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Re: [Xen-users] cpu management

from [Paul Peeler]

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To:	Andrej Radonic <andrej.radonic@xxxxxxxx>
Subject:	Re: [Xen-users] cpu management
From:	Paul Peeler <paul@xxxxxxxx>
Date:	Fri, 07 Apr 2006 09:49:30 -0400
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On Fri, 2006-04-07 at 15:26 +0200, Andrej Radonic wrote:
> Paul Peeler wrote:
> > Is there a way to define how much of the cpu a particular domU is
> > allowed to use? I know you can specify which cpu/cpus it uses, but it
> > would be nice to be able to say "25% of CPU0" and allow it to use more
> > if it is available.
> >   
> Hi Paul,
> 
> yes (of course), something like that.
> 
> There is the "memory" parameter in the domU's config file. This is the 
> default  as well as max RAM assigned to a domU at boot time. At runtime 
> you can use "xm mem-set <domain> <megabytes>" to dynmically adjust 
> allocated RAM, but only up to the initial value.
> 
> All this is accomplished via the "balloon" driver.
> 
> Cheers,
> Andrej


How does that control the cpu utilization?



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