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Commit 825c9fb4 authored by Jens Axboe's avatar Jens Axboe Committed by David S. Miller
Browse files

sparc: add basic support for 'perf' 



This wires up the perf_counter_open() syscall so that basic
software support for perf is working.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a29889a5

arch/sparc/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ config SPARC 
	select ARCH_WANT_OPTIONAL_GPIOLIB

	select RTC_CLASS

	select RTC_DRV_M48T59

	select HAVE_PERF_COUNTERS



config SPARC32

	def_bool !64BIT
@@ -44,6 +45,7 @@ config SPARC64 
	select RTC_DRV_BQ4802

	select RTC_DRV_SUN4V

	select RTC_DRV_STARFIRE

	select HAVE_PERF_COUNTERS



config ARCH_DEFCONFIG

	string

arch/sparc/include/asm/perf_counter.h

0 → 100644
+8 −0
Original line number Diff line number Diff line 
#ifndef __ASM_SPARC_PERF_COUNTER_H

#define __ASM_SPARC_PERF_COUNTER_H



static inline void set_perf_counter_pending(void) { }



#define	PERF_COUNTER_INDEX_OFFSET	0



#endif

arch/sparc/include/asm/unistd.h

+2 −1
Original line number Diff line number Diff line
@@ -395,8 +395,9 @@ 
#define __NR_preadv		324

#define __NR_pwritev		325

#define __NR_rt_tgsigqueueinfo	326

#define __NR_perf_counter_open	327



#define NR_SYSCALLS		327

#define NR_SYSCALLS		328



#ifdef __32bit_syscall_numbers__

/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,

arch/sparc/kernel/systbls_32.S

+1 −1
Original line number Diff line number Diff line
@@ -82,5 +82,5 @@ sys_call_table: 
/*310*/	.long sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate

/*315*/	.long sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1

/*320*/	.long sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv

/*325*/	.long sys_pwritev, sys_rt_tgsigqueueinfo

/*325*/	.long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open

arch/sparc/kernel/systbls_64.S

+2 −2
Original line number Diff line number Diff line
@@ -83,7 +83,7 @@ sys_call_table32: 
/*310*/	.word compat_sys_utimensat, compat_sys_signalfd, sys_timerfd_create, sys_eventfd, compat_sys_fallocate

	.word compat_sys_timerfd_settime, compat_sys_timerfd_gettime, compat_sys_signalfd4, sys_eventfd2, sys_epoll_create1

/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, compat_sys_preadv

	.word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo

	.word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_counter_open



#endif /* CONFIG_COMPAT */
@@ -158,4 +158,4 @@ sys_call_table: 
/*310*/	.word sys_utimensat, sys_signalfd, sys_timerfd_create, sys_eventfd, sys_fallocate

	.word sys_timerfd_settime, sys_timerfd_gettime, sys_signalfd4, sys_eventfd2, sys_epoll_create1

/*320*/	.word sys_dup3, sys_pipe2, sys_inotify_init1, sys_accept4, sys_preadv

	.word sys_pwritev, sys_rt_tgsigqueueinfo
 
	.word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_counter_open