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SubjectRe: [PATCH 3/3] powerpc perf_event: Add alignment-faults and emulation-faults software events
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On Sun, 2009-10-18 at 22:13 +1100, Anton Blanchard wrote:
> Hook up the alignment-faults and emulation-faults events for powerpc.
>
> Signed-off-by: Anton Blanchard <anton@samba.org>
> ---
>
> Index: linux.trees.git/arch/powerpc/include/asm/emulated_ops.h
> ===================================================================
> --- linux.trees.git.orig/arch/powerpc/include/asm/emulated_ops.h 2009-09-22 13:45:07.000000000 +1000
> +++ linux.trees.git/arch/powerpc/include/asm/emulated_ops.h 2009-09-22 13:45:27.000000000 +1000
> @@ -19,6 +19,7 @@
> #define _ASM_POWERPC_EMULATED_OPS_H
>
> #include <asm/atomic.h>
> +#include <linux/perf_event.h>
>
>
> #ifdef CONFIG_PPC_EMULATED_STATS
> @@ -71,7 +72,18 @@ extern void ppc_warn_emulated_print(cons
>
> #endif /* !CONFIG_PPC_EMULATED_STATS */
>
> -#define PPC_WARN_EMULATED(type, regs) __PPC_WARN_EMULATED(type)
> -#define PPC_WARN_ALIGNMENT(type, regs) __PPC_WARN_EMULATED(type)
> +#define PPC_WARN_EMULATED(type, regs) \
> + do { \
> + perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \
> + 1, 0, regs, 0); \
> + __PPC_WARN_EMULATED(type); \
> + } while (0)
> +
> +#define PPC_WARN_ALIGNMENT(type, regs) \
> + do { \
> + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \
> + 1, 0, regs, regs->dar); \
> + __PPC_WARN_EMULATED(type); \
> + } while (0)

Does that work with perfxxx configured off?

cheers
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