WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] Cpu pools discussion

To: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>, Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>, George Dunlap <dunlapg@xxxxxxxxx>
Subject: Re: [Xen-devel] Cpu pools discussion
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 28 Jul 2009 16:49:18 +0100
Cc: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "zhigang.x.wang@xxxxxxxxxx" <zhigang.x.wang@xxxxxxxxxx>
Delivery-date: Tue, 28 Jul 2009 08:50:23 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4c912ce4-270a-49c5-80a2-dc975949c3bb@default>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AcoPmDx9MFEWWX5nTIGE3EVSIhTWdAAArqwq
Thread-topic: [Xen-devel] Cpu pools discussion
User-agent: Microsoft-Entourage/12.20.0.090605
On 28/07/2009 16:29, "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx> wrote:

> Currently this is done with pinning, but pinning
> does restrict the flexibility of a multi-vcpu VM.
> Affinity seems like it should help, but affinity
> doesn't restrict the VM from running on a non-affinitive
> pcpu (does it?)

Yes it does. VCPUs only run on PCPUs in their affinity masks.

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel