perf tools: Add stat event read function

[karo-tx-linux.git] / tools / perf / util / stat.c

diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 2d9d8306dbd3f97f3d1f9734ace17b25d9ed583a..0ad59cea318c1a97306146c85bfa4a0e16f3c163 100644 (file)
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -341,3 +341,26 @@ int perf_stat_process_counter(struct perf_stat_config *config,
 
        return 0;
 }
+
+int perf_event__process_stat_event(struct perf_tool *tool __maybe_unused,
+                                  union perf_event *event,
+                                  struct perf_session *session)
+{
+       struct perf_counts_values count;
+       struct stat_event *st = &event->stat;
+       struct perf_evsel *counter;
+
+       count.val = st->val;
+       count.ena = st->ena;
+       count.run = st->run;
+
+       counter = perf_evlist__id2evsel(session->evlist, st->id);
+       if (!counter) {
+               pr_err("Failed to resolve counter for stat event.\n");
+               return -EINVAL;
+       }
+
+       *perf_counts(counter->counts, st->cpu, st->thread) = count;
+       counter->supported = true;
+       return 0;
+}