Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 2/7] perf tools: Introduce perf_evsel__disable function | Date | Thu, 3 Dec 2015 10:06:41 +0100 |
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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).
Link: http://lkml.kernel.org/n/tip-bbyjpha9wc4ifn0ebfkm0mnl@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/util/evsel.c | 10 ++++++++++ tools/perf/util/evsel.h | 1 + 2 files changed, 11 insertions(+)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 3a9b5068667d..47f033089349 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -991,6 +991,16 @@ int perf_evsel__enable(struct perf_evsel *evsel) 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 a721592a3200..5ded1fc0341e 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 perf_evsel__disable(struct perf_evsel *evsel); int perf_evsel__open_per_cpu(struct perf_evsel *evsel, struct cpu_map *cpus); -- 2.4.3
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