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RE: [Xen-devel] qemu-dm cpu utilization

To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>, "McAfee, Tommie M" <Tommie.McAfee@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] qemu-dm cpu utilization
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Mon, 28 Aug 2006 15:57:57 +0100
Delivery-date: Mon, 28 Aug 2006 07:58:25 -0700
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Thread-index: AcbJKv19/U8dkyKGQoGJXWqmnMhRxAA7oNNAACWCA+AAAKluQA==
Thread-topic: [Xen-devel] qemu-dm cpu utilization
> > We do the majority of our HVM testing using windows as obviously the
> > best way of running linux is fully 'enlightened' (para-virtualized).
> It
> > would be good to test to see whether the issue that you're seeing is
> > sles9 specific.
> 
> We've actually been doing most of our HVM testing with WinXP.  Using
> WinXP we found that if we never ran VNC -- waited long enough that we
> were sure the WinXP guests were running, and then accessed them via
> remote desktop -- we did not see the high cpu utilization.  But, as
soon
> as we fired-up VNC, we encountered the high utilization that Tommie
> described.  Tommie posted the Linux results because most of us have
> better tools to investigate Linux, as opposed to Windows, problems.
> 
> Are you seeing similar issues with Windows?

No, at least with w2k3. Could you try and repro with w2k3?
What VNC client are you using?
Thanks,
Ian

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