Re: [Xen-users] DomU slower with smp?

[Nick Anderson <nick@xxxxxxxxxxxx>]

Janusz Ulanowski wrote:
> Hi,
> Thanks for your answer.
> I've done as you said.
> Unfortunatelly no difference.
> it goes worse when I increase file size or threads number.
>
> for:
> time iozone -t 40 -r 2m -s 100m -m -R
> DomU with four cpus (each from different core)
>  real    6m19.300s
> DomU with one cpu
>  real 3m32.651s
> Dom0
>  real    2m37.418s
Did you try a process that was less io intensive? It would be worthwhile
to see if the bottleneck is cpu or io.

--
Nick Anderson <nick@xxxxxxxxxxxx>
http://www.cmdln.org
http://www.anders0n.net

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