Re: [PATCH v2 1/4] perf tools: arm64: Copy perf_regs.h from the kernel

[Leo Yan]

On Tue, May 17, 2022 at 11:20:02AM +0100, James Clark wrote:
> Get the updated header for the newly added VG register.
> 
> Signed-off-by: James Clark <james.clark@xxxxxxx>

Reviewed-by: Leo Yan <leo.yan@xxxxxxxxxx>

> ---
>  tools/arch/arm64/include/uapi/asm/perf_regs.h | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/arch/arm64/include/uapi/asm/perf_regs.h b/tools/arch/arm64/include/uapi/asm/perf_regs.h
> index d54daafa89e3..fd157f46727e 100644
> --- a/tools/arch/arm64/include/uapi/asm/perf_regs.h
> +++ b/tools/arch/arm64/include/uapi/asm/perf_regs.h
> @@ -36,6 +36,11 @@ enum perf_event_arm_regs {
>  	PERF_REG_ARM64_LR,
>  	PERF_REG_ARM64_SP,
>  	PERF_REG_ARM64_PC,
> -	PERF_REG_ARM64_MAX,
> +
> +	/* Extended/pseudo registers */
> +	PERF_REG_ARM64_VG = 46, // SVE Vector Granule
> +
> +	PERF_REG_ARM64_MAX = PERF_REG_ARM64_PC + 1,
> +	PERF_REG_ARM64_EXTENDED_MAX = PERF_REG_ARM64_VG + 1
>  };
>  #endif /* _ASM_ARM64_PERF_REGS_H */
> -- 
> 2.28.0
>