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Re: [Xen-users] domains gets stalled for N seconds

To: "Damjan Pipan" <damjan.pipan@xxxxxxx>
Subject: Re: [Xen-users] domains gets stalled for N seconds
From: Luke S Crawford <lsc@xxxxxxxxx>
Date: 14 Oct 2008 18:32:15 -0400
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"Damjan Pipan" <damjan.pipan@xxxxxxx> writes:
> The problem is that I suspect that domains are not running at full (hardware) 
> speed and they are getting stalled from time to time.
> I can see a lot of wait in top and "top -d .5" gets stalled also from time to 
> time for some seconds (cca 5s)


I've had similar problems that immediately went away after weighting the Dom0:

xm sched-credit -d 0 -w 60000


I now put that in /etc/rc.local on all my Dom0s, and I haven't seen the problem
since.




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