On Sun, 22 Jun 2003 23:35, Con Kolivas wrote:
> On Fri, 20 Jun 2003 12:29, Con Kolivas wrote:
> > On Fri, 20 Jun 2003 07:32, Andreas Boman wrote:
> > > Basicly, for normal usage this kernel is acting *very* well here.
> >
> > Great! Thanks for doing this testing. I've attached a patch with the
> > updated figures and cc'ed lkml for others to test.
>
> This is the latest state of play with this patch. I have been developing it
> for -ck and ported it to 2.5 if anyone is still interested. Basically it
> will make a task interactive faster than vanilla and will prevent a task
> losing it's interactivity status for longer.
>
> The added changes include a small workaround for integer division, and a
> new feature - non linear boosting.
>
> I have implemented a sigmoid curve shaped boost to the priority boost. This
> makes it harder for tasks to get the largest priority boost or the greatest
> penalty. Basically cpu hungry tasks that remain cpu hungry but fluctuate in
> their sleep time due to lots of other tasks running will get less priority
> boost and fluctuate less in that boost also.
>
> Feel free to test it and comment. Things to look for - the dreaded audio
> skip under load, and X remaining interactive during sustained use under
> load.
Woops my bad. Attached the correct one now.
Con
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