Subject: Re: bin/36445: iostat(8) -x with a wait interval doesn't work
To: None <gnats-admin@netbsd.org, netbsd-bugs@netbsd.org,>
From: Antti Kantee <pooka@cs.hut.fi>
List: netbsd-bugs
Date: 06/05/2007 15:45:03
The following reply was made to PR bin/36445; it has been noted by GNATS.
From: Antti Kantee <pooka@cs.hut.fi>
To: juan@mail.xtrarom.org
Cc: gnats-bugs@netbsd.org
Subject: Re: bin/36445: iostat(8) -x with a wait interval doesn't work
Date: Tue, 5 Jun 2007 18:44:35 +0300
On Tue Jun 05 2007 at 15:35:00 +0000, juan@mail.xtrarom.org wrote:
> iostat(8) -x with a wait interval only reports the values
> the first time it runs, after it all values are 0.
>
> I guess that the code is missing a call to the refresh
> function in the wait interval loop, without looking at the
> code.
>
> $ iostat -w1 -x
> device read KB/t r/s time MB/s write KB/t w/s time MB/s
> cd0 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> wd0 3.39 22 0.13 0.07 9.36 69 0.13 0.63
> nfs0 12.76 0 0.00 0.00 4.00 0 0.00 0.00
> nfs1 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> nfs3 59.54 0 0.00 0.00 0.00 0 0.00 0.00
> device read KB/t r/s time MB/s write KB/t w/s time MB/s
> cd0 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> wd0 0.00 0 0.00 0.00 2.00 2 0.00 0.00
^^^^^^^^^^^
That's a pretty large value of 0.
> nfs0 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> nfs1 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> nfs3 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> device read KB/t r/s time MB/s write KB/t w/s time MB/s
> cd0 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> wd0 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> nfs0 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> nfs1 0.00 0 0.00 0.00 0.00 0 0.00 0.00
> nfs3 0.00 0 0.00 0.00 0.00 0 0.00 0.00
--
Antti Kantee <pooka@iki.fi> Of course he runs NetBSD
http://www.iki.fi/pooka/ http://www.NetBSD.org/
"la qualité la plus indispensable du cuisinier est l'exactitude"