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authorJiri Olsa <jolsa@kernel.org>2015-12-03 10:06:41 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-12-07 18:12:57 -0300
commite98a4cbb01e0ba1110eba5166a425b3eab9b2244 (patch)
treeccf4ab4b3b4f8b198634391471d6fcbc4e15674e /tools/perf/util/evsel.c
parentperf evsel: Use event maps directly in perf_evsel__enable (diff)
downloadlinux-dev-e98a4cbb01e0ba1110eba5166a425b3eab9b2244.tar.xz
linux-dev-e98a4cbb01e0ba1110eba5166a425b3eab9b2244.zip
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>
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r--tools/perf/util/evsel.c10
1 files changed, 10 insertions, 0 deletions
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)