Messages in this thread | | | Date | Wed, 04 Aug 2004 20:46:51 +1000 | From | Nick Piggin <> | Subject | Re: 2.6.8-rc2-mm2 |
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Ingo Molnar wrote: > * Nick Piggin <nickpiggin@yahoo.com.au> wrote: > > >>Also, basic interactivity in X is bad with the interactive sysctl set >>to 0 (is X supposed to be at nice 0?), however fairness is bad when >>interactive is 1. I'm not sure if this is an acceptable tradeoff - are >>you planning to fix it? > > > it also has clear interactivity problems when just running lots of CPU > hogs even with the default interactive=1 compute=0 setting. > > >>Increasing priority (negative nice) doesn't have much impact. -20 CPU >>hog only gets about double the CPU of a 0 priority CPU hog and only >>about 120% the CPU time of a nice -10 hog. > > > this is a property of the base scheduler as well. >
*blush*. Well I shouldn't have singled out the staircase scheduler with this then.
I think I would prefer your nonlinear ratios better though. - 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/
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