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FRV: Add basic performance counter support
Add basic performance counter support to the FRV arch. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -7,6 +7,7 @@ config FRV
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default y
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select HAVE_IDE
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select HAVE_ARCH_TRACEHOOK
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select HAVE_PERF_COUNTERS
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config ZONE_DMA
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bool
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17
arch/frv/include/asm/perf_counter.h
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17
arch/frv/include/asm/perf_counter.h
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@ -0,0 +1,17 @@
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/* FRV performance counter support
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*
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* Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_PERF_COUNTER_H
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#define _ASM_PERF_COUNTER_H
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#define PERF_COUNTER_INDEX_OFFSET 0
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#endif /* _ASM_PERF_COUNTER_H */
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@ -5,4 +5,4 @@
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lib-y := \
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__ashldi3.o __lshrdi3.o __muldi3.o __ashrdi3.o __negdi2.o __ucmpdi2.o \
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checksum.o memcpy.o memset.o atomic-ops.o atomic64-ops.o \
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outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o
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outsl_ns.o outsl_sw.o insl_ns.o insl_sw.o cache.o perf_counter.o
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19
arch/frv/lib/perf_counter.c
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arch/frv/lib/perf_counter.c
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@ -0,0 +1,19 @@
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/* Performance counter handling
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*
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* Copyright (C) 2009 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#include <linux/perf_counter.h>
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/*
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* mark the performance counter as pending
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*/
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void set_perf_counter_pending(void)
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{
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}
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