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Re: [Xen-devel] [RFC] [PATCH] use "reliable" tsc properly when available, but verify


  • To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Date: Tue, 29 Sep 2009 20:03:15 +0100
  • Cc:
  • Delivery-date: Tue, 29 Sep 2009 12:03:54 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcpBNRz2b4jJqZhuQuuGlOz1hopPBwAAmJxa
  • Thread-topic: [Xen-devel] [RFC] [PATCH] use "reliable" tsc properly when available, but verify

On 29/09/2009 19:45, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

> But I could certainly code the patch to just "measure
> and report" for now and we could revisit Xen's use of
> write_tsc at a later time if that's your preference.
> 
> I definitely have more patches in mind for pvrdtsc but
> may not get back to them for a few weeks, so was
> hoping to validate tsc reliability on some machines
> in the meantime.

Who's actually going to go looking for this data in their logs and report it
to you? I think we should leave this until plans are more fully formed.

 -- Keir



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