From owner-freebsd-fs@FreeBSD.ORG  Wed Jan 10 10:00:35 2007
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Date: Wed, 10 Jan 2007 01:33:53 -0800 (PST)
From: "R. B. Riddick" <arne_woerner@yahoo.com>
To: Fluffles <etc@fluffles.net>
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Cc: freebsd-fs@freebsd.org, freebsd-geom@freebsd.org
Subject: Re: Capturing I/O traces
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--- Fluffles <etc@fluffles.net> wrote:
> It should be binary, like:
> R<32-bit offset><32-bit length>W<32-bit offset><32-bit length>....
>
What is so bad about syslog? Problems with parsing...? :-)

When u dont know start times and end times, you will not be able to identify
concurrent/simultaneous requests, which might be bad for performance (I think,
UFS can use 9 simultaneous requests). 

-Arne


 
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