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Re: [Xen-devel] HPET/PIT timer accuracy

To: "Ronald G. Minnich" <rminnich@xxxxxxxx>
Subject: Re: [Xen-devel] HPET/PIT timer accuracy
From: Benjamin LaHaise <bcrl@xxxxxxxxx>
Date: Fri, 29 Jul 2005 21:33:30 -0400
Cc: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, xen-devel List <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Fri, Jul 29, 2005 at 11:51:19AM -0600, Ronald G. Minnich wrote:
> I can only tell you we've seen weird numbers from the opteron tsc, to the 
> point that we don't entirely trust it. Not sure why.

Opterons can execute RDTSC out of order.

"Time is what keeps everything from happening all at once." -- John Wheeler

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