7249b07aac48a2d7d8f579d82870c00b1ea2ef3f
1 #! @PERL@
3 #makes things work when run without install
4 use lib qw( ../bindings/perl-shared/blib/lib ../bindings/perl-shared/blib/arch );
5 # this is for after install
6 use lib qw( @prefix@/lib/perl ../lib/perl );
8 use RRDs;
10 my $start=time;
11 my $rrd="randome.rrd";
12 my $name = $0;
13 $name =~ s/\.pl.*//g;
15 RRDs::create ($rrd, "--start",$start-1, "--step",300,
16 "DS:a:GAUGE:600:U:U",
17 "DS:b:GAUGE:600:U:U",
18 "RRA:AVERAGE:0.5:1:300",
19 "RRA:MIN:0.5:12:300",
20 "RRA:MAX:0.5:12:300",
21 );
23 my $ERROR = RRDs::error;
24 die "$0: unable to create `$rrd': $ERROR\n" if $ERROR;
26 # dropt some data into the rrd
27 my $t;
28 for ($t=$start; $t<$start+300*300; $t+=300){
29 RRDs::update $rrd, "$t:".(sin($t/3000)*50+50).":".(sin($t/2500)*50+50);
30 if ($ERROR = RRDs::error) {
31 die "$0: unable to update `$rrd': $ERROR\n";
32 }
33 }
35 my $c1="f57912a0";
36 my $c2="2a79e9a0";
37 my $w=300;
38 my $h=140;
40 RRDs::graph "$name-L.png",
41 "--title", "2 LINES",
42 "--start", "now",
43 "--end", "start+15h",
44 "--lower-limit=0",
45 "--interlace",
46 "--imgformat","PNG",
47 "--width=$w",
48 "--height=$h",
49 "DEF:a=$rrd:a:AVERAGE",
50 "DEF:b=$rrd:b:AVERAGE",
51 "LINE1:a#$c1:Value A",
52 "LINE3:b#$c2:Value B",
53 ;
55 RRDs::graph "$name-A.png",
56 "--title", "LINE and AREA",
57 "--start", "now",
58 "--end", "start+15h",
59 "--lower-limit=0",
60 "--interlace",
61 "--imgformat","PNG",
62 "--width=$w",
63 "--height=$h",
64 "DEF:a=$rrd:a:AVERAGE",
65 "DEF:b=$rrd:b:AVERAGE",
66 "AREA:a#$c1:Value A",
67 "LINE2:b#$c2:Value B",
68 ;
70 RRDs::graph "$name-S.png",
71 "--title", "STACKED AREAS",
72 "--start", "now",
73 "--end", "start+15h",
74 "--lower-limit=0",
75 "--interlace",
76 "--imgformat","PNG",
77 "--width=$w",
78 "--height=$h",
79 "DEF:a=$rrd:a:AVERAGE",
80 "DEF:b=$rrd:b:AVERAGE",
81 "AREA:a#$c1:Value A",
82 "STACK:b#$c2:Value B",
83 ;
86 RRDs::graph "$name-M.png",
87 "--title", "RPN Magic",
88 "--start", "now",
89 "--end", "start+15h",
90 "--lower-limit=0",
91 "--interlace",
92 "--imgformat","PNG",
93 "--width=$w",
94 "--height=$h",
95 "DEF:a=$rrd:a:AVERAGE",
96 "DEF:b=$rrd:b:AVERAGE",
97 "CDEF:alpha=TIME,3600,%,1800,LT,a,UNKN,IF",
98 "CDEF:beta=TIME,3600,%,1800,GE,b,UNKN,IF",
99 "AREA:alpha#$c1:Value A",
100 "LINE1:a#$c1",
101 "AREA:beta#$c2:Value B",
102 "LINE1:b#$c2",
103 ;
105 RRDs::graph "$name-sample.png",
106 "--title", "Sample",
107 "--start", "now",
108 "--end", "start+15h",
109 "--lower-limit=0",
110 "--interlace",
111 "--imgformat","PNG",
112 "--width=600",
113 "--height=50",
114 "DEF:a=$rrd:a:AVERAGE",
115 "DEF:b=$rrd:a:MAX",
116 "AREA:a#00ff00:Incoming",
117 "LINE1:b#ff0000:Max Incoming",
118 ;
120 if ($ERROR = RRDs::error) {
121 print "ERROR: $ERROR\n";
122 };
124 print "This script has created $name.png in the current directory\n";
125 print "This demonstrates the use of the TIME and % RPN operators\n";