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| author | Namhyung Kim <namhyung@gmail.com> | 2012-01-29 09:55:56 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-30 21:30:48 +0100 |
| commit | d1eec3ecaef083affaf3210246b01b6e80d3a44e (patch) | |
| tree | 7f8f6559ad9fe3fb872bbd7f61c8361b10621ce0 /tools/perf/Documentation | |
| parent | perf top: Fix number of samples displayed (diff) | |
| download | linux-d1eec3ecaef083affaf3210246b01b6e80d3a44e.tar.xz linux-d1eec3ecaef083affaf3210246b01b6e80d3a44e.zip | |
perf lock: Document lock info subcommand
The commit 26242d859c9be ("perf lock: Add "info" subcommand for dumping
misc information") added the subcommand but missed documentation. Add
it. Also update stale 'trace' subcommand to 'script'.
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1327827356-8786-5-git-send-email-namhyung@gmail.com
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-lock.txt | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt index d6b2a4f2108b..c7f5f55634ac 100644 --- a/tools/perf/Documentation/perf-lock.txt +++ b/tools/perf/Documentation/perf-lock.txt @@ -8,7 +8,7 @@ perf-lock - Analyze lock events SYNOPSIS -------- [verse] -'perf lock' {record|report|trace} +'perf lock' {record|report|script|info} DESCRIPTION ----------- @@ -20,10 +20,13 @@ and statistics with this 'perf lock' command. produces the file "perf.data" which contains tracing results of lock events. - 'perf lock trace' shows raw lock events. - 'perf lock report' reports statistical data. + 'perf lock script' shows raw lock events. + + 'perf lock info' shows metadata like threads or addresses + of lock instances. + COMMON OPTIONS -------------- @@ -47,6 +50,17 @@ REPORT OPTIONS Sorting key. Possible values: acquired (default), contended, wait_total, wait_max, wait_min. +INFO OPTIONS +------------ + +-t:: +--threads:: + dump thread list in perf.data + +-m:: +--map:: + dump map of lock instances (address:name table) + SEE ALSO -------- linkperf:perf[1] |