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Re: [Xen-devel] Guest TSC and Xen (Intel and AMD feedback please)

To: "dan.magenheimer@xxxxxxxxxx" <dan.magenheimer@xxxxxxxxxx>, "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Guest TSC and Xen (Intel and AMD feedback please)
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 01 Jul 2008 18:40:42 +0100
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On 1/7/08 18:33, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

> Another alternative would be to trap all rdtsc's and emulate
> them but this probably will not be easy and may have
> significant performance implications.  But perhaps it should
> be an option?

I think this would be useful, even if just for diagnosing guest time issues.

 -- Keir



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