iotop (dtrace?)

Stefan Bethke stb at
Tue Oct 25 20:52:46 UTC 2011

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.
>> 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. 
>> 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?
>> I can successfully run a couple of sample dtrace scripts on these 8-stable amd64 boxes.
> Can't 'top -mio' do the job?




Stefan Bethke <stb at>   Fon +49 151 14070811

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