diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2015-12-03 10:06:41 +0100 |
|---|---|---|
| committer | Mathieu Poirier <mathieu.poirier@linaro.org> | 2016-06-01 15:35:32 -0600 |
| commit | e8224c4aa1b5cb27809762f59c78034ddda5e23b (patch) | |
| tree | 598c94d9f5d19337092f6c4acf43216e63751577 | |
| parent | b102ff2ac3a5d80863065a9c7749f9646c5ab414 (diff) | |
perf evsel: Introduce disable() method
Adding perf_evsel__disable function to have complement for
perf_evsel__enable function. Both will be used in following patch to
factor perf_evlist__(enable|disable).
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1449133606-14429-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
(cherry picked from commit e98a4cbb01e0ba1110eba5166a425b3eab9b2244)
| -rw-r--r-- | tools/perf/util/evsel.c | 10 | ||||
| -rw-r--r-- | tools/perf/util/evsel.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 397fb4ed3c97..1eb4d02e3968 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -988,6 +988,16 @@ int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads) 0); } +int perf_evsel__disable(struct perf_evsel *evsel) +{ + int nthreads = thread_map__nr(evsel->threads); + int ncpus = cpu_map__nr(evsel->cpus); + + return perf_evsel__run_ioctl(evsel, ncpus, nthreads, + PERF_EVENT_IOC_DISABLE, + 0); +} + int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads) { if (ncpus == 0 || nthreads == 0) diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 0e49bd742c63..eaa4c733c976 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -228,6 +228,7 @@ int perf_evsel__append_filter(struct perf_evsel *evsel, int perf_evsel__apply_filter(struct perf_evsel *evsel, int ncpus, int nthreads, const char *filter); int perf_evsel__enable(struct perf_evsel *evsel, int ncpus, int nthreads); +int perf_evsel__disable(struct perf_evsel *evsel); int perf_evsel__open_per_cpu(struct perf_evsel *evsel, struct cpu_map *cpus); |