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-rw-r--r--tools/perf/tests/switch-tracking.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c
index 7ddbe267d0ac..65474fd80da7 100644
--- a/tools/perf/tests/switch-tracking.c
+++ b/tools/perf/tests/switch-tracking.c
@@ -1,5 +1,6 @@
#include <sys/time.h>
#include <sys/prctl.h>
+#include <errno.h>
#include <time.h>
#include <stdlib.h>