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RE: [Xen-devel] Problems about CPU Affinity

  • To: "Saori Fukuta" <fukuta.saori@xxxxxxxxxxxxxx>, "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Ian Pratt" <Ian.Pratt@xxxxxxxxxxxx>
  • Date: Fri, 18 May 2007 10:39:39 +0100
  • Delivery-date: Fri, 18 May 2007 02:38:31 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AceZBl0qjnDmORQ8QPms9KBRfFOKcgAKfVLg
  • Thread-topic: [Xen-devel] Problems about CPU Affinity

> 1. On boot
>     We do not have the way of setting CPU Affinity to each VCPU of
>     domain by using a configuration file.
>     So we have to execute the commands after starting the guest

I thought you could by specifying a list of physical CPUs? Perhaps this
got broken by the xapi changes?
> 2. On reboot
>     We lost the information of setting CPU Affinity that set while the
>     guest domain is running after rebooting the guest domain.
>     So we have to set it again.

Affinity information should certainly be persistent.


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