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Commit e98a4cbb authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

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: default avatarJiri 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 5cd95fc3

tools/perf/util/evsel.c

+10 −0
Original line number Diff line number Diff line
@@ -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)

tools/perf/util/evsel.h

+1 −0
Original line number Diff line number Diff line
@@ -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);