[S390] Enable tick based perf_counter on s390.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-06-22 12:08:22 +02:00
parent 181d95229b
commit 12310e9c1b
3 changed files with 15 additions and 0 deletions
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -13,6 +13,12 @@
 #define cpu_relax()	asm volatile ("" ::: "memory");
 #endif

+#ifdef __s390__
+#include "../../arch/s390/include/asm/unistd.h"
+#define rmb()		asm volatile("bcr 15,0" ::: "memory")
+#define cpu_relax()	asm volatile("" ::: "memory");
+#endif
+
 #include <time.h>
 #include <unistd.h>
 #include <sys/types.h>