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-rw-r--r--tools/perf/util/evlist.c25
-rw-r--r--tools/perf/util/evlist.h1
2 files changed, 26 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 6ea3e677dc1e..6ba9664089bd 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -2161,3 +2161,28 @@ int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf)
return printed;
}
+
+void evlist__check_mem_load_aux(struct evlist *evlist)
+{
+ struct evsel *leader, *evsel, *pos;
+
+ /*
+ * For some platforms, the 'mem-loads' event is required to use
+ * together with 'mem-loads-aux' within a group and 'mem-loads-aux'
+ * must be the group leader. Now we disable this group before reporting
+ * because 'mem-loads-aux' is just an auxiliary event. It doesn't carry
+ * any valid memory load information.
+ */
+ evlist__for_each_entry(evlist, evsel) {
+ leader = evsel->leader;
+ if (leader == evsel)
+ continue;
+
+ if (leader->name && strstr(leader->name, "mem-loads-aux")) {
+ for_each_group_evsel(pos, leader) {
+ pos->leader = pos;
+ pos->core.nr_members = 0;
+ }
+ }
+ }
+}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index a8b97b50cceb..2073cfa79f79 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -367,4 +367,5 @@ int evlist__ctlfd_ack(struct evlist *evlist);
struct evsel *evlist__find_evsel(struct evlist *evlist, int idx);
int evlist__scnprintf_evsels(struct evlist *evlist, size_t size, char *bf);
+void evlist__check_mem_load_aux(struct evlist *evlist);
#endif /* __PERF_EVLIST_H */