Date: Tue, 7 Oct 2003 23:29:01 -0400 From: Don Bowman <don@sandvine.com> To: akanwar@digitarchy.com Cc: freebsd-hackers@freebsd.org Subject: RE: HZ = 1000 slows down application Message-ID: <FE045D4D9F7AED4CBFF1B3B813C85337035E3A54@mail.sandvine.com>
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From: Luigi Rizzo [mailto:rizzo@icir.org] > On Tue, Oct 07, 2003 at 06:17:04PM -0400, > akanwar@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.
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