[libvirt-users] Way to detect virtual machine cpu features

[Lei Zhang]

Hi, any comment or suggestion

On Thu, Jun 29, 2017 at 10:55 AM, Lei Zhang <lei12zhang12 at gmail.com> wrote:

> Hello everyone
>
>  I want to know how can I use libvirt to detect what cpu features a
> virtual machine will see.
>
> I guess I could do it in following way:
>
> 1. if cpu mode is 'custom', use 'virsh cpu-baseline --features' on the
> cpu model to get model features.
> 2. if cpu mode is 'host-passthrough' or 'host-model', do a 'virsh
> capabilities' to list cpu features of physical host, they are identical to
> features of virtual machine.
>
> Is this right way to do things? Look forward to your valuable comments.
>
> Best regards,
> Lei
>
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