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Re: [Xen-devel] XEN Proposal

To: "Juergen Gross" <juergen.gross@xxxxxxxxxxxxxxxxxxx>

From: "George Dunlap" <George.Dunlap@xxxxxxxxxxxxx>

Date: Thu, 11 Dec 2008 19:38:53 +0000

Cc: Chris <hap10@xxxxxxxxxxxxxx>, "Tian, Kevin" <kevin.tian@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>

Delivery-date: Thu, 11 Dec 2008 11:39:16 -0800

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List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On Thu, Dec 11, 2008 at 3:13 PM, George Dunlap <dunlapg@xxxxxxxxx> wrote: > It seems like what you really want is to cap the number of credits the > VMs can get, and then take them offline when their credits go negative > (instead of competing for resources in a "best-effort" fashion). :-) Actually, it turns out this functionality is already present. xm sched-credit -d [domid] -c 30 will "cap" the domain to 30% of one cpu, even if there are no other cpus running. You should be able to utilize that directly, no development needed. -George _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel

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