Re: [Xen-devel] credit1 scheduler question.

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Wed, Feb 8, 2012 at 2:22 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> I don't know if it's relevant to this discussion but I tend to often
> increase the credit scheduler weight of dom0 vcpus to guarantee smooth 
> operation of dom0.

In fact, XenServer has a patch that will automatically adjust dom0's
weight based on the weight of other VMs running on the system, in an
attempt to make sure dom0 can get enough cpu time.

I haven't submitted it to the list, because I don't think it's really
appropriate for the open-source tree.  But I'll dig it out and post it
as an RFC; even if it's not ultimately accepted, it might not be bad
to have the patch floating around.

 -George

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