perf stat: Introduce reset_shadow_stats function

Move shadow counters reset code into separate function
as preparation for moving it into its own object.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1433341559-31848-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 13 insertions, 8 deletions

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index b3e08ce2c564..fc85e6b9bd13 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -279,15 +279,8 @@ static int evsel_context(struct perf_evsel *evsel)
         return ctx;
 }
 
-static void perf_stat__reset_stats(struct perf_evlist *evlist)
+static void reset_shadow_stats(void)
 {
-        struct perf_evsel *evsel;
-
-        evlist__for_each(evlist, evsel) {
-                perf_evsel__reset_stat_priv(evsel);
-                perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
-        }
-
         memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats));
         memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats));
         memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats));
@@ -307,6 +300,18 @@ static void perf_stat__reset_stats(struct perf_evlist *evlist)
         memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
 }
 
+static void perf_stat__reset_stats(struct perf_evlist *evlist)
+{
+        struct perf_evsel *evsel;
+
+        evlist__for_each(evlist, evsel) {
+                perf_evsel__reset_stat_priv(evsel);
+                perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel));
+        }
+
+        reset_shadow_stats();
+}
+
 static int create_perf_stat_counter(struct perf_evsel *evsel)
 {
         struct perf_event_attr *attr = &evsel->attr;