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Diffstat (limited to 'tools/perf/arch/x86/util/evlist.c')
-rw-r--r--tools/perf/arch/x86/util/evlist.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/evlist.c b/tools/perf/arch/x86/util/evlist.c
index 0b0951030a2f..f924246eff78 100644
--- a/tools/perf/arch/x86/util/evlist.c
+++ b/tools/perf/arch/x86/util/evlist.c
@@ -17,3 +17,20 @@ int arch_evlist__add_default_attrs(struct evlist *evlist)
else
return parse_events(evlist, TOPDOWN_L1_EVENTS, NULL);
}
+
+struct evsel *arch_evlist__leader(struct list_head *list)
+{
+ struct evsel *evsel, *first;
+
+ first = list_first_entry(list, struct evsel, core.node);
+
+ if (!pmu_have_event("cpu", "slots"))
+ return first;
+
+ __evlist__for_each_entry(list, evsel) {
+ if (evsel->pmu_name && !strcmp(evsel->pmu_name, "cpu") &&
+ evsel->name && strstr(evsel->name, "slots"))
+ return evsel;
+ }
+ return first;
+}