From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <michael@ellerman.id.au>
Subject: Re: [PATCH 3/3] powerpc perf_event: Add alignment-faults and
	emulation-faults software events
From: Michael Ellerman <michael@ellerman.id.au>
To: Anton Blanchard <anton@samba.org>
In-Reply-To: <20091018111300.GM4808@kryten>
References: <20091018110929.GK4808@kryten> <20091018111126.GL4808@kryten>
	<20091018111300.GM4808@kryten>
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Date: Mon, 19 Oct 2009 10:50:05 +1100
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	linuxppc-dev@ozlabs.org, paulus@samba.org, mingo@elte.hu
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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.
>=20
> Signed-off-by: Anton Blanchard <anton@samba.org>
> ---
>=20
> Index: linux.trees.git/arch/powerpc/include/asm/emulated_ops.h
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> --- 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
> =20
>  #include <asm/atomic.h>
> +#include <linux/perf_event.h>
> =20
>=20
>  #ifdef CONFIG_PPC_EMULATED_STATS
> @@ -71,7 +72,18 @@ extern void ppc_warn_emulated_print(cons
> =20
>  #endif /* !CONFIG_PPC_EMULATED_STATS */
> =20
> -#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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