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Date:      Fri, 23 Sep 2005 08:06:00 -0400 (EDT)
From:      Francisco Reyes <lists@natserv.com>
To:        Joseph Koshy <joseph.koshy@gmail.com>
Cc:        FreeBSD Performance <freebsd-performance@freebsd.org>
Subject:   Re: Finding what's causing I/O
Message-ID:  <20050923080435.J58927@zoraida.natserv.net>
In-Reply-To: <84dead7205092219023228cdf5@mail.gmail.com>
References:  <20050922214709.Q50836@zoraida.natserv.net> <84dead7205092219023228cdf5@mail.gmail.com>

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On Fri, 23 Sep 2005, Joseph Koshy wrote:

>> Is there a way to find out which program(s) are causing
>> the I/O?
>
> ktrace(8); you can use it to trace all descendants of 'init'.

Looking at the man page it's non-obvious how to use it (to me).


Specially it seems one needs to indicate a pid or a command. How do I 
trace all programs?



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