1 files changed, 4 insertions, 0 deletions

diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
index 437eea58ce40..02d1fa1c2465 100644
--- a/tools/perf/util/debug.h
+++ b/tools/perf/util/debug.h
@@ -1,4 +1,6 @@
 /* For debugging general purposes */
+#ifndef __PERF_DEBUG_H
+#define __PERF_DEBUG_H
 
 extern int verbose;
 extern int dump_trace;
@@ -6,3 +8,5 @@ extern int dump_trace;
 int eprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
 int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
 void trace_event(event_t *event);
+
+#endif  /* __PERF_DEBUG_H */