NAME

rrdgraph_examples - Examples for rrdtool graph

SYNOPSIS

rrdtool graph /home/httpd/html/test.png --imgformat PNG

followed by any of the examples below

DESCRIPTION

For your convenience some of the commands are explained here by using detailed examples. They are not always cut-and-paste ready because comments are intermixed with the examples.

EXAMPLES

Data with multiple resolutions

--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"

Nicely formatted legend section

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

Note: consolidation occurs here.

CDEF:ds0bits=ds0,8,*
CDEF:ds1bits=ds1,8,*

Note: 10 spaces to move text to the right

COMMENT:"          "

Note: the column titles have to be as wide as the columns

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"

Offsetting a line on the y-axis

Depending on your needs you can do this in two ways: