[PATCH] perf tools: fix set event list leader

[Stephane Eranian]

The __perf_evlist__set_leader() was setting the leader for all events
in the list except the first. Which means it assumed the first event
already had event->leader = event. Seems like this should be the role
of the function to also do this. This is a requirement for an upcoming
patch set.

Signed-off-by: Stephane Eranian <eranian@xxxxxxxxxx>
---

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index dc8aee9..050d5bc 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -119,8 +119,7 @@ void __perf_evlist__set_leader(struct list_head *list)
 	leader = list_entry(list->next, struct perf_evsel, node);
 
 	list_for_each_entry(evsel, list, node) {
-		if (evsel != leader)
-			evsel->leader = leader;
+		evsel->leader = leader;
 	}
 }
 
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