Beginners question, I guess....
I've created a rrd database with this command
rrdtool create %rrdfile% --start n
DS:femtendata:GAUGE:600:U:U (...)
RRA:AVERAGE:0.5:2:1008
Every 5 minutes I insert the latest set of values into the rrd database, and running this
command correctly returns timestamp and the latest set of values
rrdtool lastupdate %rrdfile%
This command line generates a png-file with maximum-value printed in the bottom line
Question: How do I expand the command line to make rrdtool write the latest set of absolute
values?
rrdtool graph (...)
DEF:femten=%rrdfile%:femtendata:AVERAGE (.....)
VDEF:femax=femten,MAXIMUM (...)
GPRINT:femax:"%%10.0lf" (what to insert here?)
Thanks
Best regards
Peter
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