Antonello Piemonte 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
Maybe the average request size from
iostat -x
could supply part of the /global/ piece?
--
Charles Polisher
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