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-rw-r--r--tools/perf/perf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 9dc346f2b255..07ee1352f4ed 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -22,6 +22,7 @@
#include <pthread.h>
#include <stdlib.h>
#include <time.h>
+#include <linux/kernel.h>
const char perf_usage_string[] =
"perf [--version] [--help] [OPTIONS] COMMAND [ARGS]";