linux-kernel - Re: [PATCH] Add Xeon 7500 series support to oprofile

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Date:	Thu, 21 Jan 2010 21:14:18 -0500
From:	Valdis.Kletnieks@...edu
To:	Andi Kleen <andi@...stfloor.org>
Cc:	linux-kernel@...r.kernel.org, x86@...nel.org,
	robert.richter@....com, oprofile-list@...ts.sf.net
Subject: Re: [PATCH] Add Xeon 7500 series support to oprofile

On Thu, 21 Jan 2010 23:26:27 +0100, Andi Kleen said:
> Add Xeon 7500 series support to oprofile
> 
> Straight forward: it's the same as Core i7, so just detect
> the model number. No user space changes needed.
> 
> Very simple patch, so it could be still merged for .33?
> 
> Signed-off-by: Andi Kleen <ak@...ux.intel.com>
> 
> ---
>  arch/x86/oprofile/nmi_int.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> Index: linux/arch/x86/oprofile/nmi_int.c
> ===================================================================
> --- linux.orig/arch/x86/oprofile/nmi_int.c
> +++ linux/arch/x86/oprofile/nmi_int.c
> @@ -598,6 +598,7 @@ static int __init ppro_init(char **cpu_t
>  	case 15: case 23:
>  		*cpu_type = "i386/core_2";
>  		break;
> +	case 0x2e:
>  	case 26:
>  		spec = &op_arch_perfmon_spec;
>  		*cpu_type = "i386/core_i7";


I'll bite - why a hex constant rather than the decimal values nearby?

Also, should we do something about *cpu_type so it isn't confusing on a 7500
reporting itself as a i7?


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