perfcounter tools: make rdclock an inline function
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/Documentation/perf_counter/perf.h b/Documentation/perf_counter/perf.h
index 391fcc7..fb14230 100644
--- a/Documentation/perf_counter/perf.h
+++ b/Documentation/perf_counter/perf.h
@@ -8,13 +8,17 @@
#define PR_TASK_PERF_COUNTERS_DISABLE 31
#define PR_TASK_PERF_COUNTERS_ENABLE 32
-#define rdclock() \
-({ \
- struct timespec ts; \
- \
- clock_gettime(CLOCK_MONOTONIC, &ts); \
- ts.tv_sec * 1000000000ULL + ts.tv_nsec; \
-})
+#ifndef NSEC_PER_SEC
+# define NSEC_PER_SEC 1000000000ULL
+#endif
+
+static inline unsigned long long rdclock(void)
+{
+ struct timespec ts;
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+ return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
+}
/*
* Pick up some kernel type conventions: