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

["Antoine Benkemoun" <antoine.benkemoun@xxxxxx>]

Ah ok I understand better your question.

You can indeed assign it several vcpu's since at least version 3.1 which is what I am using. After, these cores will show up as independent CPUs in your VM's.

The config line to add is "vcpus=1"

Cheers,
Antoine

On Mon, Sep 15, 2008 at 11:47 AM, Igor Chubin <igor@xxxxxxx> wrote:

On Mo, Sep 15, 2008 at 09:11:55 +0200, antoine.benkemoun@xxxxxx wrote:
> hello,
>
> Xen domU's are separated and are not aware that they are running in
> Xen (not quite for PV as the kernel is modified). I doubt this is
> possible since it would pose security problems with clients getting
> access (even partial) to the hypervisor.
> You should be able to see what is allocated to your VM but no more...
> A solution may be to get the dom0 to give the information to the
> domU's using an external database.

Thank you for you answer, Antoine.


I'm sorry, I think that I had to formulate my question more
precisely.

I do not want give domU any information about real hardware.
I want to provide it with virtual cpus (it is possible, ant question
is not about this) and show this vcpus say as cores of one CPU
or as independent CPUS. AFAIU this become possible since Xen 3.3.

>
> Cheers,
> Antoine
>
> On 9/13/08, Igor Chubin <igor@xxxxxxx> 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)?
> >
> > And if it is possible, how I should achieve this?
> >
> > 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?
> >
> >
> > Thank you
> >
> >
> > --
> > WBR, i.m.chubin
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
>
>
> --
> Antoine Benkemoun
> Tel : 03.51.53.57.00
> Port : 06.32.88.59.35

--
WBR, i.m.chubin

--
Antoine Benkemoun
Tel : 03.51.53.57.00
Port : 06.32.88.59.35

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