-11-30 18:07:49 +00:00
|
|
|
evlist__config(evlist, opts, &callchain_param);
|
2009-10-12 05:56:03 +00:00
|
|
|
|
2016-06-23 14:26:15 +00:00
|
|
|
evlist__for_each_entry(evlist, counter) {
|
2011-01-12 12:52:47 +00:00
|
|
|
try_again:
|
2019-07-21 11:24:41 +00:00
|
|
|
if (evsel__open(counter, top->evlist->core.cpus,
|
2019-07-21 11:24:42 +00:00
|
|
|
top->evlist->core.threads) < 0) {
|
2018-01-18 21:26:28 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Specially handle overwrite fall back.
|
|
|
|
* Because perf top is the only tool which has
|
|
|
|
* overwrite mode by default, support
|
|
|
|
* both overwrite and non-overwrite mode, and
|
|
|
|
* require consistent mode for all events.
|
|
|
|
*
|
|
|
|
* May move it to generic code with more tools
|
|
|
|
* have similar attribute.
|
|
|
|
*/
|
|
|
|
if (perf_missing_features.write_backward &&
|
|
|
|
perf_top_overwrite_fallback(top, counter))
|
|
|
|
goto try_again;
|
|
|
|
|
2020-04-30 14:46:15 +00:00
|
|
|
if (evsel__fallback(counter, errno, msg, sizeof(msg))) {
|
2017-02-17 08:17:38 +00:00
|
|
|
if (verbose > 0)
|
2012-12-13 17:16:30 +00:00
|
|
|
ui__warning("%s\n", msg);
|
2010-03-18 14:36:05 +00:00
|
|
|
goto try_again;
|
|
|
|
}
|
2011-03-28 12:50:11 +00:00
|
|
|
|
2020-05-04 16:43:03 +00:00
|
|
|
evsel__open_strerror(counter, &opts->target, errno, msg, sizeof(msg));
|
2012-12-13 18:10:58 +00:00
|
|
|
ui__error("%s\n", msg);
|
2011-03-28 12:50:11 +00:00
|
|
|
goto out_err;
|
2010-03-18 14:36:05 +00:00
|
|
|
}
|
2009-06-07 15:31:52 +00:00
|
|
|
}
|
2011-01-13 00:39:13 +00:00
|
|
|
|
2019-07-28 10:45:35 +00:00
|
|
|
if (evlist__mmap(evlist, opts->mmap_pages) < 0) {
|
2012-05-29 04:22:57 +00:00
|
|
|
ui__error("Failed to mmap with %d (%s)\n",
|
tools: Introduce str_error_r()
The tools so far have been using the strerror_r() GNU variant, that
returns a string, be it the buffer passed or something else.
But that, besides being tricky in cases where we expect that the
function using strerror_r() returns the error formatted in a provided
buffer (we have to check if it returned something else and copy that
instead), breaks the build on systems not using glibc, like Alpine
Linux, where musl libc is used.
So, introduce yet another wrapper, str_error_r(), that has the GNU
interface, but uses the portable XSI variant of strerror_r(), so that
users rest asured that the provided buffer is used and it is what is
returned.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-d4t42fnf48ytlk8rjxs822tf@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-07-06 14:56:20 +00:00
|
|
|
errno, str_error_r(errno, msg, sizeof(msg)));
|
2011-03-28 12:50:11 +00:00
|
|
|
goto out_err;
|
|
|
|
}
|
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
return 0;
|
2011-03-28 12:50:11 +00:00
|
|
|
|
|
|
|
out_err:
|
2013-01-30 16:25:53 +00:00
|
|
|
return -1;
|
2009-06-07 15:31:52 +00:00
|
|
|
}
|
|
|
|
|
2016-04-18 15:30:16 +00:00
|
|
|
static int callchain_param__setup_sample_type(struct callchain_param *callchain)
|
2011-10-05 22:30:22 +00:00
|
|
|
{
|
2019-01-08 13:56:59 +00:00
|
|
|
if (callchain->mode != CHAIN_NONE) {
|
2016-04-18 15:30:16 +00:00
|
|
|
if (callchain_register_param(callchain) < 0) {
|
2012-05-29 04:22:57 +00:00
|
|
|
ui__error("Can't register callchain params.\n");
|
2011-10-05 22:30:22 +00:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2018-11-05 12:24:55 +00:00
|
|
|
static struct ordered_events *rotate_queues(struct perf_top *top)
|
|
|
|
{
|
|
|
|
struct ordered_events *in = top->qe.in;
|
|
|
|
|
|
|
|
if (top->qe.in == &top->qe.data[1])
|
|
|
|
top->qe.in = &top->qe.data[0];
|
|
|
|
else
|
|
|
|
top->qe.in = &top->qe.data[1];
|
|
|
|
|
|
|
|
return in;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void *process_thread(void *arg)
|
|
|
|
{
|
|
|
|
struct perf_top *top = arg;
|
|
|
|
|
|
|
|
while (!done) {
|
|
|
|
struct ordered_events *out, *in = top->qe.in;
|
|
|
|
|
|
|
|
if (!in->nr_events) {
|
|
|
|
usleep(100);
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
out = rotate_queues(top);
|
2018-11-05 20:23:40 +00:00
|
|
|
|
|
|
|
pthread_mutex_lock(&top->qe.mutex);
|
|
|
|
top->qe.rotate = true;
|
|
|
|
pthread_cond_wait(&top->qe.cond, &top->qe.mutex);
|
|
|
|
pthread_mutex_unlock(&top->qe.mutex);
|
2018-11-05 12:24:55 +00:00
|
|
|
|
|
|
|
if (ordered_events__flush(out, OE_FLUSH__TOP))
|
|
|
|
pr_err("failed to process events\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2018-11-11 18:52:06 +00:00
|
|
|
/*
|
|
|
|
* Allow only 'top->delay_secs' seconds behind samples.
|
|
|
|
*/
|
|
|
|
static int should_drop(struct ordered_event *qevent, struct perf_top *top)
|
|
|
|
{
|
|
|
|
union perf_event *event = qevent->event;
|
|
|
|
u64 delay_timestamp;
|
|
|
|
|
|
|
|
if (event->header.type != PERF_RECORD_SAMPLE)
|
|
|
|
return false;
|
|
|
|
|
|
|
|
delay_timestamp = qevent->timestamp + top->delay_secs * NSEC_PER_SEC;
|
|
|
|
return delay_timestamp < last_timestamp;
|
|
|
|
}
|
|
|
|
|
2018-11-05 12:24:55 +00:00
|
|
|
static int deliver_event(struct ordered_events *qe,
|
|
|
|
struct ordered_event *qevent)
|
|
|
|
{
|
|
|
|
struct perf_top *top = qe->data;
|
2019-07-21 11:23:52 +00:00
|
|
|
struct evlist *evlist = top->evlist;
|
2018-11-05 12:24:55 +00:00
|
|
|
struct perf_session *session = top->session;
|
|
|
|
union perf_event *event = qevent->event;
|
|
|
|
struct perf_sample sample;
|
2019-07-21 11:23:51 +00:00
|
|
|
struct evsel *evsel;
|
2018-11-05 12:24:55 +00:00
|
|
|
struct machine *machine;
|
|
|
|
int ret = -1;
|
|
|
|
|
2018-11-11 19:02:46 +00:00
|
|
|
if (should_drop(qevent, top)) {
|
|
|
|
top->drop++;
|
|
|
|
top->drop_total++;
|
2018-11-11 18:52:06 +00:00
|
|
|
return 0;
|
2018-11-11 19:02:46 +00:00
|
|
|
}
|
2018-11-11 18:52:06 +00:00
|
|
|
|
2020-11-30 12:43:07 +00:00
|
|
|
ret = evlist__parse_sample(evlist, event, &sample);
|
2018-11-05 12:24:55 +00:00
|
|
|
if (ret) {
|
|
|
|
pr_err("Can't parse sample, err = %d\n", ret);
|
|
|
|
goto next_event;
|
|
|
|
}
|
|
|
|
|
2020-11-30 17:17:57 +00:00
|
|
|
evsel = evlist__id2evsel(session->evlist, sample.id);
|
2018-11-05 12:24:55 +00:00
|
|
|
assert(evsel != NULL);
|
|
|
|
|
perf top: Add --switch-on/--switch-off events
Just like 'perf trace' and 'perf script', should be useful for instance
to only consider samples after the initialization phase of some
workload.
The man page has some examples and considerations about its current
interface, that still doesn't handle the on/off events in a special way,
behaving just like when multiple events are specified, i.e.:
- In non-group mode (when the event list is not enclosed in {}) show a
a menu to allow choosing which event the user wants to see in the
histograms browser
- In group mode, be it using {} or asking for --group, show one column
per event.
Try for instance:
# perf top -e '{cycles,instructions,probe:icmp_rcv}' --switch-on=probe:icmp_rcv
Replace probe:icmp_rcv, that I put in place using:
# perf probe icmp_rcv:59
To hit when broadcast packets arrive, with a probe installed after an
initialization phase is over or after some other point of interest, some
garbage collection, etc, and also use --switch-off, for instance, on a
probe installed after said garbage collection is over.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Link: https://lkml.kernel.org/n/tip-c7q7qjeqtyvc9mkeipxza6ne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-15 19:03:26 +00:00
|
|
|
if (event->header.type == PERF_RECORD_SAMPLE) {
|
|
|
|
if (evswitch__discard(&top->evswitch, evsel))
|
|
|
|
return 0;
|
2018-11-05 12:24:55 +00:00
|
|
|
++top->samples;
|
perf top: Add --switch-on/--switch-off events
Just like 'perf trace' and 'perf script', should be useful for instance
to only consider samples after the initialization phase of some
workload.
The man page has some examples and considerations about its current
interface, that still doesn't handle the on/off events in a special way,
behaving just like when multiple events are specified, i.e.:
- In non-group mode (when the event list is not enclosed in {}) show a
a menu to allow choosing which event the user wants to see in the
histograms browser
- In group mode, be it using {} or asking for --group, show one column
per event.
Try for instance:
# perf top -e '{cycles,instructions,probe:icmp_rcv}' --switch-on=probe:icmp_rcv
Replace probe:icmp_rcv, that I put in place using:
# perf probe icmp_rcv:59
To hit when broadcast packets arrive, with a probe installed after an
initialization phase is over or after some other point of interest, some
garbage collection, etc, and also use --switch-off, for instance, on a
probe installed after said garbage collection is over.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Link: https://lkml.kernel.org/n/tip-c7q7qjeqtyvc9mkeipxza6ne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-15 19:03:26 +00:00
|
|
|
}
|
2018-11-05 12:24:55 +00:00
|
|
|
|
|
|
|
switch (sample.cpumode) {
|
|
|
|
case PERF_RECORD_MISC_USER:
|
|
|
|
++top->us_samples;
|
|
|
|
if (top->hide_user_symbols)
|
|
|
|
goto next_event;
|
|
|
|
machine = &session->machines.host;
|
|
|
|
break;
|
|
|
|
case PERF_RECORD_MISC_KERNEL:
|
|
|
|
++top->kernel_samples;
|
|
|
|
if (top->hide_kernel_symbols)
|
|
|
|
goto next_event;
|
|
|
|
machine = &session->machines.host;
|
|
|
|
break;
|
|
|
|
case PERF_RECORD_MISC_GUEST_KERNEL:
|
|
|
|
++top->guest_kernel_samples;
|
|
|
|
machine = perf_session__find_machine(session,
|
|
|
|
sample.pid);
|
|
|
|
break;
|
|
|
|
case PERF_RECORD_MISC_GUEST_USER:
|
|
|
|
++top->guest_us_samples;
|
|
|
|
/*
|
|
|
|
* TODO: we don't process guest user from host side
|
|
|
|
* except simple counting.
|
|
|
|
*/
|
|
|
|
goto next_event;
|
|
|
|
default:
|
|
|
|
if (event->header.type == PERF_RECORD_SAMPLE)
|
|
|
|
goto next_event;
|
|
|
|
machine = &session->machines.host;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (event->header.type == PERF_RECORD_SAMPLE) {
|
|
|
|
perf_event__process_sample(&top->tool, event, evsel,
|
|
|
|
&sample, machine);
|
|
|
|
} else if (event->header.type == PERF_RECORD_LOST) {
|
|
|
|
perf_top__process_lost(top, event, evsel);
|
|
|
|
} else if (event->header.type == PERF_RECORD_LOST_SAMPLES) {
|
|
|
|
perf_top__process_lost_samples(top, event, evsel);
|
|
|
|
} else if (event->header.type < PERF_RECORD_MAX) {
|
2021-04-27 01:37:12 +00:00
|
|
|
events_stats__inc(&session->evlist->stats, event->header.type);
|
2018-11-05 12:24:55 +00:00
|
|
|
machine__process_event(machine, event, &sample);
|
|
|
|
} else
|
|
|
|
++session->evlist->stats.nr_unknown_events;
|
|
|
|
|
|
|
|
ret = 0;
|
|
|
|
next_event:
|
|
|
|
return ret;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void init_process_thread(struct perf_top *top)
|
|
|
|
{
|
|
|
|
ordered_events__init(&top->qe.data[0], deliver_event, top);
|
|
|
|
ordered_events__init(&top->qe.data[1], deliver_event, top);
|
|
|
|
ordered_events__set_copy_on_queue(&top->qe.data[0], true);
|
|
|
|
ordered_events__set_copy_on_queue(&top->qe.data[1], true);
|
|
|
|
top->qe.in = &top->qe.data[0];
|
2018-11-05 20:23:40 +00:00
|
|
|
pthread_mutex_init(&top->qe.mutex, NULL);
|
|
|
|
pthread_cond_init(&top->qe.cond, NULL);
|
2018-11-05 12:24:55 +00:00
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
static int __cmd_top(struct perf_top *top)
|
2009-06-07 15:31:52 +00:00
|
|
|
{
|
2013-12-19 17:43:45 +00:00
|
|
|
struct record_opts *opts = &top->record_opts;
|
2018-11-05 12:24:55 +00:00
|
|
|
pthread_t thread, thread_process;
|
2011-10-05 22:30:22 +00:00
|
|
|
int ret;
|
2013-10-15 14:27:32 +00:00
|
|
|
|
2018-05-28 17:24:45 +00:00
|
|
|
if (!top->annotation_opts.objdump_path) {
|
|
|
|
ret = perf_env__lookup_objdump(&top->session->header.env,
|
|
|
|
&top->annotation_opts.objdump_path);
|
2013-05-15 05:56:51 +00:00
|
|
|
if (ret)
|
2019-03-16 08:05:47 +00:00
|
|
|
return ret;
|
2013-05-15 05:56:51 +00:00
|
|
|
}
|
|
|
|
|
2016-04-18 15:30:16 +00:00
|
|
|
ret = callchain_param__setup_sample_type(&callchain_param);
|
2011-10-05 22:30:22 +00:00
|
|
|
if (ret)
|
2019-03-16 08:05:47 +00:00
|
|
|
return ret;
|
2011-10-05 22:30:22 +00:00
|
|
|
|
2015-12-09 02:11:23 +00:00
|
|
|
if (perf_session__register_idle_thread(top->session) < 0)
|
2019-03-16 08:05:47 +00:00
|
|
|
return ret;
|
2015-09-30 01:45:26 +00:00
|
|
|
|
perf top: Add option to set the number of thread for event synthesize
Using UINT_MAX to indicate the default thread#, which is the max number
of online CPU.
Committer testing:
# perf trace --no-inherit -e clone -o /tmp/output perf top --num-thread-synthesize 9
# cat /tmp/output
? ( ? ): ... [continued]: clone()) = 26651 (perf)
0.059 ( 0.010 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfac44f30, parent_tidptr: 0x7f5bfac459d0, child_tidptr: 0x7f5bfac459d0, tls: 0x7f5bfac45700) = 26652 (perf)
0.116 ( 0.014 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfa443f30, parent_tidptr: 0x7f5bfa4449d0, child_tidptr: 0x7f5bfa4449d0, tls: 0x7f5bfa444700) = 26653 (perf)
0.141 ( 0.009 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9c42f30, parent_tidptr: 0x7f5bf9c439d0, child_tidptr: 0x7f5bf9c439d0, tls: 0x7f5bf9c43700) = 26654 (perf)
0.160 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9441f30, parent_tidptr: 0x7f5bf94429d0, child_tidptr: 0x7f5bf94429d0, tls: 0x7f5bf9442700) = 26655 (perf)
0.232 ( 0.013 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf8c40f30, parent_tidptr: 0x7f5bf8c419d0, child_tidptr: 0x7f5bf8c419d0, tls: 0x7f5bf8c41700) = 26656 (perf)
0.393 ( 0.011 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be3ffef30, parent_tidptr: 0x7f5be3fff9d0, child_tidptr: 0x7f5be3fff9d0, tls: 0x7f5be3fff700) = 26657 (perf)
0.802 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be37fdf30, parent_tidptr: 0x7f5be37fe9d0, child_tidptr: 0x7f5be37fe9d0, tls: 0x7f5be37fe700) = 26658 (perf)
1.411 ( 0.022 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26659 (perf)
246.422 ( 0.042 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26660 (perf)
#
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1506696477-146932-5-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-09-29 14:47:55 +00:00
|
|
|
if (top->nr_threads_synthesize > 1)
|
|
|
|
perf_set_multithreaded();
|
perf top: Implement multithreading for perf_event__synthesize_threads
The proc files which is sorted with alphabetical order are evenly
assigned to several synthesize threads to be processed in parallel.
For 'perf top', the threads number hard code to online CPU number. The
following patch will introduce an option to set it.
For other perf tools, the thread number is 1. Because the process
function is not ready for multithreading, e.g.
process_synthesized_event.
This patch series only support event synthesize multithreading for 'perf
top'. For other tools, it can be done separately later.
With multithread applied, the total processing time can get up to 1.56x
speedup on Knights Mill for 'perf top'.
For specific single event processing, the processing time could increase
because of the lock contention. So proc_map_timeout may need to be
increased. Otherwise some proc maps will be truncated.
Based on my test, increasing the proc_map_timeout has small impact
on the total processing time. The total processing time still get 1.49x
speedup on Knights Mill after increasing the proc_map_timeout.
The patch itself doesn't increase the proc_map_timeout.
Doesn't need to implement multithreading for per task monitoring,
perf_event__synthesize_thread_map. It doesn't have performance issue.
Committer testing:
# getconf _NPROCESSORS_ONLN
4
# perf trace --no-inherit -e clone -o /tmp/output perf top
# tail -4 /tmp/bla
0.124 ( 0.041 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3eb3a8f30, parent_tidptr: 0x7fc3eb3a99d0, child_tidptr: 0x7fc3eb3a99d0, tls: 0x7fc3eb3a9700) = 9548 (perf)
0.246 ( 0.023 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3eaba7f30, parent_tidptr: 0x7fc3eaba89d0, child_tidptr: 0x7fc3eaba89d0, tls: 0x7fc3eaba8700) = 9549 (perf)
0.286 ( 0.019 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3ea3a6f30, parent_tidptr: 0x7fc3ea3a79d0, child_tidptr: 0x7fc3ea3a79d0, tls: 0x7fc3ea3a7700) = 9550 (perf)
246.540 ( 0.047 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3ea3a6f30, parent_tidptr: 0x7fc3ea3a79d0, child_tidptr: 0x7fc3ea3a79d0, tls: 0x7fc3ea3a7700) = 9551 (perf)
#
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1506696477-146932-4-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-09-29 14:47:54 +00:00
|
|
|
|
2018-11-05 12:24:55 +00:00
|
|
|
init_process_thread(top);
|
|
|
|
|
2019-05-22 05:32:50 +00:00
|
|
|
if (opts->record_namespaces)
|
|
|
|
top->tool.namespace_events = true;
|
2020-03-25 12:45:35 +00:00
|
|
|
if (opts->record_cgroup) {
|
|
|
|
#ifdef HAVE_FILE_HANDLE
|
|
|
|
top->tool.cgroup_events = true;
|
|
|
|
#else
|
|
|
|
pr_err("cgroup tracking is not supported.\n");
|
|
|
|
return -1;
|
|
|
|
#endif
|
|
|
|
}
|
2019-05-22 05:32:50 +00:00
|
|
|
|
2019-03-12 05:30:41 +00:00
|
|
|
ret = perf_event__synthesize_bpf_events(top->session, perf_event__process,
|
2019-01-17 16:15:20 +00:00
|
|
|
&top->session->machines.host,
|
|
|
|
&top->record_opts);
|
|
|
|
if (ret < 0)
|
2019-05-20 14:04:08 +00:00
|
|
|
pr_debug("Couldn't synthesize BPF events: Pre-existing BPF programs won't have symbols resolved.\n");
|
2019-01-17 16:15:20 +00:00
|
|
|
|
2020-03-25 12:45:35 +00:00
|
|
|
ret = perf_event__synthesize_cgroups(&top->tool, perf_event__process,
|
|
|
|
&top->session->machines.host);
|
|
|
|
if (ret < 0)
|
|
|
|
pr_debug("Couldn't synthesize cgroup events.\n");
|
|
|
|
|
2013-11-11 14:36:12 +00:00
|
|
|
machine__synthesize_threads(&top->session->machines.host, &opts->target,
|
2019-07-21 11:24:42 +00:00
|
|
|
top->evlist->core.threads, false,
|
perf top: Add option to set the number of thread for event synthesize
Using UINT_MAX to indicate the default thread#, which is the max number
of online CPU.
Committer testing:
# perf trace --no-inherit -e clone -o /tmp/output perf top --num-thread-synthesize 9
# cat /tmp/output
? ( ? ): ... [continued]: clone()) = 26651 (perf)
0.059 ( 0.010 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfac44f30, parent_tidptr: 0x7f5bfac459d0, child_tidptr: 0x7f5bfac459d0, tls: 0x7f5bfac45700) = 26652 (perf)
0.116 ( 0.014 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfa443f30, parent_tidptr: 0x7f5bfa4449d0, child_tidptr: 0x7f5bfa4449d0, tls: 0x7f5bfa444700) = 26653 (perf)
0.141 ( 0.009 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9c42f30, parent_tidptr: 0x7f5bf9c439d0, child_tidptr: 0x7f5bf9c439d0, tls: 0x7f5bf9c43700) = 26654 (perf)
0.160 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9441f30, parent_tidptr: 0x7f5bf94429d0, child_tidptr: 0x7f5bf94429d0, tls: 0x7f5bf9442700) = 26655 (perf)
0.232 ( 0.013 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf8c40f30, parent_tidptr: 0x7f5bf8c419d0, child_tidptr: 0x7f5bf8c419d0, tls: 0x7f5bf8c41700) = 26656 (perf)
0.393 ( 0.011 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be3ffef30, parent_tidptr: 0x7f5be3fff9d0, child_tidptr: 0x7f5be3fff9d0, tls: 0x7f5be3fff700) = 26657 (perf)
0.802 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be37fdf30, parent_tidptr: 0x7f5be37fe9d0, child_tidptr: 0x7f5be37fe9d0, tls: 0x7f5be37fe700) = 26658 (perf)
1.411 ( 0.022 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26659 (perf)
246.422 ( 0.042 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26660 (perf)
#
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1506696477-146932-5-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-09-29 14:47:55 +00:00
|
|
|
top->nr_threads_synthesize);
|
perf top: Implement multithreading for perf_event__synthesize_threads
The proc files which is sorted with alphabetical order are evenly
assigned to several synthesize threads to be processed in parallel.
For 'perf top', the threads number hard code to online CPU number. The
following patch will introduce an option to set it.
For other perf tools, the thread number is 1. Because the process
function is not ready for multithreading, e.g.
process_synthesized_event.
This patch series only support event synthesize multithreading for 'perf
top'. For other tools, it can be done separately later.
With multithread applied, the total processing time can get up to 1.56x
speedup on Knights Mill for 'perf top'.
For specific single event processing, the processing time could increase
because of the lock contention. So proc_map_timeout may need to be
increased. Otherwise some proc maps will be truncated.
Based on my test, increasing the proc_map_timeout has small impact
on the total processing time. The total processing time still get 1.49x
speedup on Knights Mill after increasing the proc_map_timeout.
The patch itself doesn't increase the proc_map_timeout.
Doesn't need to implement multithreading for per task monitoring,
perf_event__synthesize_thread_map. It doesn't have performance issue.
Committer testing:
# getconf _NPROCESSORS_ONLN
4
# perf trace --no-inherit -e clone -o /tmp/output perf top
# tail -4 /tmp/bla
0.124 ( 0.041 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3eb3a8f30, parent_tidptr: 0x7fc3eb3a99d0, child_tidptr: 0x7fc3eb3a99d0, tls: 0x7fc3eb3a9700) = 9548 (perf)
0.246 ( 0.023 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3eaba7f30, parent_tidptr: 0x7fc3eaba89d0, child_tidptr: 0x7fc3eaba89d0, tls: 0x7fc3eaba8700) = 9549 (perf)
0.286 ( 0.019 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3ea3a6f30, parent_tidptr: 0x7fc3ea3a79d0, child_tidptr: 0x7fc3ea3a79d0, tls: 0x7fc3ea3a7700) = 9550 (perf)
246.540 ( 0.047 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7fc3ea3a6f30, parent_tidptr: 0x7fc3ea3a79d0, child_tidptr: 0x7fc3ea3a79d0, tls: 0x7fc3ea3a7700) = 9551 (perf)
#
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1506696477-146932-4-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-09-29 14:47:54 +00:00
|
|
|
|
perf top: Add option to set the number of thread for event synthesize
Using UINT_MAX to indicate the default thread#, which is the max number
of online CPU.
Committer testing:
# perf trace --no-inherit -e clone -o /tmp/output perf top --num-thread-synthesize 9
# cat /tmp/output
? ( ? ): ... [continued]: clone()) = 26651 (perf)
0.059 ( 0.010 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfac44f30, parent_tidptr: 0x7f5bfac459d0, child_tidptr: 0x7f5bfac459d0, tls: 0x7f5bfac45700) = 26652 (perf)
0.116 ( 0.014 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfa443f30, parent_tidptr: 0x7f5bfa4449d0, child_tidptr: 0x7f5bfa4449d0, tls: 0x7f5bfa444700) = 26653 (perf)
0.141 ( 0.009 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9c42f30, parent_tidptr: 0x7f5bf9c439d0, child_tidptr: 0x7f5bf9c439d0, tls: 0x7f5bf9c43700) = 26654 (perf)
0.160 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9441f30, parent_tidptr: 0x7f5bf94429d0, child_tidptr: 0x7f5bf94429d0, tls: 0x7f5bf9442700) = 26655 (perf)
0.232 ( 0.013 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf8c40f30, parent_tidptr: 0x7f5bf8c419d0, child_tidptr: 0x7f5bf8c419d0, tls: 0x7f5bf8c41700) = 26656 (perf)
0.393 ( 0.011 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be3ffef30, parent_tidptr: 0x7f5be3fff9d0, child_tidptr: 0x7f5be3fff9d0, tls: 0x7f5be3fff700) = 26657 (perf)
0.802 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be37fdf30, parent_tidptr: 0x7f5be37fe9d0, child_tidptr: 0x7f5be37fe9d0, tls: 0x7f5be37fe700) = 26658 (perf)
1.411 ( 0.022 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26659 (perf)
246.422 ( 0.042 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26660 (perf)
#
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1506696477-146932-5-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-09-29 14:47:55 +00:00
|
|
|
if (top->nr_threads_synthesize > 1)
|
|
|
|
perf_set_singlethreaded();
|
2015-09-04 14:45:43 +00:00
|
|
|
|
2016-05-03 11:54:46 +00:00
|
|
|
if (perf_hpp_list.socket) {
|
2015-09-04 14:45:43 +00:00
|
|
|
ret = perf_env__read_cpu_topology_map(&perf_env);
|
2019-03-16 08:05:47 +00:00
|
|
|
if (ret < 0) {
|
|
|
|
char errbuf[BUFSIZ];
|
|
|
|
const char *err = str_error_r(-ret, errbuf, sizeof(errbuf));
|
|
|
|
|
|
|
|
ui__error("Could not read the CPU topology map: %s\n", err);
|
|
|
|
return ret;
|
|
|
|
}
|
2015-09-04 14:45:43 +00:00
|
|
|
}
|
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
ret = perf_top__start_counters(top);
|
|
|
|
if (ret)
|
2019-03-16 08:05:47 +00:00
|
|
|
return ret;
|
2013-01-30 16:25:53 +00:00
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
top->session->evlist = top->evlist;
|
2012-08-01 22:31:00 +00:00
|
|
|
perf_session__set_id_hdr_size(top->session);
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2012-12-11 19:48:41 +00:00
|
|
|
/*
|
|
|
|
* When perf is starting the traced process, all the events (apart from
|
|
|
|
* group members) have enable_on_exec=1 set, so don't spoil it by
|
|
|
|
* prematurely enabling them.
|
|
|
|
*
|
|
|
|
* XXX 'top' still doesn't start workloads like record, trace, but should,
|
|
|
|
* so leave the check here.
|
|
|
|
*/
|
2013-11-12 19:46:16 +00:00
|
|
|
if (!target__none(&opts->target))
|
2019-07-21 11:24:08 +00:00
|
|
|
evlist__enable(top->evlist);
|
2012-12-11 19:48:41 +00:00
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
ret = -1;
|
2018-11-05 12:24:55 +00:00
|
|
|
if (pthread_create(&thread_process, NULL, process_thread, top)) {
|
|
|
|
ui__error("Could not create process thread.\n");
|
2019-03-16 08:05:47 +00:00
|
|
|
return ret;
|
2018-11-05 12:24:55 +00:00
|
|
|
}
|
|
|
|
|
2011-01-31 20:19:33 +00:00
|
|
|
if (pthread_create(&thread, NULL, (use_browser > 0 ? display_thread_tui :
|
2011-11-28 11:37:05 +00:00
|
|
|
display_thread), top)) {
|
2012-05-29 04:22:57 +00:00
|
|
|
ui__error("Could not create display thread.\n");
|
2018-11-05 12:24:55 +00:00
|
|
|
goto out_join_thread;
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
if (top->realtime_prio) {
|
2009-04-20 13:00:56 +00:00
|
|
|
struct sched_param param;
|
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
param.sched_priority = top->realtime_prio;
|
2009-04-20 13:00:56 +00:00
|
|
|
if (sched_setscheduler(0, SCHED_FIFO, ¶m)) {
|
2012-05-29 04:22:57 +00:00
|
|
|
ui__error("Could not set realtime priority.\n");
|
2014-08-11 08:50:05 +00:00
|
|
|
goto out_join;
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2018-10-31 05:30:03 +00:00
|
|
|
/* Wait for a minimal set of events before starting the snapshot */
|
2019-08-31 20:48:33 +00:00
|
|
|
evlist__poll(top->evlist, 100);
|
2018-10-31 05:30:03 +00:00
|
|
|
|
|
|
|
perf_top__mmap_read(top);
|
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
while (!done) {
|
2011-11-28 11:37:05 +00:00
|
|
|
u64 hits = top->samples;
|
2009-04-20 13:00:56 +00:00
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__mmap_read(top);
|
2009-04-20 13:00:56 +00:00
|
|
|
|
perf top: Switch default mode to overwrite mode
perf_top__mmap_read() has a severe performance issue in the Knights
Landing/Mill platform, when monitoring heavy load systems. It costs
several minutes to finish, which is unacceptable.
Currently, 'perf top' uses the non overwrite mode. For non overwrite
mode, it tries to read everything in the ringbuffer and doesn't pause
it. Once there are lots of samples delivered persistently, the
processing time could be very long. Also, the latest samples could be
lost when the ringbuffer is full.
For overwrite mode, it takes a snapshot for the system by pausing the
ringbuffer, which could significantly reduce the processing time. Also,
the overwrite mode always keep the latest samples. Considering the real
time requirement for 'perf top', the overwrite mode is more suitable for
it.
Actually, 'perf top' was overwrite mode. It is changed to non overwrite
mode since commit 93fc64f14472 ("perf top: Switch to non overwrite
mode"). It's better to change it back to overwrite mode by default.
For the kernel which doesn't support overwrite mode, it will fall back
to non overwrite mode.
There would be some records lost in overwrite mode because of pausing
the ringbuffer. It has little impact for the accuracy of the snapshot
and can be tolerated.
For overwrite mode, unconditionally wait 100 ms before each snapshot. It
also reduces the overhead caused by pausing ringbuffer, especially on
light load system.
Signed-off-by: Kan Liang <kan.liang@intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1516310792-208685-17-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2018-01-18 21:26:31 +00:00
|
|
|
if (opts->overwrite || (hits == top->samples))
|
2019-08-31 20:48:33 +00:00
|
|
|
ret = evlist__poll(top->evlist, 100);
|
2017-11-14 09:23:39 +00:00
|
|
|
|
|
|
|
if (resize) {
|
|
|
|
perf_top__resize(top);
|
|
|
|
resize = 0;
|
|
|
|
}
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
|
|
|
|
2013-01-30 16:25:53 +00:00
|
|
|
ret = 0;
|
2014-08-11 08:50:05 +00:00
|
|
|
out_join:
|
|
|
|
pthread_join(thread, NULL);
|
2018-11-05 12:24:55 +00:00
|
|
|
out_join_thread:
|
2018-11-05 20:23:40 +00:00
|
|
|
pthread_cond_signal(&top->qe.cond);
|
2018-11-05 12:24:55 +00:00
|
|
|
pthread_join(thread_process, NULL);
|
2013-01-30 16:25:53 +00:00
|
|
|
return ret;
|
2011-10-05 22:30:22 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
static int
|
2013-10-26 14:25:34 +00:00
|
|
|
callchain_opt(const struct option *opt, const char *arg, int unset)
|
2011-10-05 22:30:22 +00:00
|
|
|
{
|
|
|
|
symbol_conf.use_callchain = true;
|
2013-10-26 14:25:34 +00:00
|
|
|
return record_callchain_opt(opt, arg, unset);
|
|
|
|
}
|
2011-10-05 22:30:22 +00:00
|
|
|
|
2013-10-26 14:25:34 +00:00
|
|
|
static int
|
|
|
|
parse_callchain_opt(const struct option *opt, const char *arg, int unset)
|
|
|
|
{
|
2016-04-18 15:09:08 +00:00
|
|
|
struct callchain_param *callchain = opt->value;
|
perf top: Support call-graph display options also
Currently 'perf top --call-graph' option is same as 'perf record'. But
'perf top' also need to receive display options in 'perf report'. To do
that, change parse_callchain_report_opt() to allow record options too.
Now perf top can receive display options like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph
<mode[,dump_size],output_type,min_percent[,print_limit],call_order[,branch]>
setup and enables call-graph (stack chain/backtrace)
recording: fp dwarf lbr, output_type (graph, flat,
fractal, or none), min percent threshold, optional
print limit, callchain order, key (function or
address), add branches
$ perf top --call-graph callee,graph,fp
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445495330-25416-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 06:28:49 +00:00
|
|
|
|
2016-04-18 15:09:08 +00:00
|
|
|
callchain->enabled = !unset;
|
|
|
|
callchain->record_mode = CALLCHAIN_FP;
|
perf top: Support call-graph display options also
Currently 'perf top --call-graph' option is same as 'perf record'. But
'perf top' also need to receive display options in 'perf report'. To do
that, change parse_callchain_report_opt() to allow record options too.
Now perf top can receive display options like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph
<mode[,dump_size],output_type,min_percent[,print_limit],call_order[,branch]>
setup and enables call-graph (stack chain/backtrace)
recording: fp dwarf lbr, output_type (graph, flat,
fractal, or none), min percent threshold, optional
print limit, callchain order, key (function or
address), add branches
$ perf top --call-graph callee,graph,fp
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445495330-25416-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 06:28:49 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* --no-call-graph
|
|
|
|
*/
|
|
|
|
if (unset) {
|
|
|
|
symbol_conf.use_callchain = false;
|
2016-04-18 15:09:08 +00:00
|
|
|
callchain->record_mode = CALLCHAIN_NONE;
|
perf top: Support call-graph display options also
Currently 'perf top --call-graph' option is same as 'perf record'. But
'perf top' also need to receive display options in 'perf report'. To do
that, change parse_callchain_report_opt() to allow record options too.
Now perf top can receive display options like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph
<mode[,dump_size],output_type,min_percent[,print_limit],call_order[,branch]>
setup and enables call-graph (stack chain/backtrace)
recording: fp dwarf lbr, output_type (graph, flat,
fractal, or none), min percent threshold, optional
print limit, callchain order, key (function or
address), add branches
$ perf top --call-graph callee,graph,fp
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445495330-25416-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 06:28:49 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
return parse_callchain_top_opt(arg);
|
2009-04-20 13:00:56 +00:00
|
|
|
}
|
2009-05-26 07:17:18 +00:00
|
|
|
|
2016-02-26 09:31:51 +00:00
|
|
|
static int perf_top_config(const char *var, const char *value, void *cb __maybe_unused)
|
2014-02-03 11:44:42 +00:00
|
|
|
{
|
2018-03-12 11:25:56 +00:00
|
|
|
if (!strcmp(var, "top.call-graph")) {
|
|
|
|
var = "call-graph.record-mode";
|
|
|
|
return perf_default_config(var, value, cb);
|
|
|
|
}
|
2013-01-22 09:09:46 +00:00
|
|
|
if (!strcmp(var, "top.children")) {
|
|
|
|
symbol_conf.cumulate_callchain = perf_config_bool(var, value);
|
|
|
|
return 0;
|
|
|
|
}
|
2014-02-03 11:44:42 +00:00
|
|
|
|
2016-02-26 09:31:51 +00:00
|
|
|
return 0;
|
2014-02-03 11:44:42 +00:00
|
|
|
}
|
|
|
|
|
2013-05-14 02:09:05 +00:00
|
|
|
static int
|
|
|
|
parse_percent_limit(const struct option *opt, const char *arg,
|
|
|
|
int unset __maybe_unused)
|
|
|
|
{
|
|
|
|
struct perf_top *top = opt->value;
|
|
|
|
|
|
|
|
top->min_percent = strtof(arg, NULL);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
perf tools: Improve call graph documents and help messages
The --call-graph option is complex so we should provide better guide for
users. Also change help message to be consistent with config option
names. Now perf top will show help like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph <record_mode[,record_size],print_type,threshold[,print_limit],order,sort_key[,branch]>
setup and enables call-graph (stack chain/backtrace):
record_mode: call graph recording mode (fp|dwarf|lbr)
record_size: if record_mode is 'dwarf', max size of stack recording (<bytes>)
default: 8192 (bytes)
print_type: call graph printing style (graph|flat|fractal|none)
threshold: minimum call graph inclusion threshold (<percent>)
print_limit: maximum number of call graph entry (<number>)
order: call graph order (caller|callee)
sort_key: call graph sort key (function|address)
branch: include last branch info to call graph (branch)
Default: fp,graph,0.5,caller,function
Requested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445524112-5201-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 14:28:32 +00:00
|
|
|
const char top_callchain_help[] = CALLCHAIN_RECORD_HELP CALLCHAIN_REPORT_HELP
|
|
|
|
"\n\t\t\t\tDefault: fp,graph,0.5,caller,function";
|
perf top: Support call-graph display options also
Currently 'perf top --call-graph' option is same as 'perf record'. But
'perf top' also need to receive display options in 'perf report'. To do
that, change parse_callchain_report_opt() to allow record options too.
Now perf top can receive display options like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph
<mode[,dump_size],output_type,min_percent[,print_limit],call_order[,branch]>
setup and enables call-graph (stack chain/backtrace)
recording: fp dwarf lbr, output_type (graph, flat,
fractal, or none), min percent threshold, optional
print limit, callchain order, key (function or
address), add branches
$ perf top --call-graph callee,graph,fp
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445495330-25416-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 06:28:49 +00:00
|
|
|
|
2017-03-27 14:47:20 +00:00
|
|
|
int cmd_top(int argc, const char **argv)
|
2011-11-28 11:37:05 +00:00
|
|
|
{
|
2012-05-07 05:09:02 +00:00
|
|
|
char errbuf[BUFSIZ];
|
2011-11-28 11:37:05 +00:00
|
|
|
struct perf_top top = {
|
|
|
|
.count_filter = 5,
|
|
|
|
.delay_secs = 2,
|
2012-12-11 19:48:41 +00:00
|
|
|
.record_opts = {
|
|
|
|
.mmap_pages = UINT_MAX,
|
|
|
|
.user_freq = UINT_MAX,
|
|
|
|
.user_interval = ULLONG_MAX,
|
|
|
|
.freq = 4000, /* 4 KHz */
|
2013-10-18 14:38:49 +00:00
|
|
|
.target = {
|
2012-12-11 19:48:41 +00:00
|
|
|
.uses_mmap = true,
|
|
|
|
},
|
2018-10-29 12:47:00 +00:00
|
|
|
/*
|
|
|
|
* FIXME: This will lose PERF_RECORD_MMAP and other metadata
|
|
|
|
* when we pause, fix that and reenable. Probably using a
|
|
|
|
* separate evlist with a dummy event, i.e. a non-overwrite
|
|
|
|
* ring buffer just for metadata events, while PERF_RECORD_SAMPLE
|
|
|
|
* stays in overwrite mode. -acme
|
|
|
|
* */
|
|
|
|
.overwrite = 0,
|
2018-11-05 12:24:55 +00:00
|
|
|
.sample_time = true,
|
2019-04-15 12:53:33 +00:00
|
|
|
.sample_time_set = true,
|
2012-05-16 09:45:49 +00:00
|
|
|
},
|
2018-05-17 19:31:32 +00:00
|
|
|
.max_stack = sysctl__max_stack(),
|
2018-05-25 20:28:37 +00:00
|
|
|
.annotation_opts = annotation__default_options,
|
perf top: Add option to set the number of thread for event synthesize
Using UINT_MAX to indicate the default thread#, which is the max number
of online CPU.
Committer testing:
# perf trace --no-inherit -e clone -o /tmp/output perf top --num-thread-synthesize 9
# cat /tmp/output
? ( ? ): ... [continued]: clone()) = 26651 (perf)
0.059 ( 0.010 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfac44f30, parent_tidptr: 0x7f5bfac459d0, child_tidptr: 0x7f5bfac459d0, tls: 0x7f5bfac45700) = 26652 (perf)
0.116 ( 0.014 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfa443f30, parent_tidptr: 0x7f5bfa4449d0, child_tidptr: 0x7f5bfa4449d0, tls: 0x7f5bfa444700) = 26653 (perf)
0.141 ( 0.009 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9c42f30, parent_tidptr: 0x7f5bf9c439d0, child_tidptr: 0x7f5bf9c439d0, tls: 0x7f5bf9c43700) = 26654 (perf)
0.160 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9441f30, parent_tidptr: 0x7f5bf94429d0, child_tidptr: 0x7f5bf94429d0, tls: 0x7f5bf9442700) = 26655 (perf)
0.232 ( 0.013 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf8c40f30, parent_tidptr: 0x7f5bf8c419d0, child_tidptr: 0x7f5bf8c419d0, tls: 0x7f5bf8c41700) = 26656 (perf)
0.393 ( 0.011 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be3ffef30, parent_tidptr: 0x7f5be3fff9d0, child_tidptr: 0x7f5be3fff9d0, tls: 0x7f5be3fff700) = 26657 (perf)
0.802 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be37fdf30, parent_tidptr: 0x7f5be37fe9d0, child_tidptr: 0x7f5be37fe9d0, tls: 0x7f5be37fe700) = 26658 (perf)
1.411 ( 0.022 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26659 (perf)
246.422 ( 0.042 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26660 (perf)
#
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1506696477-146932-5-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-09-29 14:47:55 +00:00
|
|
|
.nr_threads_synthesize = UINT_MAX,
|
2011-11-28 11:37:05 +00:00
|
|
|
};
|
2013-12-19 17:43:45 +00:00
|
|
|
struct record_opts *opts = &top.record_opts;
|
2013-11-12 19:46:16 +00:00
|
|
|
struct target *target = &opts->target;
|
2011-11-28 11:37:05 +00:00
|
|
|
const struct option options[] = {
|
2011-01-31 16:50:39 +00:00
|
|
|
OPT_CALLBACK('e', "event", &top.evlist, "event",
|
2009-06-06 10:24:17 +00:00
|
|
|
"event selector. use 'perf list' to list available events",
|
2011-07-14 09:25:32 +00:00
|
|
|
parse_events_option),
|
2012-12-11 19:48:41 +00:00
|
|
|
OPT_U64('c', "count", &opts->user_interval, "event period to sample"),
|
|
|
|
OPT_STRING('p', "pid", &target->pid, "pid",
|
2010-03-18 14:36:05 +00:00
|
|
|
"profile events on existing process id"),
|
2012-12-11 19:48:41 +00:00
|
|
|
OPT_STRING('t', "tid", &target->tid, "tid",
|
2010-03-18 14:36:05 +00:00
|
|
|
"profile events on existing thread id"),
|
2012-12-11 19:48:41 +00:00
|
|
|
OPT_BOOLEAN('a', "all-cpus", &target->system_wide,
|
2009-05-26 07:17:18 +00:00
|
|
|
"system-wide collection from all CPUs"),
|
2012-12-11 19:48:41 +00:00
|
|
|
OPT_STRING('C', "cpu", &target->cpu_list, "cpu",
|
2010-05-28 10:00:01 +00:00
|
|
|
"list of cpus to monitor"),
|
2009-11-24 14:05:15 +00:00
|
|
|
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
|
|
|
|
"file", "vmlinux pathname"),
|
2013-09-14 08:32:59 +00:00
|
|
|
OPT_BOOLEAN(0, "ignore-vmlinux", &symbol_conf.ignore_vmlinux,
|
|
|
|
"don't load vmlinux even if found"),
|
2018-11-27 13:31:03 +00:00
|
|
|
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
|
|
|
|
"file", "kallsyms pathname"),
|
2011-01-31 16:50:39 +00:00
|
|
|
OPT_BOOLEAN('K', "hide_kernel_symbols", &top.hide_kernel_symbols,
|
2009-11-16 23:45:24 +00:00
|
|
|
"hide kernel symbols"),
|
2013-09-01 10:36:12 +00:00
|
|
|
OPT_CALLBACK('m', "mmap-pages", &opts->mmap_pages, "pages",
|
2020-11-30 18:09:45 +00:00
|
|
|
"number of mmap data pages", evlist__parse_mmap_pages),
|
2011-11-28 11:37:05 +00:00
|
|
|
OPT_INTEGER('r', "realtime", &top.realtime_prio,
|
2009-05-26 07:17:18 +00:00
|
|
|
"collect data with this RT SCHED_FIFO priority"),
|
2011-01-31 16:50:39 +00:00
|
|
|
OPT_INTEGER('d', "delay", &top.delay_secs,
|
2009-05-26 07:17:18 +00:00
|
|
|
"number of seconds to delay between refreshes"),
|
2011-11-28 11:37:05 +00:00
|
|
|
OPT_BOOLEAN('D', "dump-symtab", &top.dump_symtab,
|
2009-05-26 07:17:18 +00:00
|
|
|
"dump the symbol table used for profiling"),
|
2011-01-31 16:50:39 +00:00
|
|
|
OPT_INTEGER('f', "count-filter", &top.count_filter,
|
2009-05-26 07:17:18 +00:00
|
|
|
"only display functions with more events than this"),
|
2013-11-15 03:51:30 +00:00
|
|
|
OPT_BOOLEAN(0, "group", &opts->group,
|
2009-05-26 07:17:18 +00:00
|
|
|
"put the counters into a counter group"),
|
2012-12-11 19:48:41 +00:00
|
|
|
OPT_BOOLEAN('i', "no-inherit", &opts->no_inherit,
|
|
|
|
"child tasks do not inherit counters"),
|
2011-11-28 11:37:05 +00:00
|
|
|
OPT_STRING(0, "sym-annotate", &top.sym_filter, "symbol name",
|
2010-02-03 18:52:08 +00:00
|
|
|
"symbol to annotate"),
|
2012-12-11 19:48:41 +00:00
|
|
|
OPT_BOOLEAN('z', "zero", &top.zero, "zero history across updates"),
|
2018-03-01 17:25:56 +00:00
|
|
|
OPT_CALLBACK('F', "freq", &top.record_opts, "freq or 'max'",
|
|
|
|
"profile at this frequency",
|
|
|
|
record__parse_freq),
|
2011-01-31 16:50:39 +00:00
|
|
|
OPT_INTEGER('E', "entries", &top.print_entries,
|
2009-06-04 06:53:05 +00:00
|
|
|
"display this many functions"),
|
2011-01-31 16:50:39 +00:00
|
|
|
OPT_BOOLEAN('U', "hide_user_symbols", &top.hide_user_symbols,
|
2009-11-16 23:45:24 +00:00
|
|
|
"hide user symbols"),
|
2011-11-28 11:37:05 +00:00
|
|
|
OPT_BOOLEAN(0, "tui", &top.use_tui, "Use the TUI interface"),
|
|
|
|
OPT_BOOLEAN(0, "stdio", &top.use_stdio, "Use the stdio interface"),
|
2010-04-13 08:37:33 +00:00
|
|
|
OPT_INCR('v', "verbose", &verbose,
|
2009-06-07 15:39:02 +00:00
|
|
|
"be more verbose (show counter open errors, etc)"),
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
|
2014-03-04 00:06:42 +00:00
|
|
|
"sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
|
|
|
|
" Please refer the man page for the complete list."),
|
2014-03-04 02:01:41 +00:00
|
|
|
OPT_STRING(0, "fields", &field_order, "key[,keys...]",
|
|
|
|
"output field(s): overhead, period, sample plus all of sort keys"),
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
|
|
|
|
"Show a column with the number of samples"),
|
2016-04-18 15:09:08 +00:00
|
|
|
OPT_CALLBACK_NOOPT('g', NULL, &callchain_param,
|
perf top: Support call-graph display options also
Currently 'perf top --call-graph' option is same as 'perf record'. But
'perf top' also need to receive display options in 'perf report'. To do
that, change parse_callchain_report_opt() to allow record options too.
Now perf top can receive display options like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph
<mode[,dump_size],output_type,min_percent[,print_limit],call_order[,branch]>
setup and enables call-graph (stack chain/backtrace)
recording: fp dwarf lbr, output_type (graph, flat,
fractal, or none), min percent threshold, optional
print limit, callchain order, key (function or
address), add branches
$ perf top --call-graph callee,graph,fp
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445495330-25416-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 06:28:49 +00:00
|
|
|
NULL, "enables call-graph recording and display",
|
2013-10-26 14:25:34 +00:00
|
|
|
&callchain_opt),
|
2016-04-18 15:09:08 +00:00
|
|
|
OPT_CALLBACK(0, "call-graph", &callchain_param,
|
perf tools: Improve call graph documents and help messages
The --call-graph option is complex so we should provide better guide for
users. Also change help message to be consistent with config option
names. Now perf top will show help like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph <record_mode[,record_size],print_type,threshold[,print_limit],order,sort_key[,branch]>
setup and enables call-graph (stack chain/backtrace):
record_mode: call graph recording mode (fp|dwarf|lbr)
record_size: if record_mode is 'dwarf', max size of stack recording (<bytes>)
default: 8192 (bytes)
print_type: call graph printing style (graph|flat|fractal|none)
threshold: minimum call graph inclusion threshold (<percent>)
print_limit: maximum number of call graph entry (<number>)
order: call graph order (caller|callee)
sort_key: call graph sort key (function|address)
branch: include last branch info to call graph (branch)
Default: fp,graph,0.5,caller,function
Requested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445524112-5201-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 14:28:32 +00:00
|
|
|
"record_mode[,record_size],print_type,threshold[,print_limit],order,sort_key[,branch]",
|
perf top: Support call-graph display options also
Currently 'perf top --call-graph' option is same as 'perf record'. But
'perf top' also need to receive display options in 'perf report'. To do
that, change parse_callchain_report_opt() to allow record options too.
Now perf top can receive display options like below:
$ perf top --call-graph
Error: option `call-graph' requires a value
Usage: perf top [<options>]
--call-graph
<mode[,dump_size],output_type,min_percent[,print_limit],call_order[,branch]>
setup and enables call-graph (stack chain/backtrace)
recording: fp dwarf lbr, output_type (graph, flat,
fractal, or none), min percent threshold, optional
print limit, callchain order, key (function or
address), add branches
$ perf top --call-graph callee,graph,fp
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1445495330-25416-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-10-22 06:28:49 +00:00
|
|
|
top_callchain_help, &parse_callchain_opt),
|
2013-10-30 08:05:55 +00:00
|
|
|
OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
|
|
|
|
"Accumulate callchains of children and show total overhead as well"),
|
2013-10-18 14:38:49 +00:00
|
|
|
OPT_INTEGER(0, "max-stack", &top.max_stack,
|
|
|
|
"Set the maximum stack depth when parsing the callchain. "
|
2016-04-27 13:16:24 +00:00
|
|
|
"Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
|
2012-12-07 05:48:05 +00:00
|
|
|
OPT_CALLBACK(0, "ignore-callees", NULL, "regex",
|
|
|
|
"ignore callees of these functions in call graphs",
|
|
|
|
report_parse_ignore_callees_opt),
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period,
|
|
|
|
"Show a column with the sum of periods"),
|
|
|
|
OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
|
|
|
|
"only consider symbols in these dsos"),
|
|
|
|
OPT_STRING(0, "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
|
|
|
|
"only consider symbols in these comms"),
|
|
|
|
OPT_STRING(0, "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
|
|
|
|
"only consider these symbols"),
|
2018-05-28 14:42:59 +00:00
|
|
|
OPT_BOOLEAN(0, "source", &top.annotation_opts.annotate_src,
|
2011-10-06 15:48:31 +00:00
|
|
|
"Interleave source code with assembly code (default)"),
|
2018-05-28 14:42:59 +00:00
|
|
|
OPT_BOOLEAN(0, "asm-raw", &top.annotation_opts.show_asm_raw,
|
2011-10-06 15:48:31 +00:00
|
|
|
"Display raw encoding of assembly instructions (default)"),
|
2014-09-13 04:15:05 +00:00
|
|
|
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
|
|
|
|
"Enable kernel symbol demangling"),
|
2019-03-12 05:30:46 +00:00
|
|
|
OPT_BOOLEAN(0, "no-bpf-event", &top.record_opts.no_bpf_event, "do not record bpf events"),
|
2018-05-28 17:24:45 +00:00
|
|
|
OPT_STRING(0, "objdump", &top.annotation_opts.objdump_path, "path",
|
2013-05-15 05:56:51 +00:00
|
|
|
"objdump binary to use for disassembly and annotations"),
|
2018-05-28 14:50:21 +00:00
|
|
|
OPT_STRING('M', "disassembler-style", &top.annotation_opts.disassembler_style, "disassembler style",
|
2011-10-06 15:48:31 +00:00
|
|
|
"Specify disassembler style (e.g. -M intel for intel syntax)"),
|
2020-01-07 21:04:44 +00:00
|
|
|
OPT_STRING(0, "prefix", &top.annotation_opts.prefix, "prefix",
|
|
|
|
"Add prefix to source file path names in programs (with --prefix-strip)"),
|
|
|
|
OPT_STRING(0, "prefix-strip", &top.annotation_opts.prefix_strip, "N",
|
|
|
|
"Strip first N entries of source file path name in programs (with --prefix)"),
|
2012-12-11 19:48:41 +00:00
|
|
|
OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"),
|
2013-05-14 02:09:05 +00:00
|
|
|
OPT_CALLBACK(0, "percent-limit", &top, "percent",
|
|
|
|
"Don't show entries under that percent", parse_percent_limit),
|
2014-02-07 03:06:07 +00:00
|
|
|
OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
|
|
|
|
"How to display percentage of filtered entries", parse_filter_percentage),
|
2014-07-31 05:47:39 +00:00
|
|
|
OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
|
|
|
|
"width[,width...]",
|
|
|
|
"don't try to adjust column width, use these fixed values"),
|
2018-12-04 20:34:20 +00:00
|
|
|
OPT_UINTEGER(0, "proc-map-timeout", &proc_map_timeout,
|
2015-06-17 13:51:11 +00:00
|
|
|
"per thread proc mmap processing timeout in ms"),
|
2015-07-18 15:24:52 +00:00
|
|
|
OPT_CALLBACK_NOOPT('b', "branch-any", &opts->branch_stack,
|
|
|
|
"branch any", "sample any taken branches",
|
|
|
|
parse_branch_stack),
|
|
|
|
OPT_CALLBACK('j', "branch-filter", &opts->branch_stack,
|
|
|
|
"branch filter mask", "branch stack filter modes",
|
|
|
|
parse_branch_stack),
|
2015-12-22 17:07:05 +00:00
|
|
|
OPT_BOOLEAN(0, "raw-trace", &symbol_conf.raw_trace,
|
|
|
|
"Show raw trace event output (do not use print fmt or plugins)"),
|
2016-02-24 15:13:50 +00:00
|
|
|
OPT_BOOLEAN(0, "hierarchy", &symbol_conf.report_hierarchy,
|
|
|
|
"Show entries in a hierarchy"),
|
2018-10-26 18:55:23 +00:00
|
|
|
OPT_BOOLEAN(0, "overwrite", &top.record_opts.overwrite,
|
2018-10-29 12:47:00 +00:00
|
|
|
"Use a backward ring buffer, default: no"),
|
2017-07-06 01:48:12 +00:00
|
|
|
OPT_BOOLEAN(0, "force", &symbol_conf.force, "don't complain, do it"),
|
perf top: Add option to set the number of thread for event synthesize
Using UINT_MAX to indicate the default thread#, which is the max number
of online CPU.
Committer testing:
# perf trace --no-inherit -e clone -o /tmp/output perf top --num-thread-synthesize 9
# cat /tmp/output
? ( ? ): ... [continued]: clone()) = 26651 (perf)
0.059 ( 0.010 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfac44f30, parent_tidptr: 0x7f5bfac459d0, child_tidptr: 0x7f5bfac459d0, tls: 0x7f5bfac45700) = 26652 (perf)
0.116 ( 0.014 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bfa443f30, parent_tidptr: 0x7f5bfa4449d0, child_tidptr: 0x7f5bfa4449d0, tls: 0x7f5bfa444700) = 26653 (perf)
0.141 ( 0.009 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9c42f30, parent_tidptr: 0x7f5bf9c439d0, child_tidptr: 0x7f5bf9c439d0, tls: 0x7f5bf9c43700) = 26654 (perf)
0.160 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf9441f30, parent_tidptr: 0x7f5bf94429d0, child_tidptr: 0x7f5bf94429d0, tls: 0x7f5bf9442700) = 26655 (perf)
0.232 ( 0.013 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5bf8c40f30, parent_tidptr: 0x7f5bf8c419d0, child_tidptr: 0x7f5bf8c419d0, tls: 0x7f5bf8c41700) = 26656 (perf)
0.393 ( 0.011 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be3ffef30, parent_tidptr: 0x7f5be3fff9d0, child_tidptr: 0x7f5be3fff9d0, tls: 0x7f5be3fff700) = 26657 (perf)
0.802 ( 0.012 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be37fdf30, parent_tidptr: 0x7f5be37fe9d0, child_tidptr: 0x7f5be37fe9d0, tls: 0x7f5be37fe700) = 26658 (perf)
1.411 ( 0.022 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26659 (perf)
246.422 ( 0.042 ms): clone(flags: VM|FS|FILES|SIGHAND|THREAD|SYSVSEM|SETTLS|PARENT_SETTID|CHILD_CLEARTID, child_stack: 0x7f5be2ffcf30, parent_tidptr: 0x7f5be2ffd9d0, child_tidptr: 0x7f5be2ffd9d0, tls: 0x7f5be2ffd700) = 26660 (perf)
#
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Lukasz Odzioba <lukasz.odzioba@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1506696477-146932-5-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-09-29 14:47:55 +00:00
|
|
|
OPT_UINTEGER(0, "num-thread-synthesize", &top.nr_threads_synthesize,
|
|
|
|
"number of thread to run event synthesize"),
|
2019-05-22 05:32:50 +00:00
|
|
|
OPT_BOOLEAN(0, "namespaces", &opts->record_namespaces,
|
|
|
|
"Record namespaces events"),
|
2020-03-25 12:45:35 +00:00
|
|
|
OPT_BOOLEAN(0, "all-cgroups", &opts->record_cgroup,
|
|
|
|
"Record cgroup events"),
|
2020-03-24 22:07:10 +00:00
|
|
|
OPT_INTEGER(0, "group-sort-idx", &symbol_conf.group_sort_idx,
|
|
|
|
"Sort the output by the event at the index n in group. "
|
|
|
|
"If n is invalid, sort by the first event. "
|
|
|
|
"WARNING: should be used on grouped events."),
|
2020-03-19 20:25:15 +00:00
|
|
|
OPT_BOOLEAN(0, "stitch-lbr", &top.stitch_lbr,
|
|
|
|
"Enable LBR callgraph stitching approach"),
|
2020-05-05 18:29:43 +00:00
|
|
|
#ifdef HAVE_LIBPFM
|
|
|
|
OPT_CALLBACK(0, "pfm-events", &top.evlist, "event",
|
|
|
|
"libpfm4 event selector. use 'perf list' to list available events",
|
|
|
|
parse_libpfm_events_option),
|
|
|
|
#endif
|
perf top: Add --switch-on/--switch-off events
Just like 'perf trace' and 'perf script', should be useful for instance
to only consider samples after the initialization phase of some
workload.
The man page has some examples and considerations about its current
interface, that still doesn't handle the on/off events in a special way,
behaving just like when multiple events are specified, i.e.:
- In non-group mode (when the event list is not enclosed in {}) show a
a menu to allow choosing which event the user wants to see in the
histograms browser
- In group mode, be it using {} or asking for --group, show one column
per event.
Try for instance:
# perf top -e '{cycles,instructions,probe:icmp_rcv}' --switch-on=probe:icmp_rcv
Replace probe:icmp_rcv, that I put in place using:
# perf probe icmp_rcv:59
To hit when broadcast packets arrive, with a probe installed after an
initialization phase is over or after some other point of interest, some
garbage collection, etc, and also use --switch-off, for instance, on a
probe installed after said garbage collection is over.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Link: https://lkml.kernel.org/n/tip-c7q7qjeqtyvc9mkeipxza6ne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-15 19:03:26 +00:00
|
|
|
OPTS_EVSWITCH(&top.evswitch),
|
2009-05-26 07:17:18 +00:00
|
|
|
OPT_END()
|
2011-11-28 11:37:05 +00:00
|
|
|
};
|
2012-10-01 18:20:58 +00:00
|
|
|
const char * const top_usage[] = {
|
|
|
|
"perf top [<options>]",
|
|
|
|
NULL
|
|
|
|
};
|
2014-10-09 19:16:00 +00:00
|
|
|
int status = hists__init();
|
|
|
|
|
|
|
|
if (status < 0)
|
|
|
|
return status;
|
2009-05-26 07:17:18 +00:00
|
|
|
|
2018-05-25 20:28:37 +00:00
|
|
|
top.annotation_opts.min_pcnt = 5;
|
|
|
|
top.annotation_opts.context = 4;
|
|
|
|
|
2019-07-21 11:23:55 +00:00
|
|
|
top.evlist = evlist__new();
|
2011-01-31 16:50:39 +00:00
|
|
|
if (top.evlist == NULL)
|
2011-01-11 22:56:53 +00:00
|
|
|
return -ENOMEM;
|
|
|
|
|
2017-01-24 16:44:10 +00:00
|
|
|
status = perf_config(perf_top_config, &top);
|
|
|
|
if (status)
|
|
|
|
return status;
|
2019-09-30 14:53:00 +00:00
|
|
|
/*
|
|
|
|
* Since the per arch annotation init routine may need the cpuid, read
|
|
|
|
* it here, since we are not getting this from the perf.data header.
|
|
|
|
*/
|
|
|
|
status = perf_env__read_cpuid(&perf_env);
|
|
|
|
if (status) {
|
perf top: Do not bail out when perf_env__read_cpuid() returns ENOSYS
'perf top' stopped working on hw architectures that do not provide a
get_cpuid() implementation and thus fallback to the weak get_cpuid()
default function.
This is done because at annotation time we may need it in the arch
specific annotation init routine, but that is only being used by arches
that do provide a get_cpuid() implementation:
$ find tools/ -name "*.[ch]" | xargs grep 'evlist->env'
tools/perf/builtin-top.c: top.evlist->env = &perf_env;
tools/perf/util/evsel.c: return evsel->evlist->env;
tools/perf/util/s390-cpumsf.c: sf->machine_type = s390_cpumsf_get_type(session->evlist->env->cpuid);
tools/perf/util/header.c: session->evlist->env = &header->env;
tools/perf/util/sample-raw.c: const char *arch_pf = perf_env__arch(evlist->env);
$
$ find tools/perf/arch -name "*.[ch]" | xargs grep -w get_cpuid
tools/perf/arch/x86/util/auxtrace.c: ret = get_cpuid(buffer, sizeof(buffer));
tools/perf/arch/x86/util/header.c:get_cpuid(char *buffer, size_t sz)
tools/perf/arch/powerpc/util/header.c:get_cpuid(char *buffer, size_t sz)
tools/perf/arch/s390/util/header.c: * Implementation of get_cpuid().
tools/perf/arch/s390/util/header.c:int get_cpuid(char *buffer, size_t sz)
tools/perf/arch/s390/util/header.c: if (buf && get_cpuid(buf, 128))
$
For 'report' or 'script', i.e. tools working on perf.data files, that is
setup while reading the header, its just top that needs to explicitely
read it at tool start.
Fixes: 608127f73779 ("perf top: Initialize perf_env->cpuid, needed by the per arch annotation init routine")
Reported-by: John Garry <john.garry@huawei.com>
Analysed-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: John Garry <john.garry@huawei.com> # arm64
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/n/tip-lxwjr0cd2eggzx04a780ffrv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-11 13:21:59 +00:00
|
|
|
/*
|
|
|
|
* Some arches do not provide a get_cpuid(), so just use pr_debug, otherwise
|
2021-03-23 16:09:15 +00:00
|
|
|
* warn the user explicitly.
|
perf top: Do not bail out when perf_env__read_cpuid() returns ENOSYS
'perf top' stopped working on hw architectures that do not provide a
get_cpuid() implementation and thus fallback to the weak get_cpuid()
default function.
This is done because at annotation time we may need it in the arch
specific annotation init routine, but that is only being used by arches
that do provide a get_cpuid() implementation:
$ find tools/ -name "*.[ch]" | xargs grep 'evlist->env'
tools/perf/builtin-top.c: top.evlist->env = &perf_env;
tools/perf/util/evsel.c: return evsel->evlist->env;
tools/perf/util/s390-cpumsf.c: sf->machine_type = s390_cpumsf_get_type(session->evlist->env->cpuid);
tools/perf/util/header.c: session->evlist->env = &header->env;
tools/perf/util/sample-raw.c: const char *arch_pf = perf_env__arch(evlist->env);
$
$ find tools/perf/arch -name "*.[ch]" | xargs grep -w get_cpuid
tools/perf/arch/x86/util/auxtrace.c: ret = get_cpuid(buffer, sizeof(buffer));
tools/perf/arch/x86/util/header.c:get_cpuid(char *buffer, size_t sz)
tools/perf/arch/powerpc/util/header.c:get_cpuid(char *buffer, size_t sz)
tools/perf/arch/s390/util/header.c: * Implementation of get_cpuid().
tools/perf/arch/s390/util/header.c:int get_cpuid(char *buffer, size_t sz)
tools/perf/arch/s390/util/header.c: if (buf && get_cpuid(buf, 128))
$
For 'report' or 'script', i.e. tools working on perf.data files, that is
setup while reading the header, its just top that needs to explicitely
read it at tool start.
Fixes: 608127f73779 ("perf top: Initialize perf_env->cpuid, needed by the per arch annotation init routine")
Reported-by: John Garry <john.garry@huawei.com>
Analysed-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: Mark Rutland <mark.rutland@arm.com>
Tested-by: John Garry <john.garry@huawei.com> # arm64
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lkml.kernel.org/n/tip-lxwjr0cd2eggzx04a780ffrv@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-12-11 13:21:59 +00:00
|
|
|
*/
|
|
|
|
eprintf(status == ENOSYS ? 1 : 0, verbose,
|
|
|
|
"Couldn't read the cpuid for this machine: %s\n",
|
|
|
|
str_error_r(errno, errbuf, sizeof(errbuf)));
|
2019-09-30 14:53:00 +00:00
|
|
|
}
|
|
|
|
top.evlist->env = &perf_env;
|
2014-02-03 11:44:42 +00:00
|
|
|
|
2009-05-26 07:17:18 +00:00
|
|
|
argc = parse_options(argc, argv, options, top_usage, 0);
|
|
|
|
if (argc)
|
|
|
|
usage_with_options(top_usage, options);
|
|
|
|
|
2020-01-07 21:04:44 +00:00
|
|
|
if (annotate_check_args(&top.annotation_opts) < 0)
|
|
|
|
goto out_delete_evlist;
|
|
|
|
|
2019-07-21 11:24:28 +00:00
|
|
|
if (!top.evlist->core.nr_entries &&
|
2020-06-17 12:16:20 +00:00
|
|
|
evlist__add_default(top.evlist) < 0) {
|
2015-12-22 17:07:01 +00:00
|
|
|
pr_err("Not enough memory for event selector list\n");
|
|
|
|
goto out_delete_evlist;
|
|
|
|
}
|
|
|
|
|
perf top: Add --switch-on/--switch-off events
Just like 'perf trace' and 'perf script', should be useful for instance
to only consider samples after the initialization phase of some
workload.
The man page has some examples and considerations about its current
interface, that still doesn't handle the on/off events in a special way,
behaving just like when multiple events are specified, i.e.:
- In non-group mode (when the event list is not enclosed in {}) show a
a menu to allow choosing which event the user wants to see in the
histograms browser
- In group mode, be it using {} or asking for --group, show one column
per event.
Try for instance:
# perf top -e '{cycles,instructions,probe:icmp_rcv}' --switch-on=probe:icmp_rcv
Replace probe:icmp_rcv, that I put in place using:
# perf probe icmp_rcv:59
To hit when broadcast packets arrive, with a probe installed after an
initialization phase is over or after some other point of interest, some
garbage collection, etc, and also use --switch-off, for instance, on a
probe installed after said garbage collection is over.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Florian Weimer <fweimer@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Link: https://lkml.kernel.org/n/tip-c7q7qjeqtyvc9mkeipxza6ne@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-08-15 19:03:26 +00:00
|
|
|
status = evswitch__init(&top.evswitch, top.evlist, stderr);
|
|
|
|
if (status)
|
|
|
|
goto out_delete_evlist;
|
|
|
|
|
2016-02-24 15:13:50 +00:00
|
|
|
if (symbol_conf.report_hierarchy) {
|
|
|
|
/* disable incompatible options */
|
|
|
|
symbol_conf.event_group = false;
|
|
|
|
symbol_conf.cumulate_callchain = false;
|
|
|
|
|
|
|
|
if (field_order) {
|
|
|
|
pr_err("Error: --hierarchy and --fields options cannot be used together\n");
|
|
|
|
parse_options_usage(top_usage, options, "fields", 0);
|
|
|
|
parse_options_usage(NULL, options, "hierarchy", 0);
|
|
|
|
goto out_delete_evlist;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-03-19 20:25:15 +00:00
|
|
|
if (top.stitch_lbr && !(callchain_param.record_mode == CALLCHAIN_LBR)) {
|
|
|
|
pr_err("Error: --stitch-lbr must be used with --call-graph lbr\n");
|
|
|
|
goto out_delete_evlist;
|
|
|
|
}
|
|
|
|
|
2018-10-31 11:06:35 +00:00
|
|
|
if (opts->branch_stack && callchain_param.enabled)
|
|
|
|
symbol_conf.show_branchflag_count = true;
|
|
|
|
|
2014-03-18 02:31:39 +00:00
|
|
|
sort__mode = SORT_MODE__TOP;
|
2014-03-04 02:01:41 +00:00
|
|
|
/* display thread wants entries to be collapsed in a different tree */
|
2016-05-03 11:54:42 +00:00
|
|
|
perf_hpp_list.need_collapse = 1;
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
|
2016-01-18 09:24:06 +00:00
|
|
|
if (top.use_stdio)
|
|
|
|
use_browser = 0;
|
|
|
|
else if (top.use_tui)
|
|
|
|
use_browser = 1;
|
|
|
|
|
|
|
|
setup_browser(false);
|
|
|
|
|
2015-12-22 17:07:01 +00:00
|
|
|
if (setup_sorting(top.evlist) < 0) {
|
2014-03-04 02:01:41 +00:00
|
|
|
if (sort_order)
|
|
|
|
parse_options_usage(top_usage, options, "s", 1);
|
|
|
|
if (field_order)
|
|
|
|
parse_options_usage(sort_order ? NULL : top_usage,
|
|
|
|
options, "fields", 0);
|
2013-11-01 07:33:14 +00:00
|
|
|
goto out_delete_evlist;
|
|
|
|
}
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
|
2013-11-12 19:46:16 +00:00
|
|
|
status = target__validate(target);
|
2012-05-07 05:09:02 +00:00
|
|
|
if (status) {
|
2013-11-12 19:46:16 +00:00
|
|
|
target__strerror(target, status, errbuf, BUFSIZ);
|
2013-11-12 23:26:09 +00:00
|
|
|
ui__warning("%s\n", errbuf);
|
2012-05-07 05:09:02 +00:00
|
|
|
}
|
|
|
|
|
2013-11-12 19:46:16 +00:00
|
|
|
status = target__parse_uid(target);
|
2012-05-07 05:09:02 +00:00
|
|
|
if (status) {
|
|
|
|
int saved_errno = errno;
|
2012-04-26 05:15:18 +00:00
|
|
|
|
2013-11-12 19:46:16 +00:00
|
|
|
target__strerror(target, status, errbuf, BUFSIZ);
|
2013-11-12 23:26:09 +00:00
|
|
|
ui__error("%s\n", errbuf);
|
2012-05-07 05:09:02 +00:00
|
|
|
|
|
|
|
status = -saved_errno;
|
2012-01-19 16:08:15 +00:00
|
|
|
goto out_delete_evlist;
|
2012-05-07 05:09:02 +00:00
|
|
|
}
|
2012-01-19 16:08:15 +00:00
|
|
|
|
2013-11-12 19:46:16 +00:00
|
|
|
if (target__none(target))
|
2012-12-11 19:48:41 +00:00
|
|
|
target->system_wide = true;
|
2012-05-07 19:33:56 +00:00
|
|
|
|
2020-11-30 17:56:52 +00:00
|
|
|
if (evlist__create_maps(top.evlist, target) < 0) {
|
2015-12-10 17:48:45 +00:00
|
|
|
ui__error("Couldn't create thread/CPU maps: %s\n",
|
tools: Introduce str_error_r()
The tools so far have been using the strerror_r() GNU variant, that
returns a string, be it the buffer passed or something else.
But that, besides being tricky in cases where we expect that the
function using strerror_r() returns the error formatted in a provided
buffer (we have to check if it returned something else and copy that
instead), breaks the build on systems not using glibc, like Alpine
Linux, where musl libc is used.
So, introduce yet another wrapper, str_error_r(), that has the GNU
interface, but uses the portable XSI variant of strerror_r(), so that
users rest asured that the provided buffer is used and it is what is
returned.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-d4t42fnf48ytlk8rjxs822tf@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-07-06 14:56:20 +00:00
|
|
|
errno == ENOENT ? "No such process" : str_error_r(errno, errbuf, sizeof(errbuf)));
|
2015-12-10 17:48:45 +00:00
|
|
|
goto out_delete_evlist;
|
2011-01-03 18:39:04 +00:00
|
|
|
}
|
2009-11-17 20:38:01 +00:00
|
|
|
|
2011-01-31 16:50:39 +00:00
|
|
|
if (top.delay_secs < 1)
|
|
|
|
top.delay_secs = 1;
|
2009-06-05 17:31:01 +00:00
|
|
|
|
2013-12-19 17:43:45 +00:00
|
|
|
if (record_opts__config(opts)) {
|
2012-12-11 19:48:41 +00:00
|
|
|
status = -EINVAL;
|
2014-01-03 18:56:06 +00:00
|
|
|
goto out_delete_evlist;
|
2011-01-03 18:39:04 +00:00
|
|
|
}
|
|
|
|
|
2019-09-03 08:39:52 +00:00
|
|
|
top.sym_evsel = evlist__first(top.evlist);
|
2011-01-11 17:16:52 +00:00
|
|
|
|
2016-04-18 15:30:16 +00:00
|
|
|
if (!callchain_param.enabled) {
|
2013-10-30 08:05:55 +00:00
|
|
|
symbol_conf.cumulate_callchain = false;
|
|
|
|
perf_hpp__cancel_cumulate();
|
|
|
|
}
|
|
|
|
|
2015-10-22 07:45:46 +00:00
|
|
|
if (symbol_conf.cumulate_callchain && !callchain_param.order_set)
|
|
|
|
callchain_param.order = ORDER_CALLER;
|
|
|
|
|
2016-08-25 19:09:21 +00:00
|
|
|
status = symbol__annotation_init();
|
|
|
|
if (status < 0)
|
|
|
|
goto out_delete_evlist;
|
2011-01-03 18:39:04 +00:00
|
|
|
|
perf annotate: Make perf config effective
perf default config set by user in [annotate] section is totally ignored
by annotate code. Fix it.
Before:
$ ./perf config
annotate.hide_src_code=true
annotate.show_nr_jumps=true
annotate.show_nr_samples=true
$ ./perf annotate shash
│ unsigned h = 0;
│ movl $0x0,-0xc(%rbp)
│ while (*s)
│ ↓ jmp 44
│ h = 65599 * h + *s++;
11.33 │24: mov -0xc(%rbp),%eax
43.50 │ imul $0x1003f,%eax,%ecx
│ mov -0x18(%rbp),%rax
After:
│ movl $0x0,-0xc(%rbp)
│ ↓ jmp 44
1 │1 24: mov -0xc(%rbp),%eax
4 │ imul $0x1003f,%eax,%ecx
│ mov -0x18(%rbp),%rax
Note that we have removed show_nr_samples and show_total_period from
annotation_options because they are not used. Instead of them we use
symbol_conf.show_nr_samples and symbol_conf.show_total_period.
Committer testing:
Using 'perf annotate --stdio2' to use the TUI rendering but emitting the output to stdio:
# perf config
#
# perf config annotate.hide_src_code=true
# perf config
annotate.hide_src_code=true
#
# perf config annotate.show_nr_jumps=true
# perf config annotate.show_nr_samples=true
# perf config
annotate.hide_src_code=true
annotate.show_nr_jumps=true
annotate.show_nr_samples=true
#
#
Before:
# perf annotate --stdio2 ObjectInstance::weak_pointer_was_finalized
Samples: 1 of event 'cycles', 4000 Hz, Event count (approx.): 830873, [percent: local period]
ObjectInstance::weak_pointer_was_finalized() /usr/lib64/libgjs.so.0.0.0
Percent
00000000000609f0 <ObjectInstance::weak_pointer_was_finalized()@@Base>:
endbr64
cmpq $0x0,0x20(%rdi)
↓ je 10
xor %eax,%eax
← retq
xchg %ax,%ax
100.00 10: push %rbp
cmpq $0x0,0x18(%rdi)
mov %rdi,%rbp
↓ jne 20
1b: xor %eax,%eax
pop %rbp
← retq
nop
20: lea 0x18(%rdi),%rdi
→ callq JS_UpdateWeakPointerAfterGC(JS::Heap<JSObject*
cmpq $0x0,0x18(%rbp)
↑ jne 1b
mov %rbp,%rdi
→ callq ObjectBase::jsobj_addr() const@plt
mov $0x1,%eax
pop %rbp
← retq
#
After:
# perf annotate --stdio2 ObjectInstance::weak_pointer_was_finalized 2> /dev/null
Samples: 1 of event 'cycles', 4000 Hz, Event count (approx.): 830873, [percent: local period]
ObjectInstance::weak_pointer_was_finalized() /usr/lib64/libgjs.so.0.0.0
Samples endbr64
cmpq $0x0,0x20(%rdi)
↓ je 10
xor %eax,%eax
← retq
xchg %ax,%ax
1 1 10: push %rbp
cmpq $0x0,0x18(%rdi)
mov %rdi,%rbp
↓ jne 20
1 1b: xor %eax,%eax
pop %rbp
← retq
nop
1 20: lea 0x18(%rdi),%rdi
→ callq JS_UpdateWeakPointerAfterGC(JS::Heap<JSObject*
cmpq $0x0,0x18(%rbp)
↑ jne 1b
mov %rbp,%rdi
→ callq ObjectBase::jsobj_addr() const@plt
mov $0x1,%eax
pop %rbp
← retq
#
# perf config annotate.show_nr_jumps
annotate.show_nr_jumps=true
# perf config annotate.show_nr_jumps=false
# perf config annotate.show_nr_jumps
annotate.show_nr_jumps=false
#
# perf annotate --stdio2 ObjectInstance::weak_pointer_was_finalized 2> /dev/null
Samples: 1 of event 'cycles', 4000 Hz, Event count (approx.): 830873, [percent: local period]
ObjectInstance::weak_pointer_was_finalized() /usr/lib64/libgjs.so.0.0.0
Samples endbr64
cmpq $0x0,0x20(%rdi)
↓ je 10
xor %eax,%eax
← retq
xchg %ax,%ax
1 10: push %rbp
cmpq $0x0,0x18(%rdi)
mov %rdi,%rbp
↓ jne 20
1b: xor %eax,%eax
pop %rbp
← retq
nop
20: lea 0x18(%rdi),%rdi
→ callq JS_UpdateWeakPointerAfterGC(JS::Heap<JSObject*
cmpq $0x0,0x18(%rbp)
↑ jne 1b
mov %rbp,%rdi
→ callq ObjectBase::jsobj_addr() const@plt
mov $0x1,%eax
pop %rbp
← retq
#
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Link: http://lore.kernel.org/lkml/20200213064306.160480-6-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-02-13 06:43:03 +00:00
|
|
|
annotation_config__init(&top.annotation_opts);
|
2018-03-16 17:33:38 +00:00
|
|
|
|
2011-01-03 18:39:04 +00:00
|
|
|
symbol_conf.try_vmlinux_path = (symbol_conf.vmlinux_name == NULL);
|
2019-03-16 08:05:48 +00:00
|
|
|
status = symbol__init(NULL);
|
|
|
|
if (status < 0)
|
|
|
|
goto out_delete_evlist;
|
2011-01-03 18:39:04 +00:00
|
|
|
|
2013-04-03 12:26:19 +00:00
|
|
|
sort__setup_elide(stdout);
|
perf top: Reuse the 'report' hist_entry/hists classes
This actually fixes several problems we had in the old 'perf top':
1. Unresolved symbols not show, limitation that came from the old
"KernelTop" codebase, to solve it we would need to do changes
that would make sym_entry have most of the hist_entry fields.
2. It was using the number of samples, not the sum of sample->period.
And brings the --sort code that allows us to have all the views in
'perf report', for instance:
[root@emilia ~]# perf top --sort dso
PerfTop: 5903 irqs/sec kernel:77.5% exact: 0.0% [1000Hz cycles], (all, 8 CPUs)
------------------------------------------------------------------------------
31.59% libcrypto.so.1.0.0
21.55% [kernel]
18.57% libpython2.6.so.1.0
7.04% libc-2.12.so
6.99% _backend_agg.so
4.72% sshd
1.48% multiarray.so
1.39% libfreetype.so.6.3.22
1.37% perf
0.71% libgobject-2.0.so.0.2200.5
0.53% [tg3]
0.48% libglib-2.0.so.0.2200.5
0.44% libstdc++.so.6.0.13
0.40% libcairo.so.2.10800.8
0.38% libm-2.12.so
0.34% umath.so
0.30% libgdk-x11-2.0.so.0.1800.9
0.22% libpthread-2.12.so
0.20% libgtk-x11-2.0.so.0.1800.9
0.20% librt-2.12.so
0.15% _path.so
0.13% libpango-1.0.so.0.2800.1
0.11% libatlas.so.3.0
0.09% ft2font.so
0.09% libpangoft2-1.0.so.0.2800.1
0.08% libX11.so.6.3.0
0.07% [vdso]
0.06% cyclictest
^C
All the filter lists can be used as well: --dsos, --comms, --symbols,
etc.
The 'perf report' TUI is also reused, being possible to apply all the
zoom operations, do annotation, etc.
This change will allow multiple simplifications in the symbol system as
well, that will be detailed in upcoming changesets.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-xzaaldxq7zhqrrxdxjifk1mh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2011-10-05 22:16:15 +00:00
|
|
|
|
2011-11-28 11:37:05 +00:00
|
|
|
get_term_dimensions(&top.winsize);
|
2011-01-31 16:50:39 +00:00
|
|
|
if (top.print_entries == 0) {
|
2011-11-28 11:37:05 +00:00
|
|
|
perf_top__update_print_entries(&top);
|
2017-11-15 13:30:57 +00:00
|
|
|
signal(SIGWINCH, winch_sig);
|
2009-11-16 21:30:27 +00:00
|
|
|
}
|
|
|
|
|
2019-03-16 08:05:47 +00:00
|
|
|
top.session = perf_session__new(NULL, false, NULL);
|
2019-08-22 07:20:49 +00:00
|
|
|
if (IS_ERR(top.session)) {
|
|
|
|
status = PTR_ERR(top.session);
|
2019-03-16 08:05:47 +00:00
|
|
|
goto out_delete_evlist;
|
|
|
|
}
|
|
|
|
|
2020-08-18 12:30:37 +00:00
|
|
|
#ifdef HAVE_LIBBPF_SUPPORT
|
2020-04-24 15:24:51 +00:00
|
|
|
if (!top.record_opts.no_bpf_event) {
|
|
|
|
top.sb_evlist = evlist__new();
|
|
|
|
|
|
|
|
if (top.sb_evlist == NULL) {
|
|
|
|
pr_err("Couldn't create side band evlist.\n.");
|
|
|
|
goto out_delete_evlist;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (evlist__add_bpf_sb_event(top.sb_evlist, &perf_env)) {
|
|
|
|
pr_err("Couldn't ask for PERF_RECORD_BPF_EVENT side band events.\n.");
|
|
|
|
goto out_delete_evlist;
|
|
|
|
}
|
|
|
|
}
|
2020-08-18 12:30:37 +00:00
|
|
|
#endif
|
perf tools: Save bpf_prog_info and BTF of new BPF programs
To fully annotate BPF programs with source code mapping, 4 different
information are needed:
1) PERF_RECORD_KSYMBOL
2) PERF_RECORD_BPF_EVENT
3) bpf_prog_info
4) btf
This patch handles 3) and 4) for BPF programs loaded after 'perf
record|top'.
For timely process of these information, a dedicated event is added to
the side band evlist.
When PERF_RECORD_BPF_EVENT is received via the side band event, the
polling thread gathers 3) and 4) vis sys_bpf and store them in perf_env.
This information is saved to perf.data at the end of 'perf record'.
Committer testing:
The 'wakeup_watermark' member in 'struct perf_event_attr' is inside a
unnamed union, so can't be used in a struct designated initialization
with older gccs, get it out of that, isolating as 'attr.wakeup_watermark
= 1;' to work with all gcc versions.
We also need to add '--no-bpf-event' to the 'perf record'
perf_event_attr tests in 'perf test', as the way that that test goes is
to intercept the events being setup and looking if they match the fields
described in the control files, since now it finds first the side band
event used to catch the PERF_RECORD_BPF_EVENT, they all fail.
With these issues fixed:
Same scenario as for testing BPF programs loaded before 'perf record' or
'perf top' starts, only start the BPF programs after 'perf record|top',
so that its information get collected by the sideband threads, the rest
works as for the programs loaded before start monitoring.
Add missing 'inline' to the bpf_event__add_sb_event() when
HAVE_LIBBPF_SUPPORT is not defined, fixing the build in systems without
binutils devel files installed.
Signed-off-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stanislav Fomichev <sdf@google.com>
Link: http://lkml.kernel.org/r/20190312053051.2690567-16-songliubraving@fb.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2019-03-12 05:30:51 +00:00
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2020-11-30 12:40:10 +00:00
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if (evlist__start_sb_thread(top.sb_evlist, target)) {
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2019-03-12 05:30:50 +00:00
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pr_debug("Couldn't start the BPF side band thread:\nBPF programs starting from now on won't be annotatable\n");
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opts->no_bpf_event = true;
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}
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2011-11-28 11:37:05 +00:00
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status = __cmd_top(&top);
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2011-11-29 10:05:52 +00:00
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2019-03-12 05:30:50 +00:00
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if (!opts->no_bpf_event)
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2020-11-30 12:40:10 +00:00
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evlist__stop_sb_thread(top.sb_evlist);
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2019-03-12 05:30:50 +00:00
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2012-01-19 16:08:15 +00:00
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out_delete_evlist:
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2019-07-21 11:23:56 +00:00
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evlist__delete(top.evlist);
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2019-03-16 08:05:47 +00:00
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perf_session__delete(top.session);
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2011-01-03 18:39:04 +00:00
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return status;
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2009-05-26 07:17:18 +00:00
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}
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