From owner-freebsd-current  Sat Jun 26  8: 9:14 1999
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Date: Sun, 27 Jun 1999 00:09:08 +0900
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From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To: pb@fasterix.freenix.org
Cc: freebsd-current@FreeBSD.ORG
Subject: Re: kernel profiling
In-Reply-To: In your message of "Sat, 26 Jun 1999 16:11:43 +0200"
	<19990626161143.A9799@fasterix.frmug.fr.net>
References: <19990626161143.A9799@fasterix.frmug.fr.net>
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At Sat, 26 Jun 1999 16:11:43 +0200,
Pierre Beyssac <pb@fasterix.freenix.org> wrote:
> 
> Just curious: would it be easily doable to profile the kernel by
> sampling the program counter, la profil(2) but for kernel mode?
> Has anyone attempted to write this?

You can enable kernel profiling by configure kernel with `-p' or '-pp'
option. See config(8) and kgmon(8) for detail.

I have a patch for FreeBSD/alpha to support kernel profiling.

-- 
/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: finger -l simokawa@sat.t.u-tokyo.ac.jp


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