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Commit 42ca4fb6 authored by David Howells's avatar David Howells Committed by Linus Torvalds
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FRV: Add basic performance counter support 



Add basic performance counter support to the FRV arch.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 00460f41

arch/frv/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ config FRV 
	default y

	select HAVE_IDE

	select HAVE_ARCH_TRACEHOOK

	select HAVE_PERF_COUNTERS



config ZONE_DMA

	bool

arch/frv/include/asm/perf_counter.h

0 → 100644
+17 −0
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/* FRV performance counter support

 *

 * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.

 * Written by David Howells (dhowells@redhat.com)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public Licence

 * as published by the Free Software Foundation; either version

 * 2 of the Licence, or (at your option) any later version.

 */



#ifndef _ASM_PERF_COUNTER_H

#define _ASM_PERF_COUNTER_H



#define PERF_COUNTER_INDEX_OFFSET	0



#endif /* _ASM_PERF_COUNTER_H */

arch/frv/lib/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -5,4 +5,4 @@ 
lib-y := \

	__ashldi3.o __lshrdi3.o __muldi3.o __ashrdi3.o __negdi2.o __ucmpdi2.o \

	checksum.o memcpy.o memset.o atomic-ops.o atomic64-ops.o \

	outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o
 
	outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o perf_counter.o

arch/frv/lib/perf_counter.c

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+19 −0
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/* Performance counter handling

 *

 * Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.

 * Written by David Howells (dhowells@redhat.com)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public Licence

 * as published by the Free Software Foundation; either version

 * 2 of the Licence, or (at your option) any later version.

 */



#include <linux/perf_counter.h>



/*

 * mark the performance counter as pending

 */

void set_perf_counter_pending(void)

{

}