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-rw-r--r--tools/perf/util/sort.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 32ade5a1b553..b974a2c3a3c5 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2,6 +2,7 @@
#include <errno.h>
#include <inttypes.h>
#include <regex.h>
+#include <stdlib.h>
#include <linux/mman.h>
#include <linux/time64.h>
#include "debug.h"