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-rwxr-xr-xtools/perf/scripts/python/parallel-perf.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/scripts/python/parallel-perf.py b/tools/perf/scripts/python/parallel-perf.py
index 21f32ec5ed46..be85fd7f6632 100755
--- a/tools/perf/scripts/python/parallel-perf.py
+++ b/tools/perf/scripts/python/parallel-perf.py
@@ -439,7 +439,8 @@ def ProcessCommandOutputLines(cmd, per_cpu, fn, *x):
pat = re.compile(r"\s*\[[0-9]+\]")
p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
while True:
- if line := p.stdout.readline():
+ line = p.stdout.readline()
+ if line:
line = line.decode("utf-8")
if pat.match(line):
line = line.split()