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Date: Sun, 20 Jul 2014 23:48:17 -0400 (EDT)
From: Garrett Wollman <wollman@hergotha.csail.mit.edu>
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To: jdc@koitsu.org
Subject: Re: Consistently "high" CPU load on 10.0-STABLE
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In article <20140720235945.GA90603@icarus.home.lan> you write:

>Yeah, I've given that a try.  I think all that script does, in layman's
>terms, is count the number of occurrences of a kernel function/symbol
>being called.

I've had good results in the past using pmcstat(8) in "top" mode.  Of
course you'll need a kernel with the PMC support compiled in to use
that, and a CPU where hwpmc(4) supports a useful counter -- I'd start
with something that counts unhalted cycles or retired instructions.

-GAWollman