kernel IO schedulers

Federico Voges ftc
Fri Dec 31 13:17:49 PST 2004


Hi,

On Thursday 30 December 2004 14:58, Net Llama! wrote:
> I could be wrong, but I think that in 2.6.10 there's a choice of several
> different schedulers in the kernel:
>
> # IO Schedulers
> #
> CONFIG_IOSCHED_NOOP=y
> CONFIG_IOSCHED_AS=y
> CONFIG_IOSCHED_DEADLINE=y
> CONFIG_IOSCHED_CFQ=y
>
> What I'm wondering is what happens if you chose Y for all of them (as
> above)?
>
> The reason I'm asking is that I did choose Y for all of them, and now in
> 2.6.10 (but not in earlier kernels) i'm getting some horrific
> performance in X (XFCE specifically).  Scrolling in windows is sluggish,
> sometimes even typing gets lagged.  I'm starting to think that I was
> supposed to choose just one of the schedulers, but I'd like some input.

Stupid question: have you checked if there's help for those options??

Cheers,
Fed.
-- 

Running: Gentoo Linux
Kernel:  2.6.7-grsec-mppe i686
Uptime:   18:15:56 up 4 days,  8:36,  6 users,  load average: 0.30, 0.40, 0.33



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