Re: [Xen-devel] [PATCH] xl: allow for node-wise specification of vcpu pinning

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

On gio, 2013-07-11 at 18:10 +0200, Dario Faggioli wrote:
> Making it possible to use something like the following:
>  * "nodes:0-3": all pCPUs of nodes 0,1,2,3;
>  * "nodes:0-3,^node:2": all pCPUS of nodes 0,1,3;
>  * "1,nodes:1-2,^6": pCPU 1 plus all pCPUs of nodes 1,2
>    but not pCPU 6;
>  * ...
> 
> In both domain config file and `xl vcpu-pin'.
> 
And just allow me to clarify that this has nothing to do with NUMA node
affinity, neither with the specification, nor with the behavior...

I am working on per-vcpu node affinity (among all the other NUMA stuff,
of course), and I will submit it soon... It just is not this, ok? :-D

Here, I'm just introducing a new, and possibly more comfortable, way of
specifying vCPU to pCPU _pinning_.

Regards,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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