index 2cbf49c90c9cf41217e00c7d805682528c29c7f5..f09ce847fe9a055fc872a48f2b1cc10faf4a9341 100644 (file)
=head1 NAME
-rrdtool graph - Round Robin Database tool grapher functions
+rrdgraph_examples - Examples for rrdtool graph
-WARNING: This is for version 1.1.x which is B<I<BETA>> software.
-The software may contain serious bugs. Some of the items
-described in here may not yet exist (although this should
-be mentioned) or still be in the alpha stage. As with every
-other RRDtool release: use at your own risk. In contrast with
-the stable version of RRDtool, this release may contain bugs
-known to the authors. It is highly recommended that you subscribe
-to the mailing list.
-
-=head1 SYNOPSYS
+=head1 SYNOPSIS
B<rrdtool graph /home/httpd/html/test.png --img-format PNG \>
=head1 EXAMPLES
+=head2 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\n"
+ LINE1:ds0b#00CCFF:"resolution 1800 seconds per interval\n"
+ LINE1:ds0c#FF00FF:"resolution 7200 seconds per interval\n"
+
=head2 Nicely formatted legend section
DEF:ds0=/home/rrdtool/data/router1.rrd:ds0:AVERAGE
VDEF:ds1avg=ds1,AVERAGE,8,*
VDEF:ds1min=ds1,MINIMUM,8,*
VDEF:ds1pct=95,ds1,PERCENTILE,8,*
+
Note: consolidation occurs here.
+
CDEF:ds0bits=ds0,8,*
CDEF:ds1bits=ds1,8,*
+
Note: 10 spaces to move text to the right
+
COMMENT:" "
-Note: three times size == 11 chars, "###.## xBps"
+
+Note: the column titles have to be as wide as the columns
+
COMMENT:"Maximum "
COMMENT:"Average "
COMMENT:"Minimum "
-Note: last line contains new-line character
+
+Note: some lines contains the new-line character "\n"
+
COMMENT:"95th percentile\n"
AREA:ds0bits#00C000:"Inbound "
GPRINT:ds0max:"%6.2lf %Sbps"
Offset the data, then graph this
DEF:mydata=my.rrd:ds:AVERAGE
-Note: this will also influence anything that uses "data"
+
+Note: this will also influence any other command that uses "data"
+
CDEF:data=mydata,100,+
LINE1:data#FF0000:"Data with offset"
Graph the original data, with an offset
DEF:mydata=my.rrd:ds:AVERAGE
+
Note: no color in the first line so it is not visible
+
LINE1:100
+
Note: the second line gets stacked on top of the first one
+
LINE1:data#FF0000:"Data with offset":STACK
=back
=head2 Time ranges
Last four weeks: --start end-4w --end 00:00
- Januari 2001: --start 200101010000 --end start+31d
- Januari 2001: --start 200101010000 --end 200102010000
+ January 2001: --start 200101010000 --end start+31d
+ January 2001: --start 200101010000 --end 200102010000
Last hour: --start end-1h
Last 24 hours: <nothing at all>
Yesterday: --end 00:00
-=head2 Viewing Januari+Februari 2000 and 2001 together
-
-Define a graph area of 31+29 days (!) spanning Jan. and Feb.
- --start 20000101 --end 20000301
- DEF:jan2000=router.rrd:ds0:AVERAGE:start 20000101 end start+31d
- DEF:jan2001=router.rrd:ds0:AVERAGE:start 20010101 end start+31d
-Note: mind the extra day in 2000 ...
- DEF:feb2000=router.rrd:ds0:AVERAGE:start 20000201 end start+29d
-Note: 29 feb 2001 is *unknown*
- DEF:feb2001=router.rrd:ds0:AVERAGE:start 20010201 end start+28d
- VDEF:offset=jan2001,FIRST,jan2000,FIRST,-,-1,*
+=head2 Viewing the current and previous week together
+
+ --end now --start end-1w
+ DEF:thisweek=router.rrd:ds0:AVERAGE
+ DEF:lastweek=router.rrd:ds0:AVERAGE:end=now-1w:start=end-1w
+
+Shift the data forward by one week (604800 seconds)
+
+ SHIFT:lastweek:604800
[ more of the usual VDEF and CDEF stuff if you like ]
- LINE1:jan2000#00003F:"Januari 2000"
- [ gprint stuff ]
- LINE1:feb2001#003F00:"Februari 2000"
- [ gprint stuff ]
-Note: offset is made negative by the VDEF statement
- SHIFT:offset
- LINE1:jan2001#0000FF:"Januari 2001"
- [ gprint stuff ]
- LINE1:feb2001#00FF00:"Februari 2001"
- [ gprint stuff ]
+ AREA:lastweek#0000FF:Last\ week
+ LINE1:thisweek#FF0000:This\ week
=head1 SEE ALSO
L<rrdgraph> gives an overview of how B<rrdtool graph> works.
-L<rrdgraph_data> describes B<DEF>,B<CDEF> and B<VDEF> in detail,
-L<rrdgraph_rpn> describes the B<RPN> language used in the B<?DEF> statements,
-L<rrdgraph_graph> page describes all of the graph and print functions.
+L<rrdgraph_data> describes B<DEF>,B<CDEF> and B<VDEF> in detail.
+L<rrdgraph_rpn> describes the B<RPN> language used in the B<?DEF> statements.
+L<rrdgraph_graph> page describes all the graph and print functions.
Make sure to read L<rrdgraph_examples> for tipsE<amp>tricks.
Program by Tobias Oetiker E<lt>oetiker@ee.ethz.chE<gt>
This manual page by Alex van den Bogaerdt E<lt>alex@ergens.op.het.netE<gt>
-