diff options
| author | Stanislav Fomichev <stfomichev@yandex-team.ru> | 2013-11-01 20:25:50 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-11-27 14:58:37 -0300 |
| commit | 367b3152d72c20d789b07650bd1189ce0fe266b8 (patch) | |
| tree | e69351bd6811226798776c5a3a6ab80a030cb2b5 /tools/perf/Documentation | |
| parent | cbb2e81e5232b1bca5cd2aa1d7a7eb1cd30f8304 (diff) | |
perf timechart: Add support for -P and -T in timechart recording
If we don't want either power or task events we may use -T or -P with
the `perf timechart record` command to filter out events while recording
to keep perf.data small.
Signed-off-by: Stanislav Fomichev <stfomichev@yandex-team.ru>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1383323151-19810-7-git-send-email-stfomichev@yandex-team.ru
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-timechart.txt | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-timechart.txt b/tools/perf/Documentation/perf-timechart.txt index d8441894d9ec..8359cfadf0ac 100644 --- a/tools/perf/Documentation/perf-timechart.txt +++ b/tools/perf/Documentation/perf-timechart.txt @@ -8,8 +8,7 @@ perf-timechart - Tool to visualize total system behavior during a workload SYNOPSIS -------- [verse] -'perf timechart' record <command> -'perf timechart' [<options>] +'perf timechart' [<timechart options>] {record} [<record options>] DESCRIPTION ----------- @@ -21,8 +20,8 @@ There are two variants of perf timechart: 'perf timechart' to turn a trace into a Scalable Vector Graphics file, that can be viewed with popular SVG viewers such as 'Inkscape'. -OPTIONS -------- +TIMECHART OPTIONS +----------------- -o:: --output=:: Select the output file (default: output.svg) @@ -61,6 +60,15 @@ $ perf timechart --proc-num:: Print task info for at least given number of tasks. +RECORD OPTIONS +-------------- +-P:: +--power-only:: + Record only power-related events +-T:: +--tasks-only:: + Record only tasks-related events + SEE ALSO -------- linkperf:perf-record[1] |