Messages in this thread | ![/](/images/icornerl.gif) | | Subject | Re: Bad interactive behaviour in 2.5.65-66 (sched.c) | From | Jeremy Fitzhardinge <> | Date | 31 Mar 2003 17:41:50 -0800 |
| |
On Sat, 2003-03-29 at 21:23, Andrew Morton wrote: > Tom Sightler <ttsig@tuxyturvy.com> wrote: > > > > On my system I get a starvation issue with just about any CPU intensive > > task. For example if create a bzip'd tar file from the linux kernel > > source with the command: > > > > tar cvp linux | bzip2 -9 > linux.tar.bz2 > > > > Ingo has determined that Linus's backboost trick is causing at least some > of these problems. Please test and report upon the below patch. >[...] > From: Ingo Molnar <mingo@elte.hu> > > the patch below fixes George's setiathome problems (as expected). It > essentially turns off Linus' improvement, but i dont think it can be fixed > sanely. > > the problem with setiathome is that it displays something every now and > then - so it gets a backboost from X, and hovers at a relatively high > priority.
This fixes the starvation I was getting with xmms visualizers, which have a similar usage pattern: they're mostly CPU-bound, but they talk to the X server for drawing.
J
- 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/
| ![\](/images/icornerr.gif) |