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Kajol Jain 26da4abfb3 powerpc/perf: Fix data source encodings for L2.1 and L3.1 accesses 
Fix the data source encodings to represent L2.1/L3.1(another core's
L2/L3 on the same node) accesses properly for power10 and older
plaforms.

Add new macros(LEVEL/REM) which can be used to add mem_lvl_num and remote
field data inside perf_mem_data_src structure.

Result in power9 system with patch changes:

localhost:~/linux/tools/perf # ./perf mem report | grep Remote
     0.01%             1  252           Remote core, same node L3 or L3 hit  [.] 0x0000000000002dd0                producer_consumer   [.] 0x00007fff7f25eb90
anon               HitM          N/A                     No       N/A        0              0
     0.01%             1  220           Remote core, same node L3 or L3 hit  [.] 0x0000000000002dd0                producer_consumer   [.] 0x00007fff77776d90
anon               HitM          N/A                     No       N/A        0              0
     0.01%             1  220           Remote core, same node L3 or L3 hit  [.] 0x0000000000002dd0                producer_consumer   [.] 0x00007fff817d9410
anon               HitM          N/A                     No       N/A        0              0

Fixes: 79e96f8f93 ("powerpc/perf: Export memory hierarchy info to user space")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20211006140654.298352-5-kjain@linux.ibm.com
2021-10-19 17:27:01 +02:00
arch powerpc/perf: Fix data source encodings for L2.1 and L3.1 accesses 2021-10-19 17:27:01 +02:00
block block-5.14-2021-08-20 2021-08-21 08:11:22 -07:00
certs Kbuild updates for v5.13 (2nd) 2021-05-08 10:00:11 -07:00
crypto crypto: drbg - select SHA512 2021-07-16 15:49:31 +08:00
Documentation Merge branch 'perf/urgent' into perf/core, to pick up fixes 2021-08-26 09:14:05 +02:00
drivers Two clk driver fixes 2021-08-21 11:27:16 -07:00
fs File locking change for v5.14 2021-08-21 10:50:22 -07:00
include perf: Add mem_hops field in perf_mem_data_src structure 2021-10-19 17:27:00 +02:00
init init: Suppress wrong warning for bootconfig cmdline parameter 2021-08-12 13:35:57 -04:00
ipc Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
kernel perf/core: Allow ftrace for functions in kernel/event/core.c 2021-10-15 11:25:31 +02:00
lib lib: use PFN_PHYS() in devmem_is_allowed() 2021-08-13 14:09:32 -10:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm hugetlb: don't pass page cache pages to restore_reserve_on_error 2021-08-20 11:31:42 -07:00
net mptcp: full fully established support after ADD_ADDR 2021-08-19 12:16:54 +01:00
samples Networking fixes for 5.14-rc2, including fixes from bpf and netfilter. 2021-07-14 09:24:32 -07:00
scripts Kbuild fixes for v5.14 (2nd) 2021-08-07 10:03:02 -07:00
security bpf: Add lockdown check for probe_write_user helper 2021-08-10 10:10:10 +02:00
sound another sound-fixes for 5.14-rc7 2021-08-20 12:31:10 -07:00
tools tools/perf: Add mem_hops field in perf_mem_data_src structure 2021-10-19 17:27:00 +02:00
usr .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
virt KVM: Do not leak memory for duplicate debugfs directories 2021-08-04 06:02:03 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap m68k updates for v5.14 2021-06-28 14:01:03 -07:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: move Murali Karicheri to credits 2021-04-29 15:47:30 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS Merge branch 'akpm' (patches from Andrew) 2021-08-20 13:08:56 -07:00
Makefile Linux 5.14-rc7 2021-08-22 14:24:56 -07:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.