[Users] Processor Type

[Itamar Heim]

On 04/05/2014 02:33 PM, Sven Kieske wrote:
> The cpu model actually gets read from
> a libvirt xml file.
>
> Extensive documentation about this can be found here:
> http://wiki.libvirt.org/page/Libvirt_identifies_host_processor_as_a_different_model_from_the_hardware_documentation

iirc, it is still a pass-through to qemu-kvm, which accepts -cpu 
<cpu_model>.

>
> HTH
>
> Am 04.04.2014 17:32, schrieb Itamar Heim:
>> On 03/31/2014 06:57 PM, Robert Story wrote:
>>> On Wed, 19 Mar 2014 10:13:28 -0400 (EDT) Omer wrote:
>>> OF> cpu name is cluster level, and usually the lowest common
>>> denominator of
>>> OF> the hosts in cluster, to make sure migration works in the cluster.
>>>
>>> Is there and documentation on the relationship between cpu types and
>>> compatibility? Right now I have a cluster per cpu type, and it might make
>>> sense to merge some of them if the performance hit was minimal.
>>
>> that would be a question for qemu-kvm - they provide the cpu models we
>> base this on.
>> you can check which cpu flags you get exposed in the guest of the higher
>> cpu model, then check if you think your applications would care about
>> them...
>
>