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SubjectRe: Context switch times
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> > This damps down task thrashing a bit, and for the cpu hogs it gets the
> > desired behaviour - which is that the all run their full quantum in the
> > background one after another instead of thrashing back and forth
>
> What if we give to prev a priority boost P=F(T) where T is the time
> prev is ran before the current schedule ?

That would be the wrong key. You can argue certainly that it is maybe
appropriate to use some function based on remaining scheduler ticks, but
that already occurs as the scheduler ticks is the upper bound for priority
band
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