linux-kernel - Re: [PATCH V6 06/13] perf: Add Nehalem and Sandy Bridge uncore support

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Message-ID: <20120615184331.GL11413@one.firstfloor.org>
Date:	Fri, 15 Jun 2012 20:43:31 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	"Yan, Zheng" <zheng.z.yan@...el.com>, mingo@...e.hu,
	jolsa@...hat.com, eranian@...gle.com, andi@...stfloor.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V6 06/13] perf: Add Nehalem and Sandy Bridge uncore support

On Fri, Jun 15, 2012 at 05:28:27PM +0200, Peter Zijlstra wrote:
> On Fri, 2012-06-15 at 14:31 +0800, Yan, Zheng wrote:
> > @@ -808,6 +994,14 @@ static int __init uncore_cpu_init(void)
> >         int ret, cpu;
> >  
> >         switch (boot_cpu_data.x86_model) {
> > +       case 26: /* Nehalem */
> > +       case 30:
> > +       case 37: /* Westmere */
> > +               msr_uncores = nhm_msr_uncores;
> > +               break;
> > +       case 42: /* Sandy Bridge */
> > +               msr_uncores = snb_msr_uncores;
> > +               break; 
> 
> What about WSP-EP (44)? Does it have an uncore similar to the regular
> WSM (37) or WSM-EX / Xeon-E7 (47) ?
> 
> NHM-EX and WSM-EX are similar again, and not (yet) supported by these
> patches, right?

(NHM,WSM)-EX uncores are completely different from EP and need a new driver.

-Andi
> 

-- 
ak@...ux.intel.com -- Speaking for myself only.
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