In the last episode (Jul 18), Dan Nelson said:
> In the last episode (Jul 18), Doug Barton said:
> > On 07/18/10 12:41, Kostik Belousov wrote:
> > > When intr time starts accumulating again, try to do
> > > "procstat -kk <intr process pid>" and correlate the clock thread tid
> > > with the backtrace. Might be, it helps to guess what callouts are eating
> > > the CPU.
> > 
> > Will do, thanks!
> 
> You can also use dtrace to get a count of callouts and their time spent. 
> Run this for a few seconds then hit ^C:

That may actually be too verbose (you'll get a histogram per callout).  Try
the ones at http://wiki.freebsd.org/DTrace/Examples instead.

-- 
        Dan Nelson
        dnel...@allantgroup.com
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