RE: [Xen-devel] pinning dom0 cpu

["Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>]

> I'm running Xen on an SMP machine. Couple of things:
> 
> a) is dom0 pinned to a particular CPU? if so which? can I 
> control the choice? 

Yes, use xm pincpu.
 
> b) with the 2.6.10 Xenolinux kernel, cat /proc/cpuinfo shows only a
> single CPU on my SMP machine. Is this a known problem/behavior?

With Xen 2.x each individual domain can only be uniprocessor. The
unstable tree contains prototype SMP support.  

> c) if I understand correctly, the BVT scheduler parameters are CPU
> specific -- they don't aggregate over the machine. So if I assign some
> weights to domains, they will work properly if both domains are pinned
> to the same CPU. Is that correct?

Yes, as it stands.

Ian


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