Date: Sun, 27 Jun 1999 00:09:08 +0900 From: Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp> To: pb@fasterix.freenix.org Cc: freebsd-current@FreeBSD.ORG Subject: Re: kernel profiling Message-ID: <14196.60692.776168.25222H@ett.sat.t.u-tokyo.ac.jp> In-Reply-To: In your message of "Sat, 26 Jun 1999 16:11:43 %2B0200" <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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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