How to switch scheduler on 7.0?

John Nielsen lists at
Tue Apr 15 21:20:46 UTC 2008

On Tuesday 15 April 2008 04:56:37 pm Robert Huff wrote:
> Josh Carroll writes:
> >  >  I would like to switch scheduler on my FreeBSD 7.0 box but I
> >  > don't know how todo that.
> >
> >  You will want to use options SCHED_ULE instead of SCHED_4BSD in your
> >  kernel config.
> 	Am I correct in remembering SCHED_ULE /is/ the default for 7.0+?
> 	If this is true, and you (the OP) do not need the machine for
> production, there are people who would be interested in hearing
> about your problems - especially if you are prepared to define (and
> document) "terrible performace" and help diagnosing the issue.

No. It was at one point planned to be but re@ and others decided it hadn't 
had enough time to settle in the tree for the 7.0 release. AFAIK it will 
be the default for 7.1.


More information about the freebsd-questions mailing list