From owner-freebsd-hackers@FreeBSD.ORG  Tue Oct 25 20:52:46 2011
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From: Stefan Bethke <stb@lassitu.de>
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Date: Tue, 25 Oct 2011 22:52:45 +0200
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To: Baptiste Daroussin <bapt@FreeBSD.org>
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Subject: Re: iotop (dtrace?)
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Am 25.10.2011 um 22:50 schrieb Baptiste Daroussin:

> On Tue, Oct 25, 2011 at 10:34:39PM +0200, Stefan Bethke wrote:
>> I've got two systems with a constantly high rate of disk I/O that =
sometimes seems to be overwhelmed from it.  Before trying to decide if a =
hardware upgrade will help, I'd like to figure out which processes =
generate the load.
>>=20
>> I've found a couple scripts named iotop which appear to produce what =
I would be interested in, but they appear to require Solaris or Linux.=20=

>>=20
>> Has someone ported over one of them, or would have a suggestion how =
to go about writing a custom dtrace script to gather this kind of =
information?
>>=20
>> I can successfully run a couple of sample dtrace scripts on these =
8-stable amd64 boxes.
>>=20
>=20
> Can't 'top -mio' do the job?

D'oh!


Thanks!

Stefan

--=20
Stefan Bethke <stb@lassitu.de>   Fon +49 151 14070811