Re: Renice X for cpu schedulers

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On Thu, 19 Apr 2007, Ed Tomlinson wrote:
> > 
> > SD just doesn't do nearly as good as the stock scheduler, or CFS, here.
> > 
> > I'm quite likely one of the few single-CPU/non-HT testers of this stuff.
> > If it should ever get more widely used I think we'd hear a lot more complaints.
> 
> amd64 UP here.  SD with several makes running works just fine.

The thing is, it probably depends *heavily* on just how much work the X 
server ends up doing. Fast video hardware? The X server doesn't need to 
busy-wait much. Not a lot of eye-candy? The X server is likely fast enough 
even with a slower card that it still gets sufficient CPU time and isn't 
getting dinged by any balancing. DRI vs non-DRI? Which window manager 
(maybe some of the user-visible lags come from there..) etc etc.

Anyway, I'd ask people to look a bit at the current *regressions* instead 
of spending all their time on something that won't even be merged before 
2.6.21 is released, and we thus have some mroe pressing issues. Please?

			Linus
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