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         }
  28         return false;
  29     }
  30 }
  31
  32 class AkProfiler
  33 {
  34     var $_timeStart;
  35     var $report = '';
  36     var $_timer = array();
  37
  38     function init($message='Initializing profiler')
  39     {
  40         $this->_timeStart = $this->getMicrotime();
  41         $this->setFlag($message);
  42     }
  43
  44     function getMicrotime()
  45     {
  46         return array_sum(explode(' ',microtime()));
  47     }
  48
  49     function setFlag($flag)
  50     {
  51         $memory = AK_PROFILER_GET_MEMORY ? memory_get_usage() : 1;
  52         $this->_timer[] = array($this->getMicrotime(), $flag, $memory);
  53     }
  54
  55     function renderReport()
  56     {
  57         $this->setFlag('end');
  58         $end_time = $this->getMicrotime();
  59         $report = array();
  60         $this->report = '';
  61         $prev_time = $this->_timeStart;
  62         foreach($this->_timer as $k=>$timer ){
  63             $initial_memory = !isset($initial_memory) ? $timer[2] : $initial_memory;
  64             $average = number_format(100*(($timer[0]-$prev_time)/($end_time-$this->_timeStart)),4).' %';
  65
  66             $memory = ($timer[2]-$initial_memory)/1024;
  67
  68             $report[] =
  69             "<li>$average (".($k+1).") {$timer[1]}\t".
  70             number_format($timer[0]-$this->_timeStart,6)."\t".
  71             number_format(($timer[0] - $prev_time),6)."\t".
  72             "$average\t".
  73             "{$memory} KB (".number_format($timer[2]/1024,2)." KB)\n</li>";
  74
  75             $prev_time = $timer[0];
  76         }
  77         natsort($report);
  78         $report = array_reverse($report);
  79         $this->report .= "flag\tstarted\telapsed\taverage\n\n\nTotal time: <ul>".join("\n",$report).number_format($end_time-$this->_timeStart,6)."</ul>\n";
  80     }
  81
  82     function saveReport()
  83     {
  84         if($this->report == ''){
  85             $this->renderReport();
  86         }
  87         Ak::file_put_contents('profiler_results.txt',$this->report);
  88     }
  89
  90     function showReport()
  91     {
  92         if($this->report == ''){
  93             $this->renderReport();
  94         }
  95         echo $this->report;
  96         $this->saveReport();
  97     }
  98
  99 }
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 103 ?>