linux-kernel - [RFC Patch v1 49/55] perf, ARC: Enable building perf tools for ARC

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Date:	Mon, 12 Nov 2012 17:19:07 +0530
From:	<Vineet.Gupta1@...opsys.com>
To:	<linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:	<tglx@...utronix.de>, <arnd@...db.de>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Subject: [RFC Patch v1 49/55] perf, ARC: Enable building perf tools for ARC

From: Vineet Gupta <vgupta@...opsys.com>

Although with uClibc there's more we need to do

Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
---
 tools/perf/perf.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index c50985e..1006b17 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -107,6 +107,12 @@ 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>
-- 
1.7.4.1

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