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Re: [Xen-users] SMP and CPU hyperthreading

To: m+Ian.Pratt@xxxxxxxxxxxx
From: "Lars E. D. Jensen" <ledj@xxxxxxxxxxx>
Date: Wed, 20 Apr 2005 10:32:46 +0200
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 20 Apr 2005 08:32:45 +0000
List-id: Xen user discussion <xen-users.lists.xensource.com>

  cpu 0 : socket 0, [core 0], hyperthread 0
  cpu 1 : socket 0, [core 0], hyperthread 1
  cpu 2 : socket 1, [core 0], hyperthread 0

cpu 3 : socket 1, [core 0], hyperthread 1

It's sensible to reserve cpu 0 for domain 0, and then put all your other
domains on CPUs 1 and 3 (leave CPU 2 empty, unless you know that you're
not going to thrash the chip's cache).

How can I know if I'm trashing the chip cache?

--
Med venlig hilsen / Best regards
Lars E. D. Jensen
ledj@xxxxxxxxxxx - http://dcmedia.biz

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