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From: Pat Caldon <patc@felix.antiquity.arts.su.edu.au>
Message-Id: <199606160656.QAA19860@felix.antiquity.arts.su.edu.au>
Subject: Re: ktrace [Was: 2.2-960612-SNAP resolver problems]
To: joerg_wunsch@uriah.heep.sax.de
Date: Sun, 16 Jun 1996 16:56:09 +1000 (EST)
Cc: freebsd-current@FreeBSD.org
In-Reply-To: <199606151204.OAA01643@uriah.heep.sax.de> from "J Wunsch" at Jun 15, 96 02:04:38 pm
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> > I tried running ktrace but I guess the default kernel isn't configured
> > for it (as I got ktrace: t]?o{]?o]?o]?o: Function not implemented.).
> 
> I wonder whether we should turn on ktrace by default.  It seems to do
> a fine job, and it might help many people to find out about spurious
> software troubles (namely about the configuration files that are being
> searched by programs).  Right now, only hard-core hackers are using

Yes! as a recent convert to FreeBSD about a year ago I was trying to
debug some wierdnesses in a httpd and ktrace was invaluable, after I got
it working.  Which only took hours as I had to build my first kernel.
It should be in GENERIC like this:

options		KTRACE	# Kernel Tracing; adds ~4k to kernel

pat.