linux-kernel - Re: [PATCH 2/3] perf: Add support for extra parameters for raw events

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Date:	Thu, 11 Nov 2010 21:37:38 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Andi Kleen <ak@...ux.intel.com>, linux-kernel@...r.kernel.org,
	fweisbec@...il.com, mingo@...e.hu, acme@...hat.com,
	eranian@...gle.com
Subject: Re: [PATCH 2/3] perf: Add support for extra parameters for raw
 events

On Thu, 2010-11-11 at 21:12 +0100, Andi Kleen wrote:
> > Also, I think we can use the same mechanism to program the
> > PEBS-load-latency MSR, right?
> 
> I haven't looked at that, but if it's a per core resource
> the infrastructure can be reused at least. 

Can't remember if the load-latency msr is per-core, but its an extra reg
that needs to be set.

The nhm/wsm LBR config msr is per-core though, so that could use your
infrastructure too.
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