perf streams: Get the evsel_streams by evsel_idx

[linux-2.6-microblaze.git] / tools / perf / util / stream.c

diff --git a/tools/perf/util/stream.c b/tools/perf/util/stream.c
index 31efe4a..e1c7d6c 100644 (file)
--- a/tools/perf/util/stream.c
+++ b/tools/perf/util/stream.c
@@ -162,3 +162,16 @@ struct evlist_streams *evlist__create_streams(struct evlist *evlist,
 
        return els;
 }
+
+struct evsel_streams *evsel_streams__entry(struct evlist_streams *els,
+                                          int evsel_idx)
+{
+       struct evsel_streams *es = els->ev_streams;
+
+       for (int i = 0; i < els->nr_evsel; i++) {
+               if (es[i].evsel_idx == evsel_idx)
+                       return &es[i];
+       }
+
+       return NULL;
+}