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/
Home Products Support Community News


Re: [Xen-devel] CPUS, cores and threads inside domU

To: Igor Chubin <igor@xxxxxxx>
Subject: Re: [Xen-devel] CPUS, cores and threads inside domU
From: Jean Guyader <jean.guyader@xxxxxxxxxxxxx>
Date: Wed, 17 Sep 2008 18:35:21 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 17 Sep 2008 10:36:27 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20080914225338.GG17904@xxxxxxx>
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>
References: <20080914225338.GG17904@xxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mozilla-Thunderbird (X11/20080724)
Hi Igor,

Igor Chubin wrote:
Hello, all.

Please, say me, is it possible to show distinct number of threads, cores and number
of the virtualized processor inside a guest
Xen domains (both PV and HVM)?
(AFAIU it is possible since Xen 3.3)

No, you can't do that.

And I have a similar question about CPU flags.
How can I hide some CPU flags and do not show them inside a guest Xen domain?

You should have a look at the cpuid configuration entry.
With this field you can hide some CPU flags by forcing the corresponding bit to 

Jean Guyader

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>