Drop adding a pending metric if there is an existing one.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/pmu-events/jevents.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 8d2cecb87e88..7b4239e8b08b 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -473,7 +473,7 @@ def add_events_table_entries(item: os.DirEntry, topic: str) -> None:
   for e in read_json_events(item.path, topic):
     if e.name:
       _pending_events.append(e)
-    if e.metric_name:
+    if e.metric_name and not any(e.metric_name == x.metric_name for x in _pending_metrics):
       _pending_metrics.append(e)
 
 
-- 
2.46.1.824.gd892dcdcdd-goog