perfcounter tools: make rdclock an inline function

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
git-mirror · May 1, 2009 · a92e702 · a92e702
1 parent 6eda583
commit a92e702
Showing 1 changed file with 11 additions and 7 deletions.
diff --git 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: