Date: Fri, 4 May 2007 16:09:56 +1000 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Scott Long <scottl@samsco.org> Cc: stable@freebsd.org, "Sean C. Farley" <sean-freebsd@farley.org>, Ulrich Spoerlein <uspoerlein@gmail.com> Subject: acd and iostat [was Re: FreeBSD vs Region Code DVDs] Message-ID: <Pine.BSF.3.96.1070504153915.16876B-100000@gaia.nimnet.asn.au> In-Reply-To: <463A62C9.2010707@samsco.org>
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On Thu, 3 May 2007, Scott Long wrote:
> Ulrich Spoerlein wrote:
[..]
> > PS: why is iostat(1) not working for acd(4) devices?
>
> Because acd doesn't make use of the standard kernel facilities that make
> iostat work. It's a deliberate choice by the driver author.
Same for systat -vm of course. I guess this was a regression, as acdX
used to show up fine in 4.X in {sys,io}stat, whether or not also showing
cdX (with atapicam). I often used to watch it while testing burned CDs.
Was that because of an API change to said kernel facilities, perhaps?
Cheers, Ian
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