diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2015-08-09 15:45:23 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-08-10 17:20:26 -0300 |
| commit | 09af2a553577a6e53e40011a910be0f27ce56f3e (patch) | |
| tree | 7b42882057118e4d8f5f8a847f644ae8cd206123 /tools/perf/Documentation | |
| parent | 31191a85fb875cf123cea56bbfd34f4b941f3c79 (diff) | |
perf record: Support per-event freq term
Now perf can set per-event value of time and (sampling) period. But I
guess most users like me just want to set frequency rather than period.
So add the 'freq' term in the event parser.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1439102724-14079-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 0d852d1bc90f..afbe45ef7e3e 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -49,6 +49,7 @@ OPTIONS These params can be used to overload default config values per event. Here is a list of the params. - 'period': Set event sampling period + - 'freq': Set event sampling frequency - 'time': Disable/enable time stamping. Acceptable values are 1 for enabling time stamping. 0 for disabling time stamping. The default is 1. |