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-rwxr-xr-xtools/perf/python/treport.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/python/treport.py b/tools/perf/python/treport.py
index 43542599a884..786b852f471c 100755
--- a/tools/perf/python/treport.py
+++ b/tools/perf/python/treport.py
@@ -92,7 +92,7 @@ class ProfileNode:
try:
assert session
thread = session.find_thread(sample.sample_tid)
- comm = thread.comm()
+ comm = (thread.comm() if thread else None) or f"unknown ({pid})"
except Exception:
comm = f"unknown ({pid})"