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/util/evsel.c | |
| 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/util/evsel.c')
| -rw-r--r-- | tools/perf/util/evsel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index a59710f88d8a..f664a22b5fea 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -600,6 +600,10 @@ static void apply_config_terms(struct perf_evsel *evsel) attr->sample_period = term->val.period; attr->freq = 0; break; + case PERF_EVSEL__CONFIG_TERM_FREQ: + attr->sample_freq = term->val.freq; + attr->freq = 1; + break; case PERF_EVSEL__CONFIG_TERM_TIME: if (term->val.time) perf_evsel__set_sample_bit(evsel, TIME); |