Re: [Xen-devel] NUMA TODO-list for xen-devel

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 03.08.12 at 15:14, Dario Faggioli <raistlin@xxxxxxxx> wrote:
> On Fri, 2012-08-03 at 12:38 +0100, Jan Beulich wrote: 
>> >> How about "dom0_mem=node<n> dom0_vcpus=node<n>" as
>> >> an extension to the current options?
>> > 
>> > Yes, that sounds like a good idea. And relatively easy to implement.
>> > Maybe a list or a number of nodes (to make it more complicated ;-)
>> 
>> Oh yes, of course I implied this flexibility. Just wanted to give
>> an easy to read example.
>> 
> Yep, I agree it sounds nice and should be not to hard. I'll update the
> Wiki page.
> 
> I only have one question, should we try to take IONUMA into account here
> as well? I mean, if it turns out that I/O hubs are connected to some
> specific node(s), shouldn't we consider pinning/"affining" Dom0 to those
> node(s), as it most likely will be responsible for some/most DomUs' I/O?

I don't think the necessary information is available at the time
when Dom0 gets constructed.

Jan


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