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SubjectRe: [PATCH] patch-O1int-0306302317 for 2.5.73 interactivity
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On Tue, 1 Jul 2003 23:17, Felipe Alfaro Solana wrote:
> On Tue, 2003-07-01 at 14:04, Con Kolivas wrote:
> > >When I say "X feels jerky", I mean that I can notice the scheduler is
> > >not giving the X server enough CPU cycles (I mean, a continuous,
> > >smaller, but more frequent CPU timeslice) to perform window movement and
> > >redrawing fast enough to get ~25fps. Also, I don't think it's related to
> > >the video card. The combo patch I did with Mike's + Ingo's enhacements
> > >works beautifully for me.
> >
> > Actually just the bastardised Ingo patch will do that on it's own.
> > However that's never going to be incorporated.
>
> So, I guess we won't have the option to choose between different CPU
> schedulers (desktop or server, for example), like we have in -mm kernels
> with IO schedulers (deadline or anticipatory).
>
> Seriously talking, I prefer to have the best performance in my server
> boxes, but for my laptop, I prefer shorter timeslices, lower peformance
> and better turnaround times and a wiser CPU scheduler. Just my two
> cents.
>
> It's sad to say but I feel the vanilla 2.5 CPU scheduler doesn't match
> my end-user preferences :-(

There will always be alternate trees. Whether options like this make it into
mainline will be up to the maintainer of course, but given that we seem to
have a "swappiness" dial in mainline then I suspect we may have more dials in
2.6 than before.

Con

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