From owner-freebsd-geom@FreeBSD.ORG  Thu Mar 26 22:36:42 2009
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To: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 26 Mar 2009 20:22:22 +0900."
	<20090326112222.GE10080@stlux503.dsto.defence.gov.au> 
Date: Thu, 26 Mar 2009 21:16:33 +0000
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Cc: freebsd-geom@freebsd.org
Subject: Re: geom debugging tools ? 
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In message <20090326112222.GE10080@stlux503.dsto.defence.gov.au>, "Wilkinson, A
lex" writes:
>
>    0n Thu, Mar 26, 2009 at 11:17:30AM +0000, Poul-Henning Kamp wrote: 
>
>    >sysctl -b kern.geom.confxml
>
>Curios, why doesn't 'sysctl -a' display "kern.geom.confxml" ? e.g.

Because we don't want to spam the sysctl -a output with so much
output.

There are many other sysctls which also are not shown during
sysctl -a because they return binary structures.

The '-b' flag means "I know it may be binary" and we (ab)use that
to supress the XML output from sysctl -a.


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.