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Date: Mon, 06 Dec 2010 20:46:15 +0200
From: Andriy Gapon <avg@freebsd.org>
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To: Steve Kargl <sgk@troutmask.apl.washington.edu>
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Cc: Alexander Motin <mav@freebsd.org>, freebsd-current@freebsd.org
Subject: Re: Process accounting/timing has broken recently
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on 06/12/2010 20:43 Steve Kargl said the following:
> The 7-10 days is an estimate.  I upgraded world/kernel on
> Saturday.  The previous world/kernel could have been older
> than I'm guessing.  It could be upto 4 weeks old because
> my laptop tends to lag behind the upgrades to my servers.

I see.

> I would normally use gprof to measure execution times
> for the functions I'm writing, but in some quick
> testing last night gprof appears to be broken.  I'm 
> seeing a larger variation that I would expect in 
> self-seconds for the accumulated time for execution
> of expf.

Just guessing - could you try setting sysctl kern.eventtimer.periodic=1 if it's
not 1 already?

And cc-ing Alexander, just in case.

-- 
Andriy Gapon