Date: Thu, 26 May 2005 16:10:05 GMT From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/81496: acd (atapicd) device lacks devstat Message-ID: <200505261610.j4QGA50j017302@freefall.freebsd.org>
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The following reply was made to PR kern/81496; it has been noted by GNATS. From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: kern/81496: acd (atapicd) device lacks devstat Date: Thu, 26 May 2005 18:09:25 +0200 In message <4295F115.4050301@icyb.net.ua>, Andriy Gapon writes: >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. Because you use atapi-cam and /dev/cd0 ? >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. Yeah, I think it is point 1032 on my todo list :-( >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 That's probably a bug. -- 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.
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