1 files changed, 9 insertions, 0 deletions

diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 588367c3c767..ae8ccd7227cf 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -6,6 +6,7 @@
 struct stats
 {
         double n, mean, M2;
+        u64 max, min;
 };
 
 void update_stats(struct stats *stats, u64 val);
@@ -13,4 +14,12 @@ double avg_stats(struct stats *stats);
 double stddev_stats(struct stats *stats);
 double rel_stddev_stats(double stddev, double avg);
 
+static inline void init_stats(struct stats *stats)
+{
+        stats->n    = 0.0;
+        stats->mean = 0.0;
+        stats->M2   = 0.0;
+        stats->min  = (u64) -1;
+        stats->max  = 0;
+}
 #endif