1 files changed, 21 insertions, 0 deletions

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 5dc4f8429eda..1614ad710046 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1028,3 +1028,24 @@ int hist_entry__annotate(struct hist_entry *self, struct list_head *head)
         pclose(file);
         return 0;
 }
+
+void hists__inc_nr_events(struct hists *self, u32 type)
+{
+        ++self->hists.stats.nr_events[0];
+        ++self->hists.stats.nr_events[type];
+}
+
+size_t hists__fprintf_nr_events(struct hists *self, FILE *fp)
+{
+        int i;
+        size_t ret = 0;
+
+        for (i = 0; i < PERF_RECORD_HEADER_MAX; ++i) {
+                if (!event__name[i])
+                        continue;
+                ret += fprintf(fp, "%10s events: %10d\n",
+                               event__name[i], self->stats.nr_events[i]);
+        }
+
+        return ret;
+}