1 files changed, 4 insertions, 0 deletions

diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index a6b83f8ebef8..0d85209db8f1 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -198,6 +198,10 @@ static inline int has_extension(const char *filename, const char *ext)
 #undef tolower
 #undef toupper
 
+#ifndef NSEC_PER_MSEC
+#define NSEC_PER_MSEC   1000000L
+#endif
+
 extern unsigned char sane_ctype[256];
 #define GIT_SPACE               0x01
 #define GIT_DIGIT               0x02