Hi Long, Today long wrote:
> > Hi, > > We need to graph a COUNTER (as input) but for output, instead of a rate of > change, we simply need the difference against the previous reading (instead > of difference against the previous reading divided by the polling period in > seconds, as the existing COUNTER data type of RRDTool). > > So, we need to create a new Data Type. > > Also for Consolidation, we would like to simply add all the values, so a new > Consolidation Function is needed as well (in addition to the existing > AVERAGE, MIN, MAX, LAST). > > The use case is we would like to have a total of all the count over the > measurement period (5 mins, 30 mins, 1 hour, ...). So we need a total, not a > rate for 5 mins, then for 30 mins, 1 hours ... and so on. > > We've been using Cacti, which uses RRDTool so we have a solid understand of > what RRDTool can do and can not do. > > However, we have never tried to develop code for RRDTool before. Please let > us know any coding guidelines, patch submission process ... anything to help > us create a new Data Type and CF, make sure the graph generation is still > working, being able to patch our current RRDTool, contribute to your code > repository so the next release of RRDTool will have the new feature > built-in. Any of these information will be very appreciated. I have a premotion this might be a long discussion, but maybe we can cut it short, let me try: If you want to know the total amount of traffic for a periode of a day (example), just ask rrdtool for the avarage rate of traffic for a day and multiply this number with the number of seconds in a day ... cheers tobi -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland http://it.oetiker.ch t...@oetiker.ch ++41 62 775 9902 / sb: -9900 _______________________________________________ rrd-developers mailing list rrd-developers@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/rrd-developers
