lib/AkProfiler.php

   1 <?php
   2 /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
   3
   4 // +----------------------------------------------------------------------+
   5 // | Akelos Framework - http://www.akelos.org                             |
   6 // +----------------------------------------------------------------------+
   7 // | Copyright (c) 2002-2006, Akelos Media, S.L.  & Bermi Ferrer Martinez |
   8 // | Released under the GNU Lesser General Public License, see LICENSE.txt|
   9 // +----------------------------------------------------------------------+
  10
  11 /**
  12  * @package ActiveSupport
  13  * @subpackage Reporting
  14  * @author Bermi Ferrer <bermi a.t akelos c.om>
  15  * @copyright Copyright (c) 2002-2006, Akelos Media, S.L. http://www.akelos.org
  16  * @license GNU Lesser General Public License <http://www.gnu.org/copyleft/lesser.html>
  17  */
  18
  19 if(!function_exists('memory_get_usage')){
  20     function memory_get_usage()
  21     {
  22         if ( substr(PHP_OS,0,3) == 'WIN') {
  23             $tmp = explode(',"'.getmypid().'",',`TASKLIST /FO "CSV"`);
  24             $tmp = explode("\n",$tmp[1]);
  25             $tmp = explode('"',trim($tmp[0],'"KB '));
  26             return intval(str_replace(array('.',','),array(''),$tmp[count($tmp)-1]))*1024;
  27         }else{
  28             $pid = getmypid();
  29             exec("ps -o rss -p $pid", $output);
  30             return $output[1] *1024;
  31         }
  32         return false;
  33     }
  34 }
  35
  36 class AkProfiler
  37 {
  38     var $_timeStart;
  39     var $report = '';
  40     var $_timer = array();
  41
  42     function init($message='Initializing profiler')
  43     {
  44         $this->_timeStart = $this->getMicrotime();
  45         $this->setFlag($message);
  46     }
  47
  48     function getMicrotime()
  49     {
  50         return array_sum(explode(' ',microtime()));
  51     }
  52
  53     function setFlag($flag)
  54     {
  55         $memory = AK_PROFILER_GET_MEMORY ? memory_get_usage() : 1;
  56         $this->_timer[] = array($this->getMicrotime(), $flag, $memory);
  57     }
  58
  59     function renderReport()
  60     {
  61         $this->setFlag('end');
  62         $end_time = $this->getMicrotime();
  63         $report = array();
  64         $this->report = '';
  65         $prev_time = $this->_timeStart;
  66         foreach($this->_timer as $k=>$timer ){
  67             $initial_memory = !isset($initial_memory) ? $timer[2] : $initial_memory;
  68             $average = number_format(100*(($timer[0]-$prev_time)/($end_time-$this->_timeStart)),4).' %';
  69
  70             $memory = ($timer[2]-$initial_memory)/1024;
  71
  72             $report[] =
  73             "<li>$average (".($k+1).") {$timer[1]}\t".
  74             number_format($timer[0]-$this->_timeStart,6)."\t".
  75             number_format(($timer[0] - $prev_time),6)."\t".
  76             "$average\t".
  77             "{$memory} KB (".number_format($timer[2]/1024,2)." KB)\n</li>";
  78
  79             $prev_time = $timer[0];
  80         }
  81         natsort($report);
  82         $report = array_reverse($report);
  83         $this->report .= "flag\tstarted\telapsed\taverage\n\n\nTotal time: <ul>".join("\n",$report).number_format($end_time-$this->_timeStart,6)."</ul>\n";
  84     }
  85
  86     function saveReport()
  87     {
  88         if($this->report == ''){
  89             $this->renderReport();
  90         }
  91         Ak::file_put_contents('profiler_results.txt',$this->report);
  92     }
  93
  94     function showReport()
  95     {
  96         if($this->report == ''){
  97             $this->renderReport();
  98         }
  99         echo $this->report;
 100         $this->saveReport();
 101     }
 102
 103 }
 104
 105
 106
 107 ?>