Date: Thu, 26 May 2005 16:00:09 GMT From: Andriy Gapon <avg@icyb.net.ua> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/81496: acd (atapicd) device lacks devstat Message-ID: <200505261600.j4QG0947012075@freefall.freebsd.org>
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The following reply was made to PR kern/81496; it has been noted by GNATS.
From: Andriy Gapon <avg@icyb.net.ua>
To: Poul-Henning Kamp <phk@phk.freebsd.dk>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: kern/81496: acd (atapicd) device lacks devstat
Date: Thu, 26 May 2005 18:53:57 +0300
on 26.05.2005 18:31 Poul-Henning Kamp said the following:
> In message <200505261152.j4QBqFEV082234@www.freebsd.org>, Andriy Gapon writes:
>
>
> Use the gstat(8) program instead.
>
Poul-Henning,
here's an output from gstat while copying a file from a UDF filesystem
on acd0 to a filesystem on ad0s1f (5.4-release, atapicam is present in
the kernel):
dT: 0.501 flag_I 500000us sizeof 240 i -1
L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name
0 22 0 0 0.0 22 2811 1.5 3.3| ad0
0 22 0 0 0.0 22 2811 1.5 3.3| ad0s1
0 0 0 0 0.0 0 0 0.0 0.0| acd0
0 0 0 0 0.0 0 0 0.0 0.0| acd0t01
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1a
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1b
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1c
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1d
0 0 0 0 0.0 0 0 0.0 0.0| ad0s1e
0 22 0 0 0.0 22 2811 1.5 3.4| ad0s1f
0 0 0 0 0.0 0 0 0.0 0.0| acd1
1 44 44 2811 22.5 0 0 0.0 99.1| cd0
0 0 0 0 0.0 0 0 0.0 0.0| acd1t01
0 0 0 0 0.0 0 0 0.0 0.0| cd1
I am not sure why acd0 got all zeros.
Anyway, even if gstat should work perfectly for acd, I think it is no
reason to have iostat/systat incomplete. Also, a reference to gstat(8)
in iostat(8) and systat(1) would be nice too.
Btw, is it a bug or a feature that gstat requires root privileges ? -
iostat/systat can be run as a regualr user:
gstat: geom_stats_open(): Permission denied
--
Andriy Gapon
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