Re: [Xen-users] CPU intensive VM starves IO intensive VMs

["Tim Wood" <twwood@xxxxxxxxx>]

> On 8/29/06, Apparao, Padmashree K <padmashree.k.apparao@xxxxxxxxx> wrote:
> What are the number of vcpus so for each VM and what physical cpus are
> the VMs on.  I have run similar tests and seen different results from
> what you see.
For these experiments I am working on a single CPU machine. Having
more cpus would be nice, but I'm assuming setting the sedf CPU weights
should be sufficient for preventing any VM or Dom0 from being starved.

> I'd be interested to know how moving to tip unstable affects
> your tests. I suspect it will help a lot.
I have not tried setting up a system with xen unstable, but hopefully
that helps.

If anyone else wants to give it a try for me, I was just using Iperf
and this script to hog cpu:
----------
#!/bin/bash

while true
do
 true
done
----------

-Tim

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