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| author | Namhyung Kim <namhyung@kernel.org> | 2015-05-09 17:19:42 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-05-12 14:59:48 +0200 |
| commit | 1f91d5fd03d410365d9781ce981f9712b19a0751 (patch) | |
| tree | 5586a40547b30612c24e66583f234553f3aa1bd2 /tools/perf | |
| parent | perf kmem: Fix compiler warning about may be accessing uninitialized variable (diff) | |
| download | linux-1f91d5fd03d410365d9781ce981f9712b19a0751.tar.xz linux-1f91d5fd03d410365d9781ce981f9712b19a0751.zip | |
perf tools: Document relation of per-thread event count feature
The 'perf record -s' and 'perf report -T' should be used together to see
per-thread event counts. Document the relation of these commands.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1431184784-30525-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 3 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 3 |
2 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 57dd57bcef95..280533ebf9df 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -147,7 +147,8 @@ OPTIONS -s:: --stat:: - Per thread counts. + Record per-thread event counts. Use it with 'perf report -T' to see + the values. -d:: --data:: diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 27190ed06f9c..c33b69f3374f 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -34,7 +34,8 @@ OPTIONS -T:: --threads:: - Show per-thread event counters + Show per-thread event counters. The input data file should be recorded + with -s option. -c:: --comms=:: Only consider symbols in these comms. CSV that understands |