[rrd-users] Re: rrdtool graph question

Rodrigo Gesswein rodri at chilesat.net
Tue Jun 19 16:02:06 MEST 2001


> Hello,
> does anyone no how to do the following ?
> I have a rrdfile with 3 GAUGE datasources A, B and C.
> Now I want to graph the following formula on a line or area :
> (A + B - C) / (A + B)

       Maybe a CDEF like CDEF:var=A,B,+,C,-,A,B,+,/
       And then graph var do the trick...

                                   Rodrigo Gesswein P.
"Your life has been what it's been, and is what it is,
 because of who you have been, and who you are being."

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