sparc: add basic support for 'perf'

This wires up the perf_counter_open() syscall so that basic
software support for perf is working.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 0 deletions

diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index e5148e2b6134..2abeb20d0bf3 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -41,6 +41,12 @@
 #define cpu_relax()     asm volatile("" ::: "memory");
 #endif
 
+#ifdef __sparc__
+#include "../../arch/sparc/include/asm/unistd.h"
+#define rmb()           asm volatile("":::"memory")
+#define cpu_relax()     asm volatile("":::"memory")
+#endif
+
 #include <time.h>
 #include <unistd.h>
 #include <sys/types.h>