1 files changed, 1 insertions, 0 deletions

diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 1b96a3122228..5e4803158672 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -364,6 +364,7 @@ static struct perf_tool tool = {
         .exit   = perf_event__process_exit,
         .fork   = perf_event__process_fork,
         .lost   = perf_event__process_lost,
+        .namespaces = perf_event__process_namespaces,
         .ordered_events = true,
         .ordering_requires_timestamps = true,
 };