Performance of 4.x vs 5.x (Re: Lifetime of FreeBSD branches)

Kris Kennaway kris at
Wed May 25 14:45:08 PDT 2005

On Wed, May 25, 2005 at 11:42:01PM +0200, Bjarne Wichmann Petersen wrote:
> On Monday 23 May 2005 23:36, Kris Kennaway wrote:
> > Also try defining PREEMPTION in your kernel on 5.x and above (if you
> > are running i386 or amd64).  There have been very occasional reports
> > of panics with this option enabled (although I use it everywhere and
> > have not seen problems on my heavily loaded machines), but interactive
> > response should be much better.
> I've had PREEMTION enabled in 5-STABLE for at couple of month and had the 
> opposite experience. Eg. when clicking on a file in a fileselector (I'm using 
> KDE) it would take 2-3 seconds before the file got highlighted. After 
> disabling PREEMTION again responsetime seems to have improved.

Are you running 5.4-RELEASE or later?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url :

More information about the freebsd-stable mailing list