Commit 12310e9c authored by Martin Schwidefsky's avatar Martin Schwidefsky
Browse files

[S390] Enable tick based perf_counter on s390. 



Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 181d9522

arch/s390/Kconfig

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@@ -94,6 +94,7 @@ config S390 
	select HAVE_KVM if 64BIT

	select HAVE_ARCH_TRACEHOOK

	select INIT_ALL_POSSIBLE

	select HAVE_PERF_COUNTERS



source "init/Kconfig"

arch/s390/include/asm/perf_counter.h

0 → 100644
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/*

 * Performance counter support - s390 specific definitions.

 *

 * Copyright 2009 Martin Schwidefsky, IBM Corporation.

 */



static inline void set_perf_counter_pending(void) {}

static inline void clear_perf_counter_pending(void) {}

tools/perf/perf.h

+6 −0
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@@ -13,6 +13,12 @@ 
#define cpu_relax()	asm volatile ("" ::: "memory");

#endif



#ifdef __s390__

#include "../../arch/s390/include/asm/unistd.h"

#define rmb()		asm volatile("bcr 15,0" ::: "memory")

#define cpu_relax()	asm volatile("" ::: "memory");

#endif



#include <time.h>

#include <unistd.h>

#include <sys/types.h>