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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/Documentation/perf-lock.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/Documentation/perf-lock.txt')
-rw-r--r-- | tools/perf/Documentation/perf-lock.txt | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt new file mode 100644 index 000000000..74d774592 --- /dev/null +++ b/tools/perf/Documentation/perf-lock.txt @@ -0,0 +1,70 @@ +perf-lock(1) +============ + +NAME +---- +perf-lock - Analyze lock events + +SYNOPSIS +-------- +[verse] +'perf lock' {record|report|script|info} + +DESCRIPTION +----------- +You can analyze various lock behaviours +and statistics with this 'perf lock' command. + + 'perf lock record <command>' records lock events + between start and end <command>. And this command + produces the file "perf.data" which contains tracing + results of 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 +-------------- + +-i:: +--input=<file>:: + Input file name. (default: perf.data unless stdin is a fifo) + +-v:: +--verbose:: + Be more verbose (show symbol address, etc). + +-D:: +--dump-raw-trace:: + Dump raw trace in ASCII. + +-f:: +--force:: + Don't complan, do it. + +REPORT OPTIONS +-------------- + +-k:: +--key=<value>:: + Sorting key. Possible values: acquired (default), contended, + avg_wait, 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] |