Re: Kernel 2.4.x and 2.4.1-preX - Higher latency then 2.2.xkernels?

Shawn Starr
2001-01-21T23:26:06Z

Sure, but Im not sure what to test ;)
If you've got any special patches for 2.4 lemme know and I'll apply them I've
got all night heh

Shawn.

Chris Mason wrote:

> On Saturday, January 20, 2001 02:59:24 PM -0500 Gregory Maxwell
> <greg@linuxpower.cx> wrote:
>
> > On Sat, Jan 20, 2001 at 02:50:16PM -0500, Shawn Starr wrote:
> >> It just seems that since using 2.4 ive noticed my poor Pentium 200Mhz
> >> slow down whether being in X or otherwise. It just seems that the system
> >> is sluggish.
> >>
> >> I am using the new ReiserFS filesystem and I do know its still in heavy
> >> development perhaps my latency is due to this (?)
> >
> > Reiserfs uses much more complex data structures then ext2 (trees..). I
> > don't think that latency has ever been a design criteria and all of the
> > benchmarks they use are pretty much pure throughput tests.
> >
> > So it wouldn't be really surprising if reiserfs had very bad latency. You
> > should apply the timepegs patch and profile your kernel latency to see
> > where it's coming from.
>
> I'm actually very interested in fixing any latency problems. If you do
> these tests, please send the results along.
>
> -chris
> -
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