linux-stable/tools/perf/Documentation
Namhyung Kim f6027053f8 perf lock contention: Add --output option
To avoid formatting failures for example in CSV output due to debug
messages, add --output option to put the result in a file.
Unfortunately the short -o option was taken by the --owner already.

  $ sudo ./perf lock con -ab --output lock-out.txt -v sleep 1
  Looking at the vmlinux_path (8 entries long)
  symsrc__init: cannot get elf header.
  Using /proc/kcore for kernel data
  Using /proc/kallsyms for symbols

  $ head lock-out.txt
   contended   total wait     max wait     avg wait         type   caller

           3     76.79 us     26.89 us     25.60 us     rwlock:R   ep_poll_callback+0x2d
  			0xffffffff9a23f4b5  _raw_read_lock_irqsave+0x45
  			0xffffffff99bbd4dd  ep_poll_callback+0x2d
  			0xffffffff999029f3  __wake_up_common+0x73
  			0xffffffff99902b82  __wake_up_common_lock+0x82
  			0xffffffff99fa5b1c  sock_def_readable+0x3c
  			0xffffffff9a11521d  unix_stream_sendmsg+0x18d
  			0xffffffff99f9fc9c  sock_sendmsg+0x5c

Suggested-by: Ian Rogers <irogers@google.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20230628200141.2739587-4-namhyung@kernel.org
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-07-01 10:48:48 -07:00
..
android.txt
arm-coresight.txt perf docs: Fix man page build wrt perf-arm-coresight.txt 2022-10-25 17:40:48 -03:00
asciidoc.conf
asciidoctor-extensions.rb
build-docdep.perl perf doc: Fix doc.dep 2021-08-02 09:56:17 -03:00
build-xed.txt
Build.txt
callchain-overhead-calculation.txt
cat-texi.perl perf doc: Fix perfman.info build 2021-08-02 09:56:17 -03:00
db-export.txt
examples.txt perf tools: Replace lkml.org links with lore 2021-02-11 12:54:27 -03:00
guest-files.txt perf tools: Tidy guest option documentation 2022-08-11 18:50:17 -03:00
guestmount.txt perf tools: Tidy guest option documentation 2022-08-11 18:50:17 -03:00
intel-bts.txt
intel-hybrid.txt perf record: Fix manpage formatting of description of support to hybrid systems 2022-08-27 11:55:17 -03:00
intel-pt.txt
itrace.txt perf intel-pt: Synthesize cycle events 2023-02-17 11:02:44 -03:00
jit-interface.txt
jitdump-specification.txt perf doc: Fix typos all over the place 2021-09-27 09:32:28 -03:00
Makefile perf doc: Add support for KBUILD_BUILD_TIMESTAMP 2023-05-15 17:49:01 -03:00
manpage-1.72.xsl
manpage-base.xsl
manpage-bold-literal.xsl
manpage-normal.xsl
manpage-suppress-sp.xsl
perf-annotate.txt perf symbol: Add command line support for addr2line path 2023-04-04 09:39:56 -03:00
perf-archive.txt
perf-arm-spe.txt perf docs: Add man page entry for Arm SPE 2022-04-14 08:54:03 -03:00
perf-bench.txt perf: Various spelling fixes 2023-01-23 10:00:47 -03:00
perf-buildid-cache.txt perf record: Disable debuginfod by default 2022-01-15 17:41:25 -03:00
perf-buildid-list.txt perf buildid-list: Add a "-m" option to show kernel and modules build-ids 2022-07-18 16:35:34 -03:00
perf-c2c.txt perf c2c: Add report option to show false sharing in adjacent cachelines 2023-02-16 09:33:45 -03:00
perf-config.txt perf: Replace deprecated -target with --target= for Clang 2023-06-27 12:13:22 -07:00
perf-daemon.txt perf daemon: Add examples to man page 2021-02-11 10:19:52 -03:00
perf-data.txt perf data: Add JSON export 2021-04-29 10:30:58 -03:00
perf-diff.txt perf tools: Make quiet mode consistent between tools 2022-10-27 16:37:26 -03:00
perf-dlfilter.txt perf dlfilter: Add machine_pid and vcpu 2022-07-20 11:08:13 -03:00
perf-evlist.txt perf tools: Fix documentation of verbose options 2021-03-06 16:54:26 -03:00
perf-ftrace.txt perf ftrace latency: Update documentation 2022-03-22 17:45:39 -03:00
perf-help.txt
perf-inject.txt perf inject: Clarify build-id options a little bit 2022-10-04 08:55:22 -03:00
perf-intel-pt.txt perf intel-pt: Synthesize cycle events 2023-02-17 11:02:44 -03:00
perf-iostat.txt perf docs: Fix accidental em-dashes 2021-08-10 11:05:21 -03:00
perf-kallsyms.txt perf tools: Fix documentation of verbose options 2021-03-06 16:54:26 -03:00
perf-kmem.txt perf kmem: Improve man page for record options 2021-10-08 16:10:02 -03:00
perf-kvm.txt perf kvm: Update documentation to reflect new changes 2023-03-15 16:53:43 -03:00
perf-kwork.txt perf kwork: Implement BPF trace 2022-07-26 16:31:54 -03:00
perf-list.txt perf tools docs: Use canonical ftrace path 2023-02-02 16:32:19 -03:00
perf-lock.txt perf lock contention: Add --output option 2023-07-01 10:48:48 -07:00
perf-mem.txt perf mem/c2c: Document that SPE is used for mem and c2c on ARM 2023-01-27 15:00:34 -03:00
perf-probe.txt perf docs: Fix a typo in 'perf probe' man page: l20th -> 120th 2023-01-19 09:49:59 -03:00
perf-record.txt perf record: Update documentation for BPF filters 2023-03-15 11:08:36 -03:00
perf-report.txt perf symbol: Add command line support for addr2line path 2023-04-04 09:39:56 -03:00
perf-sched.txt
perf-script-perl.txt perf tools docs: Use canonical ftrace path 2023-02-02 16:32:19 -03:00
perf-script-python.txt perf tools docs: Use canonical ftrace path 2023-02-02 16:32:19 -03:00
perf-script.txt perf script: Add new output field 'dsoff' to print dso offset 2023-05-12 15:21:49 -03:00
perf-stat.txt perf stat: Document --metric-no-threshold and threshold colors 2023-06-05 16:04:14 -03:00
perf-test.txt perf test: Add Symbols test 2023-01-22 18:09:56 -03:00
perf-timechart.txt
perf-top.txt perf top: Add --branch-history option 2023-04-04 09:39:56 -03:00
perf-trace.txt perf tools: Fix documentation of verbose options 2021-03-06 16:54:26 -03:00
perf-version.txt
perf.data-directory-format.txt
perf.data-file-format.txt perf header: Record non-CPU PMU capabilities 2022-06-24 13:18:55 -03:00
perf.txt perf docs: Add man page entry for Arm SPE 2022-04-14 08:54:03 -03:00
perfconfig.example
security.txt
tips.txt
topdown.txt perf doc: Refresh topdown documentation 2023-02-19 08:10:15 -03:00