Re: 2.6.8-rc2-mm2

Nick Piggin
2004-08-04T10:51:19Z

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.