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Re: [Xen-devel] How to query the number of vcpus?
| To: | Ryan Harper <ryanh@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] How to query the number of vcpus? |
| From: | Kip Macy <kip.macy@xxxxxxxxx> |
| Date: | Fri, 29 Apr 2005 13:24:08 -0700 |
| Cc: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Fri, 29 Apr 2005 20:23:50 +0000 |
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| Reply-to: | Kip Macy <kip.macy@xxxxxxxxx> |
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Thanks. I need this for coredump and debugging on SMP domains.
I didn't feel like querying successively higher exec_domains until a
call failed ;-)
-Kip
On 4/29/05, Ryan Harper <ryanh@xxxxxxxxxx> wrote:
> * Kip Macy <kip.macy@xxxxxxxxx> [2005-04-29 15:09]:
> > What is the right way to query how many vcpus a guest is using? As I
> > mentioned earlier it would seem to fall under the heading of
> > GETDOMAININFO, but that obviously doesn't work.
>
> I posted a [1]patch a while back that surfaced that info in the
> GETDOMAININFO call. I'm still working more into that patch to support
> a cpumap which designate which physical cpus a vcpu may use, the current
> form of that patch is [2]here.
>
> 1. http://lists.xensource.com/archives/html/xen-devel/2005-04/msg00412.html
> 2. http://lists.xensource.com/archives/html/xen-devel/2005-04/msg00890.html
>
> --
> Ryan Harper
> Software Engineer; Linux Technology Center
> IBM Corp., Austin, Tx
> (512) 838-9253 T/L: 678-9253
> ryanh@xxxxxxxxxx
>
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