RRDGRAPH_EXAMPLES(1) rrdtool RRDGRAPH_EXAMPLES(1) (NAME) rrdgraph_examples - rrdtool graph (SYNOPSIS) rrdtool graph /home/httpd/html/test.png --imgformat PNG (DESCRIPTION) . (cut-and-paste) . (EXAMPLES) --end now --start end-120000s --width 400 DEF:ds0a=/home/rrdtool/data/router1.rrd:ds0:AVERAGE DEF:ds0b=/home/rrdtool/data/router1.rrd:ds0:AVERAGE:step=1800 DEF:ds0c=/home/rrdtool/data/router1.rrd:ds0:AVERAGE:step=7200 LINE1:ds0a#0000FF:"default resolution\l" LINE1:ds0b#00CCFF:"resolution 1800 seconds per interval\l" LINE1:ds0c#FF00FF:"resolution 7200 seconds per interval\l" DEF:ds0=/home/rrdtool/data/router1.rrd:ds0:AVERAGE DEF:ds1=/home/rrdtool/data/router1.rrd:ds1:AVERAGE VDEF:ds0max=ds0,MAXIMUM VDEF:ds0avg=ds0,AVERAGE VDEF:ds0min=ds0,MINIMUM VDEF:ds0pct=ds0,95,PERCENT VDEF:ds1max=ds1,MAXIMUM VDEF:ds1avg=ds1,AVERAGE VDEF:ds1min=ds1,MINIMUM VDEF:ds1pct=ds1,95,PERCENT : (consolidation) . CDEF:ds0bits=ds0,8,* CDEF:ds1bits=ds1,8,* : COMMENT:" " : COMMENT:"Maximum " COMMENT:"Average " COMMENT:"Minimum " COMMENT:"95th percentile\l" AREA:ds0bits#00C000:"Inbound " GPRINT:ds0max:"%6.2lf %Sbps" GPRINT:ds0avg:"%6.2lf %Sbps" GPRINT:ds0min:"%6.2lf %Sbps" GPRINT:ds0pct:"%6.2lf %Sbps\l" LINE1:ds1bits#0000FF:"Outbound" GPRINT:ds1max:"%6.2lf %Sbps" GPRINT:ds1avg:"%6.2lf %Sbps" GPRINT:ds1min:"%6.2lf %Sbps" GPRINT:ds1pct:"%6.2lf %Sbps\l" y : o (offset) DEF:mydata=my.rrd:ds:AVERAGE : <> CDEF:data=mydata,100,+ LINE1:data#FF0000:"Data with offset" o DEF:mydata=my.rrd:ds:AVERAGE : LINE1:100 : (STACK ) LINE1:mydata#FF0000:"Data with offset":STACK HRULE VRULE o : - - - - - LINE1:data#FF0000:"dashed line":dashes o : - - --- - --- - LINE1:data#FF0000:"another dashed line":dashes=15,5,5,10:dash-offset=10 Last four weeks: --start end-4w --end 00:00 January 2001: --start 20010101 --end start+31d January 2001: --start 20010101 --end 20010201 Last hour: --start end-1h Last 24 hours: Yesterday: --end 00:00 --end now --start end-1w DEF:thisweek=router.rrd:ds0:AVERAGE DEF:lastweek=router.rrd:ds0:AVERAGE:end=now-1w:start=end-1w ( ) (Shift) SHIFT:lastweek:604800 [ more of the usual VDEF and CDEF stuff if you like ] AREA:lastweek#0000FF:Last\ week LINE1:thisweek#FF0000:This\ week RRA . rrdtool graph example.png \ DEF:obs=monitor.rrd:ifOutOctets:AVERAGE \ DEF:pred=monitor.rrd:ifOutOctets:HWPREDICT \ DEF:dev=monitor.rrd:ifOutOctets:DEVPREDICT \ DEF:fail=monitor.rrd:ifOutOctets:FAILURES \ TICK:fail#ffffa0:1.0:"Failures\: Average bits out" \ CDEF:scaledobs=obs,8,* \ CDEF:upper=pred,dev,2,*,+ \ CDEF:lower=pred,dev,2,*,- \ CDEF:scaledupper=upper,8,* \ CDEF:scaledlower=lower,8,* \ LINE2:scaledobs#0000ff:"Average bits out" \ LINE1:scaledupper#ff0000:"Upper Confidence Bound: Average bits out" \ LINE1:scaledlower#ff0000:"Lower Confidence Bound: Average bits out" (LINE2 scaledobs) ( scaledupper scaledlower) ( ) ( fail) . RRA AVERAGE ( ). ( ) RRA HWPREDICT . ( ) RRA DEVPREDICT . RRA FAILURES . ( Octet) . (CDEF upper lower). TICK RRA . 1.0 axis-fraction y . ( ) RRA FAILURES . ( rrdtune ) . : graph rrdtool RRD. . RRA graph . (SEE ALSO) rrdgraph rrdtool graph . rrdgraph_data DEF CDEF VDEF . rrdgraph_rpn RPN xDEF . rrdgraph_graph . (AUTHOR) Tobias Oetiker Alex van den Bogaerdt / 1.11.0 2026-08-08 RRDGRAPH_EXAMPLES(1)