2 files changed, 5 insertions, 1 deletions

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 30e6b374e095..f17dc601b0f3 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1284,7 +1284,8 @@ static void uniquify_event_name(struct perf_evsel *counter)
         char *new_name;
         char *config;
 
-        if (!counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
+        if (counter->uniquified_name ||
+            !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
                                            strlen(counter->pmu_name)))
                 return;
 
@@ -1302,6 +1303,8 @@ static void uniquify_event_name(struct perf_evsel *counter)
                         counter->name = new_name;
                 }
         }
+
+        counter->uniquified_name = true;
 }
 
 static void collect_all_aliases(struct perf_evsel *counter,
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index d3ee3af618ef..92ec009a292d 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -115,6 +115,7 @@ struct perf_evsel {
         unsigned int            sample_size;
         int                     id_pos;
         int                     is_pos;
+        bool                    uniquified_name;
         bool                    snapshot;
         bool                    supported;
         bool                    needs_swap;