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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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