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Re: [Xen-users] Dual Core processor options

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Subject: Re: [Xen-users] Dual Core processor options
From: Simon <greminn@xxxxxxxxx>
Date: Thu, 8 Dec 2005 13:29:00 +1300
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On 07 Dec 2005 23:38:40 +0000, M.A. Williamson <maw48@xxxxxxxxx> wrote:

> Yes, that'd work. You can put domUs on any logical processor (hyperthread,
> core, real CPU package...). If the domUs are SMP you can spread them across
> several logical processors.
> Bear in mind dom0 has to go somewhere though ;-) On hyperthreaded systems
> there's a benefit to allowing dom0 its own hyperthread so that it's never
> context switched and is always available for servicing IO requests.

dom0 services the IO (disk, ethernet etc) for all the domU's?

> On a multicore without HT, you might have it share a core with domUs, or
> dedicate a core - depending on your expected IO load.

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