src/graphit/make_graphs.php

   1 <?php
   2
   3 $time_lapse_start = 3;
   4 $time_lapse_end = 24;
   5
   6 if(isset($argc)) {
   7         if($argc!=2) {
   8                 error_log("Sorry, wrong arguments, need at least the log file name");
   9                 exit(0);
  10         }
  11 }
  12
  13 echo "argc: $argc\n";
  14 print_r($argv);
  15
  16 // first, load the data from the log
  17 $fh = fopen($argv[1], "r");
  18
  19 // in a way, we're fudging here cause we just add 30 to time all the time
  20 $ta = array();
  21 $time = 0;
  22 $time_begin = 0;
  23 $time_end = 0;
  24 while(($line = fgets($fh)) !== false) {
  25         if($time == 0) {
  26                 $time = ((int)(trim($line)/30))*30;
  27                 $time_begin = $time;
  28         }
  29         else $time += 30;
  30
  31         $epl_line = fgets($fh);
  32
  33         // parse the line... oh crap
  34         $lini = preg_split("/ +/", $epl_line);
  35         $ta[$time]["offset"] = trim($lini[8])*1000;
  36         $ta[$time]["jitter"] = trim($lini[9])*1000;
  37
  38         $time_end = $time;
  39
  40         //print_r($lini);
  41         //print_r($ta);
  42         //exit(0);
  43 }
  44
  45 // create archive 1 - only has 4 hours
  46 $options = array(
  47 "--step", "30",
  48 "--start", "$time_begin",
  49 "DS:offset:GAUGE:30:U:U",
  50 "DS:jitter:GAUGE:30:U:U",
  51 "RRA:AVERAGE:0.5:1:2880"
  52 );
  53
  54 $ret = rrd_create("first_4_hours.rrd", $options);
  55
  56 if(!$ret) {
  57         echo "RRD Creation problem: ".rrd_error()."\n";
  58 }
  59
  60 // create archive 1 everything
  61 $options = array(
  62 "--step", "30",
  63 "--start", "$time_begin",
  64 "DS:offset:GAUGE:30:U:U",
  65 "DS:jitter:GAUGE:30:U:U",
  66 "RRA:AVERAGE:0.5:1:2880",
  67 "RRA:AVERAGE:0.5:7:2880",
  68 "RRA:AVERAGE:0.5:30:2880",
  69 "RRA:AVERAGE:0.5:365:2880"
  70 );
  71
  72 $ret = rrd_create("all_data.rrd", $options);
  73
  74 if(!$ret) {
  75         echo "RRD Creation problem: ".rrd_error()."\n";
  76 }
  77
  78 $end_time_4 = $time_begin + (3600*$time_lapse_start);
  79
  80 foreach($ta as $key => $val) {
  81
  82         // first, update all data
  83         $off = $val["offset"];
  84         $jit = $val["jitter"];
  85         $ret = rrd_update("all_data.rrd", array("$key:$off:$jit"));
  86
  87         // if we're previous to 4 hours, update 4hours as well
  88
  89         if($key < $end_time_4) $ret = rrd_update("first_4_hours.rrd", array("$key:$off:$jit"));
  90 }
  91
  92
  93 // do the first four hour graphs
  94 // create first four hours graph of jit
  95 $options = array(
  96 "--start","$time_begin",
  97 "-w","600",
  98 "-h","300",
  99 "-l","-1",
 100 "--end","$end_time_4",
 101 "DEF:".$time_lapse_start."hr_jit=first_4_hours.rrd:jitter:AVERAGE",
 102 "LINE2:".$time_lapse_start."hr_jit#00FF00"
 103 );
 104
 105 // graph of jit
 106 rrd_graph($time_lapse_start."hour_first_jit.png", $options);
 107
 108 // create first four hours graph of off
 109 $options = array(
 110 "--start","$time_begin",
 111 "-w","600",
 112 "-h","300",
 113 "-l","-1000",
 114 "--end","$end_time_4",
 115 "DEF:".$time_lapse_start."hr_jit=first_4_hours.rrd:offset:AVERAGE",
 116 "LINE2:".$time_lapse_start."hr_jit#00FF00"
 117 );
 118
 119 // graph of offset
 120 rrd_graph($time_lapse_start."hour_first_off.png", $options);
 121
 122
 123
 124 $time_last_four = $time_end-(3600*$time_lapse_end);
 125
 126 // do the last four hour graphs
 127 // create first four hours graph of jit
 128 $options = array(
 129 "--start","$time_last_four",
 130 "-w","600",
 131 "-h","300",
 132 "--end","$time_end",
 133 "DEF:".$time_lapse_end."hr_jit=all_data.rrd:jitter:AVERAGE",
 134 "LINE2:".$time_lapse_end."hr_jit#00FF00"
 135 );
 136
 137 // graph of jit
 138 rrd_graph($time_lapse_end."hour_last_jit.png", $options);
 139
 140 // create first four hours graph of off
 141 $options = array(
 142 "--start","$time_last_four",
 143 "-w","600",
 144 "-h","300",
 145 "--end","$time_end",
 146 "DEF:".$time_lapse_end."hr_jit=all_data.rrd:offset:AVERAGE",
 147 "LINE2:".$time_lapse_end."hr_jit#00FF00"
 148 );
 149
 150 // graph of offset
 151 rrd_graph($time_lapse_end."hour_last_off.png", $options);
 152 ?>