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-rw-r--r--tools/perf/arch/x86/util/tsc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/tsc.c b/tools/perf/arch/x86/util/tsc.c
index eb2b5195bd02..9b99f48b923c 100644
--- a/tools/perf/arch/x86/util/tsc.c
+++ b/tools/perf/arch/x86/util/tsc.c
@@ -2,6 +2,7 @@
#include <linux/types.h>
#include <math.h>
#include <string.h>
+#include <stdlib.h>
#include "../../../util/debug.h"
#include "../../../util/tsc.h"