linux-kernel - Re: [patch] perf: use proper dTLB-load-misses event on Ivybridge

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Message-ID: <20140714195259.GD5803@tassilo.jf.intel.com>
Date:	Mon, 14 Jul 2014 12:52:59 -0700
From:	Andi Kleen <ak@...ux.intel.com>
To:	Vince Weaver <vincent.weaver@...ne.edu>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Stephane Eranian <eranian@...il.com>
Subject: Re: [patch] perf: use proper dTLB-load-misses event on Ivybridge

On Mon, Jul 14, 2014 at 03:33:25PM -0400, Vince Weaver wrote:
> 
> This was discussed back in February 
> 	https://lkml.org/lkml/2014/2/18/956
> But I never saw a patch come out of it.
> 
> On Ivybridge we share the Sandybridge cache event tables, but the
> dTLB-load-miss event is not compatible.  Patch it up after
> the fact to the proper DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK

There is much more wrong. I've been working on revamping the whole
tables.

-Andi
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