Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / tools / perf / util / stat.c

diff --git a/kernel/tools/perf/util/stat.c b/kernel/tools/perf/util/stat.c
index 4a3a72c..6ce624c 100644 (file)
--- a/kernel/tools/perf/util/stat.c
+++ b/kernel/tools/perf/util/stat.c
@@ -311,6 +311,16 @@ int perf_stat_process_counter(struct perf_stat_config *config,
 
        aggr->val = aggr->ena = aggr->run = 0;
 
+       /*
+        * We calculate counter's data every interval,
+        * and the display code shows ps->res_stats
+        * avg value. We need to zero the stats for
+        * interval mode, otherwise overall avg running
+        * averages will be shown for each interval.
+        */
+       if (config->interval)
+               init_stats(ps->res_stats);
+
        if (counter->per_pkg)
                zero_per_pkg(counter);