linux-kernel - Re: [perfmon2] [PATCH 2/2] perf_events: add event constraints support for Intel processors

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Date:	Tue, 6 Oct 2009 14:57:41 -0400 (EDT)
From:	Vince Weaver <vince@....cornell.edu>
To:	eranian@...il.com
cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	perfmon2-devel@...ts.sf.net, mingo@...e.hu, paulus@...ba.org,
	linux-kernel@...r.kernel.org
Subject: Re: [perfmon2] [PATCH 2/2] perf_events: add event constraints support
 for Intel processors

On Tue, 6 Oct 2009, stephane eranian wrote:

> On Tue, Oct 6, 2009 at 6:29 PM, Peter Zijlstra <a.p.zijlstra@...llo.nl> wrote:
> > On Tue, 2009-10-06 at 16:42 +0200, Stephane Eranian wrote:
> 
> > I don't actually have that hardware, so I can't test it.
> >
> I don't have that either but I can find people who have that.

I have Yonah hardware and would be glad to run tests.

For what it's worth, the perfmon2 Yonah support (at least on the laptop I 
have) stopped working after 2.6.23.  It looked like a problem with 
interrupts not being delivered properly.  I never had time to track down 
if it was a perfmon2 issue or a generic kernel issue.  It was still broken 
as of 2.6.29

Vince
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