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-rw-r--r--tools/perf/util/sort.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 47966a1618c7..f5ba111cd9fb 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2445,6 +2445,9 @@ static char *prefix_if_not_in(const char *pre, char *str)
static char *setup_overhead(char *keys)
{
+ if (sort__mode == SORT_MODE__DIFF)
+ return keys;
+
keys = prefix_if_not_in("overhead", keys);
if (symbol_conf.cumulate_callchain)