perf: Enable building perf tools for Meta
Define rmb(), cpu_relax(), and CPUINFO_PROC for Meta so that the perf
tools can be built for Meta.
Signed-off-by: James Hogan <james.hogan@imgtec.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..768507e 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -98,6 +98,12 @@
#define CPUINFO_PROC "cpu model"
#endif
+#ifdef __metag__
+#define rmb() asm volatile("" ::: "memory")
+#define cpu_relax() asm volatile("" ::: "memory")
+#define CPUINFO_PROC "CPU"
+#endif
+
#include <time.h>
#include <unistd.h>
#include <sys/types.h>