[CentOS] I/O size distribution?

Sat Dec 25 17:04:55 UTC 2010
Lucian <lucian at lastdot.org>

On Tue, Dec 21, 2010 at 10:01 PM, Antonello Piemonte
<apiemont at googlemail.com> wrote:
> Hello
>
> I have read that under Solaris one can use DTrace to get I/O request
> size distribution on a global scale (also on a per process/pid basis).
> See for example
>
> http://prefetch.net/articles/observeiodtk.html
>
> Can anyone recommend an alternative to get similar information under
> CentOS? I looked into dtrace for linux but it seems still work in
> progress, even putting aside CDDL issues ...
>
> http://www.crisp.demon.co.uk/tools.html
>
> Thanks!
> Antonello
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>

Nowhere near as advanced, but give dstat a try.

http://www.nux.ro/archive/2010/08/I_O_stats_for_Centos.html