Re: [PATCH] O12.2int for interactivity

[Timothy Miller]

Con Kolivas wrote:
> On Thu, 14 Aug 2003 16:09, William Lee Irwin III wrote:
>
> > William Lee Irwin III wrote:
>
>
> > "scale" on which scheduling events should happen, and as tasks become
> > more cpu-bound, they have longer timeslices, so that two cpu-bound
> > tasks of identical priority will RR very slowly and have reduced
> > context switch overhead, but are near infinitely preemptible by more
> > interactive or short-running tasks.
>
>
> Actually the timeslice handed out is purely dependent on the static priority, 
> not the priority it is elevated or demoted to by the interactivity estimator. 
> However lower priority tasks (cpu bound ones if the estimator has worked 
> correctly) will always be preempted by higher priority tasks (interactive 
> ones) whenever they wake up.


Ok, so tasks at priority, say, 5 are all run before any tasks at 
priority 6, but when a priority 6 task runs, it gets a longer timeslice?

How much longer?


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