For all ya BFS (brain fuck scheduler) lovers out there

Markus Törnqvist mjt at nysv.org
Mon Sep 14 12:20:20 CEST 2009


On Mon, Sep 14, 2009 at 01:51:44PM +0400, Paul Fertser wrote:
>Hi,
>
>Thanks to LKML discussion there's an interesting switch found that
>reportedly makes CFS behave as good as BFS for typical desktop workloads.
>
>Read all the details at [1] and to try it on your devices, simply do:
>
>mkdir /debug
>mount -t debugfs none /debug
>echo NO_NEW_FAIR_SLEEPERS > /debug/sched_features
>
>It will magically solve all the problems but i hope it can improve
>experience at least somewhat.
>
>[1] http://marc.info/?l=linux-kernel&m=125260838709566&w=3

ITYM "it will not magically solve"?

Anyway, it's work-in-progress just as BFS is, and obviously depends
on debugfs, and touches tunables BFS doesn't need, and the freerunner
is not your typical desktop, so it should be taken with a grain of salt!

But thanks :)

-- 
mjt




More information about the community mailing list