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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>
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 01 Jul 2008 18:40:42 +0100
Cc:
Delivery-date: Tue, 01 Jul 2008 10:41:11 -0700
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
Thread-index: AcjboIivPTuddHlLSIGPaPhte5VM5wAAQyO1
Thread-topic: [Xen-devel] Guest TSC and Xen (Intel and AMD feedback please)



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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References:
- [Xen-devel] Guest TSC and Xen (Intel and AMD feedback please)
  - From: Dan Magenheimer

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