Re: [Xen-users] How can you tell if NUMA is turned on in the Hypervisor?

["Todd Deshane" <deshantm@xxxxxxxxx>]

Hi Jeff,

On Tue, Apr 29, 2008 at 3:43 PM, Jeff Lane <sundowner225@xxxxxxxxx> wrote:
> I allegedly have some NUMA support in my hypervisor (this is Xen 3.2)
>
>  I booted with numa=on but don't see something obvious to clue me in
>  that NUMA is in fact on and being used.
>
>  On non-Xen systems, there's usually a few messages about SRAT
>  tables... on Xen however, looking at xm dmesg I can't see anything
>  that easy and obvious...
>
>  So , how can I verify that NUMA is in fact on?
>

Try xm info | grep nr_nodes

nr_nodes > 1 implies NUMA
nr_nodes == 1 imples not NUMA

Cheers,
Todd

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