[rrd-users] Re: PHP4-RRDTool continues..

Dan Cech dcech at phpwerx.net
Wed Aug 23 21:59:25 MEST 2006

Westlake, Simon wrote:
> Does anyone know of some undocumented way (or some way I'm not
> understanding from the rrdgraph manpage) to manipulate the data pulled
> from the rrd file and perform a mathematical equation on it?

You can create a CDEF based on your DS like:


The graph bitsin, rather than rawin


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