From: Jiri Olsa Date: Thu, 3 Dec 2015 09:06:41 +0000 (+0100) Subject: perf evsel: Introduce disable() method X-Git-Tag: firefly_0821_release~176^2~4^2~44^2~52 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e8224c4aa1b5cb27809762f59c78034ddda5e23b;p=firefly-linux-kernel-4.4.55.git 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 Cc: Adrian Hunter Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1449133606-14429-3-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo (cherry picked from commit e98a4cbb01e0ba1110eba5166a425b3eab9b2244) --- 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);