linux-kernel - Re: perf: hsw model numbers

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Message-ID: <20131211112414.GA22034@pd.tnic>
Date:	Wed, 11 Dec 2013 12:24:14 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	andi@...stfloor.org, Ingo Molnar <mingo@...nel.org>,
	linux-kernel@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: perf: hsw model numbers

On Wed, Dec 11, 2013 at 11:36:31AM +0100, Peter Zijlstra wrote:
> Hi Andi,
> 
> arch/x86/kernel/cpu/perf_event_intel.c
> 
> 3a632cb229bfb (Andi Kleen       2013-06-17 17:36:48 -0700 2500)         case 60: /* Haswell Client */
> 3a632cb229bfb (Andi Kleen       2013-06-17 17:36:48 -0700 2501)         case 70:
> 3a632cb229bfb (Andi Kleen       2013-06-17 17:36:48 -0700 2502)         case 71:
> 3a632cb229bfb (Andi Kleen       2013-06-17 17:36:48 -0700 2503)         case 63:
> 0499bd867bd17 (Andi Kleen       2013-08-08 17:26:23 -0700 2504)         case 69:
> 
> Can you add comments with each model number describing what actual part
> it is?
> 
> Also, we seem to lack snb/ivb EX part numbers, are those already known?

Yeah, it would be nice if Intel generally documented that whole model
mapping somewhere. For example, I spent some serious time grepping and
searching the net what family 6, model 47 actually is.

I asked hpa at some point about such doc and he said, CPUID doc needs to
get updated.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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