perf, ARC: Enable building perf tools for ARC
Although with uClibc there's more we need to do
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 2c340e7..8a68ad3 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -98,6 +98,12 @@
#define CPUINFO_PROC "cpu model"
#endif
+#ifdef __arc__
+#define rmb() asm volatile("" ::: "memory")
+#define cpu_relax() rmb()
+#define CPUINFO_PROC "Processor"
+#endif
+
#include <time.h>
#include <unistd.h>
#include <sys/types.h>