no/empty NUMA cells on domain XML

Polina Agranat pagranat at redhat.com
Wed Jul 1 11:13:37 UTC 2020


Thank you, Daniel, for the response.

Polina

On Wed, Jul 1, 2020 at 12:34 PM Daniel P. Berrangé <berrange at redhat.com>
wrote:

> On Wed, Jul 01, 2020 at 12:08:35PM +0300, Polina Agranat wrote:
> > Hi ,
> >
> > I'm looking for a possibility to simulate a VM (to be used as a host)
> > reporting no or empty NUMA <cells> in 'virsh capabilities'. 'virsh
> > capabilities' usually reports single NUMA in the VMs,
> > like
> > <numa>
> > <cell id='0' cpus='0-63' memory='16777216' unit='KiB'/>
> > </numa>
>
> If the "host" doesn't report any NUMA topology, the libvirt will always
> synthesize a single NUMA cell. So there is no scenario in which the
> <numa> info will be empty with current generation libvirt.
>
> Regards,
> Daniel
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