1 files changed, 2 insertions, 2 deletions

diff --git a/tools/perf/python/twatch.py b/tools/perf/python/twatch.py
index 5e9f3b7b7ee8..df638c438a9f 100755
--- a/tools/perf/python/twatch.py
+++ b/tools/perf/python/twatch.py
@@ -23,9 +23,9 @@ def main():
                            sample_id_all = 1,
                            sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID)
         evsel.open(cpus = cpus, threads = threads);
-        evlist = perf.evlist()
+        evlist = perf.evlist(cpus, threads)
         evlist.add(evsel)
-        evlist.mmap(cpus = cpus, threads = threads)
+        evlist.mmap()
         while True:
                 evlist.poll(timeout = -1)
                 for cpu in cpus: