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| author |   Jens Axboe <jens.axboe@oracle.com> | 2009-09-04 02:56:22 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-09-04 02:56:22 -0700 |
| commit | 825c9fb47a0837db12fecf8d360e0e1d284ddb49 (patch) | |
| tree | 555effec5a598bb8de43fc49b801b8ef403f5ffd /arch/sparc | |
| parent | Merge branch 'master' of /home/davem/src/GIT/linux-2.6/ (diff) | |
| download | linux-dev-825c9fb47a0837db12fecf8d360e0e1d284ddb49.tar.xz linux-dev-825c9fb47a0837db12fecf8d360e0e1d284ddb49.zip | |
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: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/Kconfig | 2 | ||||
| -rw-r--r-- | arch/sparc/include/asm/perf_counter.h | 8 | ||||
| -rw-r--r-- | arch/sparc/include/asm/unistd.h | 3 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_32.S | 2 | ||||
| -rw-r--r-- | arch/sparc/kernel/systbls_64.S | 4 |
5 files changed, 15 insertions, 4 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index b847f880eeca..2aa7cd39b481 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -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 diff --git a/arch/sparc/include/asm/perf_counter.h b/arch/sparc/include/asm/perf_counter.h new file mode 100644 index 000000000000..f07c587a8304 --- /dev/null +++ b/arch/sparc/include/asm/perf_counter.h @@ -0,0 +1,8 @@ +#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 diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index b2c406de7d4f..706df669f3b8 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -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, diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 690901657291..04181577cb65 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -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 diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 2ee7250ba7ae..91b06b7f7acf 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -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 |