Grant Kelly wrote: >Perhaps I was unclear. I only want to graph "last time we got data", >as this should increase every ten minutes. I want to make a graph >that shows when this doesn't increase, and highlight areas where it >doesn't increase for a certain threshold of time. This appears >possible with rrdtool, to me at least. > >For example, imagine data like this: > >time | updated >------------------------------------------ >04301210 | 04301140 ( Apr 30 at 12:10PM, the most >recent data is 11:40AM) > >04301220 | 04301150 ( Apr 30 at 12:20PM, the most >recent data is 11:50AM) >04301230 | 04301150 ( ten minutes later, the most >recent data is still 11:50AM, unchanged) > >Could rrdtool handle this?
Yes, as long as you keep feeding in the time. If you stop feeding in the last-update time then you will get gaps in the data. _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
