[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-users] dom-U idle loop detection?
> Does Xen (well, dom-U xenified kernel) detect when a dom-U is > spinning in idle loop? Yes -- the domU calls HYPERVISOR_yield. > In other words is Xen scheduling able to tell whether a dom-U > is really busy? Yes. > I thought it might be useful to have a low-priority > 'background' dom-U that scavenged CPU-time when the other > dom-U's were idle. You can achieve something akin to this just by setting the scheduler weight parameters accordingly. Ian _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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