[rrd-users] Compute energy consumption on a given period

fma fma at gbiloba.org
Sat Oct 31 10:58:07 CET 2009


I'm using rrdtool to display electrical consumption. The 'teleinfo' measure
gives instant currents for all 3 phases, instant power, and total energy.

The energy increases at each measure (I update the rrd database every 300s).
I would like to display the energy consumption on a given period. For
exemple, in the week graph, which shows values of the last 8 days, I would
like to compute, for each point, what energy I used during the last 24

I tried a lot of things, but can't get something working. So, I'm asking
your help.

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