linux-kernel - Re: PMTMR running too fast

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Date:	Wed, 06 Dec 2006 08:14:23 +0000
From:	Ian Campbell <ijc@...lion.org.uk>
To:	john stultz <johnstul@...ibm.com>
Cc:	linux-kernel@...r.kernel.org, Andi Kleen <ak@...e.de>
Subject: Re: PMTMR running too fast

On Tue, 2006-12-05 at 11:34 -0800, john stultz wrote:
> On Tue, 2006-12-05 at 07:41 +0000, Ian Campbell wrote:
> > Should tsc be preferred to pit though?
> 
> Depends on your system. If C2/C3 or cpufreq state changes are detected,
> we mark the tsc as unstable. 

I'm not using them on purpose but I'll check it out.

> It sounds as if from your earlier email the TSC works fine, so we might
> want to look at what's making the system think its not ok. I probably
> need to add a message as to why it was disqualified. However, that's a
> separate issue from the last patch.

I'll have a play, see if I can figure it out.

> Thanks for the testing!

Thanks for the fix!

Ian.

-- 
Ian Campbell

* Turken thinks little kids are absolutely adorable... especialyy when
  they're someone elses.

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