Re: [PATCH] O12.2int for interactivity

Con Kolivas
2003-08-15T16:31:41Z

On Fri, 15 Aug 2003 05:57, Timothy Miller wrote:
> > 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?

All "nice" 0 tasks get the same size timeslice. If their dynamic priority is
different (the PRI column in top) they still get the same timeslice.

> How much longer?

Different nice levels are about 5ms apart in size.

Con