[Devel] Re: [RFC] CPU hard limits

[Avi Kivity]

Bharata B Rao wrote:
>> So the groups with guarantees get a priority boost.  That's not a good  
>> side effect.
>>     
>
> That happens only in the presence of idle cycles when other groups [with or
> without guarantees] have nothing useful to do. So how would that matter
> since there is nothing else to run anyway ?
>   

If there are three groups, each running a cpu hog, and they have (say) 
guarantees of 10%, 10%, and 0%, then they should each get 33% of the 
cpu, not biased towards the groups with the guarantee.

If I want to change the weights, I'll alter their priority.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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