Andrew Morton wrote:
>
> Joern Nettingsmeier wrote:
> >
> > some new interesting results with 2.5.42:
> >
> > http://spunk.dnsalias.org/latencytest/2.5.42/2x256.html
> >
> > overall much worse, *but* greatly reduced latency peaks (max. 6 ms) as
> > compared to 2.5.41:
> >
> > http://spunk.dnsalias.org/latencytest/2.5.41/2x256.html
> >
> > here the peaks easily reach 13 ms.
>
> Rather depends on the filesystem. ext3 does its own write scheduling,
> and does stuff inside lock_kernel(). It needs a couple of scheduling
> points I guess.
>
> I'd expect ext2 to work OK with preemption, but nobody has really
> looked yet. Unless you're using ftruncate() (grr.)
oh, i should have stated i'm using reiserfs on /, /usr and /var (var
being a softraid-0).
-- Jörn Nettingsmeier Kurfürstenstr 49, 45138 Essen, Germany http://spunk.dnsalias.org (my server) http://www.linuxdj.com/audio/lad/ (Linux Audio Developers) - 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/
This archive was generated by hypermail 2b29 : Tue Oct 15 2002 - 22:00:49 EST