Re: [Xen-users] xennet windows pv performance

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sun, Mar 02, 2008 at 12:02:16PM +0200, Pasi Kärkkäinen wrote:
> On Sun, Mar 02, 2008 at 11:57:16AM +0200, Pasi Kärkkäinen wrote:
> > 
> > Could it be some xen scheduling issue? You're using 2 vcpus for windows, and
> > in this second box you only have 2 pcpus.. and they're both 100% used so no
> > dedicated pcpus for dom0.. 
> > 
> 
> Maybe try windows with vcpus=1 in this box.. then you should have the other
> pcpu only for dom0 and see if that makes difference..
> 

You could also try setting xen credit scheduler weights for domains.. maybe
giving more cpu for dom0 (bigger weigth) ?

The big question is why all cpu is used on this second box when iperf is
running on windows.. 

How big was the CPU usage on Linux PV domU ?

-- Pasi

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