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SubjectRe: Terrible interactivity with 2.6.0-t9-mm3
Date
On Sunday 16 November 2003 23:19, Nick Piggin wrote:
>
>I think you might have confused Andrew a bit more ;)
>
>To start with, you are talking about IO schedulers, while the thread
>is about CPU interactivity.

I wasn't aware that such performance issues were divorced. In my
admitted limited view, a laggy mouse is a laggy mouse, and its due to
irq latency in achieving the context switch to service the mouses
data. To me, its sorta like 2=2. :)

>The problem here looks like something that is caused by something in
> mm3, not in mm2, not linus.patch, and not
> context-switch-accounting-fix.patch.
>
>
>Off topic: it would be good if you could try the as disk scheduler
> in mm3. I recall you had some problems with it earlier, but they
> should be fixed in mm3. Thanks.

Ok Nick. I'll reboot tomorrow without the elevator argument. Right
now, amanda is fixin to be fired off in about 25 minutes and I want
to see how badly its estimate phase hogs the machine using the cfq
scheduler. With the -mm2 as, it was almost psychedelic to watch the
mouse move.

Also off topic re mouse performance, and I expect this is an X issue,
but when its been blanked because I'm typing, it takes about a full
seconds worth of hand waving before it becomes visible again. This
is an X issue and I should go away, right?

>
>>We need a test suite for this :)
>
>Subjective reports from our base of beta testers has proven to be
> the best thing.

So beit. I guess I must be one of those. (-:

--
Cheers, Gene
AMD K6-III@500mhz 320M
Athlon1600XP@1400mhz 512M
99.27% setiathome rank, not too shabby for a WV hillbilly
Yahoo.com attornies please note, additions to this message
by Gene Heskett are:
Copyright 2003 by Maurice Eugene Heskett, all rights reserved.

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