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-rw-r--r--tools/perf/util/evlist.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index dc8aee97a48..eddd5ebcd69 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -117,6 +117,9 @@ void __perf_evlist__set_leader(struct list_head *list)
struct perf_evsel *evsel, *leader;
leader = list_entry(list->next, struct perf_evsel, node);
+ evsel = list_entry(list->prev, struct perf_evsel, node);
+
+ leader->nr_members = evsel->idx - leader->idx + 1;
list_for_each_entry(evsel, list, node) {
if (evsel != leader)
@@ -126,8 +129,10 @@ void __perf_evlist__set_leader(struct list_head *list)
void perf_evlist__set_leader(struct perf_evlist *evlist)
{
- if (evlist->nr_entries)
+ if (evlist->nr_entries) {
+ evlist->nr_groups = evlist->nr_entries > 1 ? 1 : 0;
__perf_evlist__set_leader(&evlist->entries);
+ }
}
int perf_evlist__add_default(struct perf_evlist *evlist)