aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/arch
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/arch')
-rw-r--r--tools/perf/arch/x86/util/evlist.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/tools/perf/arch/x86/util/evlist.c b/tools/perf/arch/x86/util/evlist.c
index 8d9b55959256..cfc208d71f00 100644
--- a/tools/perf/arch/x86/util/evlist.c
+++ b/tools/perf/arch/x86/util/evlist.c
@@ -20,17 +20,27 @@ int arch_evlist__add_default_attrs(struct evlist *evlist)
struct evsel *arch_evlist__leader(struct list_head *list)
{
- struct evsel *evsel, *first;
+ struct evsel *evsel, *first, *slots = NULL;
+ bool has_topdown = false;
first = list_first_entry(list, struct evsel, core.node);
if (!pmu_have_event("cpu", "slots"))
return first;
+ /* If there is a slots event and a topdown event then the slots event comes first. */
__evlist__for_each_entry(list, evsel) {
- if (evsel->pmu_name && !strcmp(evsel->pmu_name, "cpu") &&
- evsel->name && strcasestr(evsel->name, "slots"))
- return evsel;
+ if (evsel->pmu_name && !strcmp(evsel->pmu_name, "cpu") && evsel->name) {
+ if (strcasestr(evsel->name, "slots")) {
+ slots = evsel;
+ if (slots == first)
+ return first;
+ }
+ if (!strncasecmp(evsel->name, "topdown", 7))
+ has_topdown = true;
+ if (slots && has_topdown)
+ return slots;
+ }
}
return first;
}