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authorJiri Olsa <jolsa@kernel.org>2017-07-26 14:02:05 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-07-26 14:21:59 -0300
commitf7794d525447f1e4e4b2228dd29dba084005e6bf (patch)
tree30ebccbdc677b6f20c29e94fe169fe6ef72dff4c /tools/perf/util/stat.c
parentde63403bfd14ae8d613f30c9a0d415581b4cb37e (diff)
perf evsel: Add read_counter()
Add perf_evsel__read_counter() to read single or group counter. After calling this function the counter's evsel::counts struct is filled with values for the counter and member of its group if there are any. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> 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/20170726120206.9099-3-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/stat.c')
-rw-r--r--tools/perf/util/stat.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 53b9a994a3dc..35e9848734d6 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -128,6 +128,10 @@ static int perf_evsel__alloc_stat_priv(struct perf_evsel *evsel)
static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
{
+ struct perf_stat_evsel *ps = evsel->priv;
+
+ if (ps)
+ free(ps->group_data);
zfree(&evsel->priv);
}