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From: Simias <simias.n@gmail.com>
To: Garrett Cooper <youshi10@u.washington.edu>
References: <467636C0.6040604@u.washington.edu>
Date: Mon, 18 Jun 2007 10:00:00 +0200
In-Reply-To: <467636C0.6040604@u.washington.edu> (Garrett Cooper's message of
	"Mon\, 18 Jun 2007 00\:39\:44 -0700")
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Cc: hackers@freebsd.org
Subject: Re: Making sense of ktrace(1) output
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Garrett Cooper <youshi10@u.washington.edu> writes:

> Ok, so in my effort to find out the choke point for pkg_add, and in
> the process I've tried both struss and strace, which have failed
> because they weren't tracking the right PID and weren't following
> forks (seemed like procfs is all mucked up even though it's mounted
> and appears to be working to some extent --only failing 33%~75% of the
> time :(..).
>
> However, I was able to get ktrace output. The only problem is that
> ktrace(1) apparently outputs only in binary, instead of plaintext
> output. Can I convert it to plaintext somehow and process it?
>
> Thanks,
> -Garrett

Yes you can, using kdump(1).

-- 
Simias