Re: [PATCH] patch-O1int-0306302317 for 2.5.73 interactivity

From: Felipe Alfaro Solana (
Date: Tue Jul 01 2003 - 07:00:32 EST

On Tue, 2003-07-01 at 11:31, Con Kolivas wrote:
> On Tue, 1 Jul 2003 18:59, Felipe Alfaro Solana wrote:
> > I'm using 1000HZ. With respect to X, I haven't noticed any major
> > difference. Should I? I haven't tested it under very heavy loads, but
> > under normal workloads, it behaves a little better than its predecesors.
> I'd say it would depend on the graphic card. On a sis630 even with a p3 1133
> it is embarassingly jerky under even the slightest of loads without my patch.
> However, it is as good now without the granularity patch as earlier with the
> granularity.

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.

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