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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.txt | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.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.txt')
-rw-r--r-- | tools/perf/Documentation/perf.txt | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf.txt b/tools/perf/Documentation/perf.txt new file mode 100644 index 000000000..c130a3c46 --- /dev/null +++ b/tools/perf/Documentation/perf.txt @@ -0,0 +1,78 @@ +perf(1) +======= + +NAME +---- +perf - Performance analysis tools for Linux + +SYNOPSIS +-------- +[verse] +'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS] + +OPTIONS +------- +-h:: +--help:: + Run perf help command. + +-v:: +--version:: + Display perf version. + +-vv:: + Print the compiled-in status of libraries. + +--exec-path:: + Display or set exec path. + +--html-path:: + Display html documentation path. + +-p:: +--paginate:: + Set up pager. + +--no-pager:: + Do not set pager. + +--buildid-dir:: + Setup buildid cache directory. It has higher priority + than buildid.dir config file option. + +--list-cmds:: + List the most commonly used perf commands. + +--list-opts:: + List available perf options. + +--debugfs-dir:: + Set debugfs directory or set environment variable PERF_DEBUGFS_DIR. + +--debug:: + Setup debug variable (see list below) in value + range (0, 10). Use like: + --debug verbose # sets verbose = 1 + --debug verbose=2 # sets verbose = 2 + + List of debug variables allowed to set: + verbose - general debug messages + ordered-events - ordered events object debug messages + data-convert - data convert command debug messages + stderr - write debug output (option -v) to stderr + in browser mode + perf-event-open - Print perf_event_open() arguments and + return value + +DESCRIPTION +----------- +Performance counters for Linux are a new kernel-based subsystem +that provide a framework for all things performance analysis. It +covers hardware level (CPU/PMU, Performance Monitoring Unit) features +and software features (software counters, tracepoints) as well. + +SEE ALSO +-------- +linkperf:perf-stat[1], linkperf:perf-top[1], +linkperf:perf-record[1], linkperf:perf-report[1], +linkperf:perf-list[1] |