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authorJiri Olsa <jolsa@kernel.org>2017-07-26 15:02:05 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-07-26 20:21:59 +0300
commitf7794d525447f1e4e4b2228dd29dba084005e6bf (patch)
tree30ebccbdc677b6f20c29e94fe169fe6ef72dff4c /tools/perf/util/stat.h
parentde63403bfd14ae8d613f30c9a0d415581b4cb37e (diff)
downloadlinux-f7794d525447f1e4e4b2228dd29dba084005e6bf.tar.xz
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.h')
-rw-r--r--tools/perf/util/stat.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 7522bf10b03e..eacaf958e19d 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -28,8 +28,9 @@ enum perf_stat_evsel_id {
};
struct perf_stat_evsel {
- struct stats res_stats[3];
- enum perf_stat_evsel_id id;
+ struct stats res_stats[3];
+ enum perf_stat_evsel_id id;
+ u64 *group_data;
};
enum aggr_mode {