User Guide: RRDtool - secviz/davix GitHub Wiki

oss.oetiker.ch/rrdtool

A tool for graphing time series data.

rrdtutorial

Currently there is no help available for rrdtool.

• Open a console.
• To set up the round robin database use the following command:
  

  rrdtool create test.rrd —start 920804400 DS:speed:COUNTER:600:U:U
  
      RRA:AVERAGE:0.5:1:24 RRA:AVERAGE:0.5:6:10
  
  

• To update the database with data use the following commands:
  

  rrdtool update test.rrd 920804700:12345 920805000:12357 920805300:12363
  
  rrdtool update test.rrd 920805600:12363 920805900:12363 920806200:12373
  
  rrdtool update test.rrd 920806500:12383 920806800:12393 920807100:12399
  
  rrdtool update test.rrd 920807400:12405 920807700:12411 920808000:12415
  
  rrdtool update test.rrd 920808300:12420 920808600:12422 920808900:12423
  
  

• The following command generates a PNG file with the graph:
  

  rrdtool graph speed.png —start 920804400 —end 920808000 
  
  DEF:myspeed=test.rrd:speed:AVERAGE LINE2:myspeed#FF0000
  
  

• Open GQview and view image speed.png