perf evsel: Only fall back group read for leader

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

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 26bdeec..4cd2cf9 100644 (file)
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1925,7 +1925,8 @@ try_fallback:
                goto fallback_missing_features;
        } else if (!perf_missing_features.group_read &&
                    evsel->attr.inherit &&
-                  (evsel->attr.read_format & PERF_FORMAT_GROUP)) {
+                  (evsel->attr.read_format & PERF_FORMAT_GROUP) &&
+                  perf_evsel__is_group_leader(evsel)) {
                perf_missing_features.group_read = true;
                pr_debug2("switching off group read\n");
                goto fallback_missing_features;