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>
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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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