From: Vineet Gupta <vgupta@synopsys.com>
Date: Fri, 18 Jan 2013 09:42:24 +0000 (+0530)
Subject: perf, ARC: Enable building perf tools for ARC
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9854783e55d5f42a0ea3e951fad3a5910023c1b1;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

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 2c340e7da45..8a68ad39e1b 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -98,6 +98,12 @@ void get_term_dimensions(struct winsize *ws);
 #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>