[libvirt] Is it possible to use more then 2 CPUs in the guest?

[Mirko Raasch]

Daniel P. Berrange schrieb:
> On Thu, Aug 06, 2009 at 05:53:01PM +0200, Gerrit Slomma wrote:
>
>   
>> I could test what is detected by windows if i choose another cpu-model 
>> than "qemu" when invoking kvm.
>> Couldn't it made possible to choose the cpu-model via libvirt?
>>     
>
> We do have an RFE to choose the CPU model in libvirt, but that wouldn't
> let us specify topology, since QEMU doesn't allow that to be expressed
> via its -cpu arg at this time.
>
> I've just been pointed to this proposed enhancement to QEMU for 
> choosing topology:
>
>   http://patchwork.kernel.org/patch/33961/
>
> That discussion is still ongoing, but once its settled we'll be able to 
> look at supporting it in libvirt too.
>
> Daniel
>   
It seems, that qemu is the "problem".
I bought a quad core cpu in the hope, i can use all four cores, but only 
2 of them in the host are under full load if i heat up
all cpus in the guest with prime95, superpi or some other programs.

Greetings