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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-06-22 16:35:24 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-25 21:39:06 +0200 |
| commit | 194002b274e9169a04beb1b23dcc132159bb566c (patch) | |
| tree | 6977e48df4a1429dae999d4afe23e5e28febc99e /arch/powerpc | |
| parent | 7f8b4e4e0988dadfd22330fd147ad2453e19f510 (diff) | |
| download | linux-194002b274e9169a04beb1b23dcc132159bb566c.tar.bz2 | |
perf_counter, x86: Add mmap counter read support
Update the mmap control page with the needed information to
use the userspace RDPMC instruction for self monitoring.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/perf_counter.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/perf_counter.h b/arch/powerpc/include/asm/perf_counter.h index 8ccd4e155768..0ea0639fcf75 100644 --- a/arch/powerpc/include/asm/perf_counter.h +++ b/arch/powerpc/include/asm/perf_counter.h @@ -61,6 +61,8 @@ struct pt_regs; extern unsigned long perf_misc_flags(struct pt_regs *regs); extern unsigned long perf_instruction_pointer(struct pt_regs *regs); +#define PERF_COUNTER_INDEX_OFFSET 1 + /* * Only override the default definitions in include/linux/perf_counter.h * if we have hardware PMU support. |