Re: [patch] "HT scheduler", sched-2.5.63-B3

Mike Galbraith (
Fri, 07 Mar 2003 09:34:02 +0100

At 09:15 AM 3/7/2003 +0100, Ingo Molnar wrote:

>On Fri, 7 Mar 2003, Mike Galbraith wrote:
> > I can (could with your earlier patches anyway) eliminate the X stalls by
> > setting X junk to SCHED_FIFO. I don't have ram to plug in, but I'm as
> > certain as I can be without actually doing so that it's not ram
> > shortage.
>okay. Can you eliminate the X stalls with setting X priority to -10 or so
>(or SCHED_FIFO - although SCHED_FIFO is much more dangerous). And how does
>interactivity under the same load look like with vanilla .64, as compared
>to .64+combo? First step is to ensure that the new changes did not
>actually hurt interactivity.

Oh, it's definitely _much_ better than .virgin. I didn't mean to imply
that damage was done ;-) With .virgin, I have a _heck_ of a time grabbing
the build window to kill it. With combo, rodent jerkiness makes it hard to
find/grab, and multisecond stalls are still there, but much improved.


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