Re: [RFC] CPU hard limits

[Avi Kivity]

Balbir Singh wrote:
> > But then there is no other way to make a *guarantee*, guarantees come
> > at a cost of idling resources, no? Can you show me any other
> > combination that will provide the guarantee and without idling the
> > system for the specified guarantees?
> >     
>
> OK, I see part of your concern, but I think we could do some
> optimizations during design. For example if all groups have reached
> their hard-limit and the system is idle, should we do start a new hard
> limit interval and restart, so that idleness can be removed. Would
> that be an acceptable design point?

I think so.  Given guarantees G1..Gn (0 <= Gi <= 1; sum(Gi) <= 1), and a 
cpu hog running in each group, how would the algorithm divide resources?

--
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signature is too narrow to contain.

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