Date: Fri, 16 Mar 2001 20:04:18 +0300 From: "Sergey A. Osokin" <osa@freebsd.org.ru> To: current@FreeBSD.org Subject: Re: libdevstat Message-ID: <20010316200418.C97376@freebsd.org.ru> In-Reply-To: <20010316084351.A29888@fw.wintelcom.net>; from bright@wintelcom.net on Fri, Mar 16, 2001 at 08:43:51AM -0800
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On Fri, Mar 16, 2001 at 08:43:51AM -0800, Alfred Perlstein wrote:
> * Sergey A. Osokin <osa@freebsd.org.ru> [010316 08:27] wrote:
> > On Fri, Mar 16, 2001 at 09:27:30AM -0600, Dan Nelson wrote:
> > > In the last episode (Mar 16), Sergey A. Osokin said:
> > > > Hello, -currenters.
> > > >
> > > > What do you think about add to libdevstat in/out/other statistics? I
> > > > think transfer great too, but sometimes that's not enough. iostat
> > > > can't show read and write stats separatly, because compute_stats from
> > > > libdevstat simply sum up all results (in/out/other).
> > >
> > > Struct devstat already has bytes_read and bytes_written per device, and
> > > the values are filled in (gkrellm seems to be able to get read/written
> > > stats just fine).
> >
> > gkrellm good tool, but i don't want istall X/gtk/bla-bla-bla
> > on remote server. I want to use some CLI tool for it, like iostat
> > or somethink else.
> >
> > Another idea?
>
> I think what he's saying is that libdevstat is OK, it's just that
> the tools that use it sum up the stats instead of displaying them
> inidividually.
Yes, libdevstat have data, but iostat display transfer = read+write+other.
But i want to see something like following:
totalreads = current->num_reads - ((previous) ?
previous->num_reads : 0);
totalwrites = current->num_writes - ((previous) ?
previous->num_writes : 0);
totalother = current->num_other - ((previous) ?
previous->num_other : 0);
> I would look at fixing iostat because libdevstat seems to provide
> all the data needed.
OK. Thanks.
--
Rgdz, /"\
Sergey Osokin aka oZZ, \ / ASCII RIBBON CAMPAIGN
osa@freebsd.org.ru X AGAINST HTML MAIL
http://freebsd.org.ru/~osa/ / \
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