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SubjectRe: Q: Gathering I/O stats per device and NFS stats
Date


----------
> From: Rik van Riel <H.H.vanRiel@fys.ruu.nl>
> To: Jeffrey Noll <jeffnoll@javanet.com>
> Subject: Re: Q: Gathering I/O stats per device and NFS stats
> Date: Monday, March 23, 1998 3:00 PM
>
> On Sun, 22 Mar 1998, Jeffrey Noll wrote:
>
> > What i'm looking to gather in some way are the following:
> > Disk I/O requests per device: ie: total read requests for sda1, sda2,
> > hda1, etc.
> > Disk transfers per device
> > NFS read/write requests
> > NFS transfers
> >
> > I've looked all over /proc and couldnt find a way and i've done some
> > source searching
>
> $ cat /proc/stat
>
> cpu 13123 479164 5105 21073
> disk 24889 7576 0 0
> disk_rio 21386 4136 0 0
> disk_wio 3503 3440 0 0
> disk_rblk 42952 8272 0 0
> disk_wblk 7378 6880 0 0
> page 111788 15524
> swap 30 172
> intr 602558 518465 13292 0 7 20 8 0 0 0 12392 0 9701 0 1 48670 2
> ctxt 133295
> btime 890677934
> processes 2024
>
> The files disk_* will tell you everything you need.
> The [rw]blk lines tell the number of transferred blocks,
> while the [rw]io tell the number of requests.
>
> Rik.
> +-------------------------------------------+--------------------------+
> | Linux: - LinuxHQ MM-patches page | Scouting webmaster |
> | - kswapd ask-him & complain-to guy | Vries cubscout leader |
> | http://www.fys.ruu.nl/~riel/ | <H.H.vanRiel@fys.ruu.nl> |
> +-------------------------------------------+--------------------------+
>

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