Messages in this thread | | | From | Con Kolivas <> | Subject | Re: 2.5.74-mm1 and Con Kolivas' CPU scheduler work | Date | Fri, 4 Jul 2003 14:25:29 +1000 |
| |
On Fri, 4 Jul 2003 14:11, Tom Sightler wrote: > On Thu, 2003-07-03 at 22:29, Con Kolivas wrote: > > Ah yes I believe I know this issue. The problem is the parent spinning > > madly waiting for the child and it is the parent that starves the child. > > While this is not a fix, if you can reproduce the problem can you try > > changing CHILD_PENALTY in kernel/sched.c from 50 to 100 and see if that > > makes the problem go away? I mentioned this hidden in a thread a while > > ago, and am trying to get a reasonable fix. > > Well, perhaps I spoke too soon about this particular issues. I have > just compiled 2.5.74-mm1 and it seems to be much better behaved that my > previous kernel (2.5.72-mm2). I can no longer reproduce the issue with > this new kernel but the problem is easily reproducible with my older > kernel. Does 2.5.74-mm1 have a recent version of your patches (I know > it has some variation of your patches but you've been cracking them out > pretty quick lately). I've run testing with my horror cases of > Crossover Plugin and multiple Crossover Office applications running > simultaneously and all programs seem responsive, these cases caused all > kinds of audio skipping and pauses on the system before. > > I'm still running some other tests that seem to be showing some > strangeness but I need to do some more test on both kernels before I > really reports them. > > Thanks for your hard work on these issues, for my workload things seem > to be getting quite a bit better.
Heh well that's nice. The last patch posted on my site ( kernel.kolivas.org/2.5 ) is the same as in -mm1. There is no newer patch yet, but I've got some changes coming to apply on top pretty soon. Hopefully these will address your "strangeness". :)
Con
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |