Date: Mon, 21 Mar 2011 00:37:09 -0400 From: "J. Hellenthal" <jhell@DataIX.net> To: Alexander Best <arundel@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: issues with kern.devstat.all Message-ID: <alpine.BSF.2.00.1103210030040.43032@qvfongpu.qngnvk.ybpny> In-Reply-To: <20110320175123.GA65715@freebsd.org> References: <20110320175123.GA65715@freebsd.org>
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On Sun, 20 Mar 2011 13:51, arundel@ wrote: > hi there, > > could somebody explain the following behavior running a recent CURRENT on amd64? > > otaku% sysctl kern.devstat > kern.devstat.numdevs: 6 > kern.devstat.generation: 222 > kern.devstat.version: 6 > otaku% sysctl kern.devstat.all > otaku% echo $? > 0 > otaku% sysctl -d kern.devstat.all > kern.devstat.all: All devices in the devstat list > This is an opaque sysctl. You can use the (-o) flag to see the format and the first sixteen bytes or use (-x) to see the full output. There are plenty of these in the sysctl tree, they are just not normally conveyed directly to the user without the proper flags given as the output is not very useful to the human eye and contains to much output in any other format to be useful. What this one specifically relates to IDK, maybe someone else can tune in for further information. See ( sysctl -A ) for further interesting details. -- Regards, J. Hellenthal (0x89D8547E) JJH48-ARIN
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