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

[Con Kolivas <kernel@kolivas.org>]

>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.

Actually just the bastardised Ingo patch will do that on it's own. However 
that's never going to be incorporated.

Con