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Re: [Xen-devel] Re: [Xen-users] About profiling xen

To: Fasiha Ashraf <feehapk@xxxxxxxxxxx>
Subject: Re: [Xen-devel] Re: [Xen-users] About profiling xen
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Mon, 05 Oct 2009 13:53:01 -0700
Cc: "Fajar A." <fajar@xxxxxxxxx>, xen <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx, Marco Tizzoni <marco.tizzoni@xxxxxxxxx>
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On 10/05/09 04:38, Fasiha Ashraf wrote:
> Is this the issue that is affecting guest to guest throughput? Since I
> have timer frequency 1000Hz and high resolution timer both enabled in
> my dom0. Also i am using cup cores pinned for each VM an Dom0. Please
> guide me some more about getting increased throughput between guests.

I haven't specifically looked at the problem of domain<->domain
performance.  The quantization of time at 1kHz is a concern, but its not
clear to me whether it comes from Linux, Xen or some interaction between


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