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-rw-r--r--tools/perf/util/pmu.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 6199a3174ab9..e0429f4ef335 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -732,10 +732,20 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu)
if (!is_arm_pmu_core(name)) {
pname = pe->pmu ? pe->pmu : "cpu";
+
+ /*
+ * uncore alias may be from different PMU
+ * with common prefix
+ */
+ if (pmu_is_uncore(name) &&
+ !strncmp(pname, name, strlen(pname)))
+ goto new_alias;
+
if (strcmp(pname, name))
continue;
}
+new_alias:
/* need type casts to override 'const' */
__perf_pmu__new_alias(head, NULL, (char *)pe->name,
(char *)pe->desc, (char *)pe->event,