Re: [Xen-devel] [PATCH v2] libxl: avoid considering pCPUs outside of the cpupool during NUMA placement

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Oct 21, 2016 at 03:49:30PM +0200, Dario Faggioli wrote:
> During NUMA automatic placement, the information
> of how many vCPUs can run on what NUMA nodes is used,
> in order to spread the load as evenly as possible.
> 
> Such information is derived from vCPU hard and soft
> affinity, but that is not enough. In fact, affinity
> can be set to be a superset of the pCPUs that belongs
> to the cpupool in which a domain is but, of course,
> the domain will never run on pCPUs outside of its
> cpupool.
> 
> Take this into account in the placement algorithm.
> 
> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> Reported-by: George Dunlap <george.dunlap@xxxxxxxxxx>
> Reviewed-by: Juergen Gross <jgross@xxxxxxxx>

Reviewed-by: Wei Liu <wei.liu2@xxxxxxxxxx>
Release-acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel