HZ = 1000 slows down application

[Don Bowman]

From: Luigi Rizzo [mailto:rizzo at icir.org]
> On Tue, Oct 07, 2003 at 06:17:04PM -0400, 
> akanwar at digitarchy.com wrote:
> > Hi Luigi, Mark,
> > 
> > Thanks for your replies.
> > 
> > We did some intensive profiling of our application. It does 
> not seem like
> > we are depending on clock ticks for any calculations.
> > 
> > On the other hand we notice that our slow iterations happen 
> almost at the
> > same instant as "microuptime went backward" messages in the 
> system log. We
> 

I think you need kern.timecounter.method=1 in sysctl.conf.