includes/ProfilerSimple.php

   1 <?php
   2
   3 require_once(dirname(__FILE__).'/Profiler.php');
   4
   5 /**
   6  * Simple profiler base class.
   7  * @todo document methods (?)
   8  * @addtogroup Profiler
   9  */
  10 class ProfilerSimple extends Profiler {
  11         var $mMinimumTime = 0;
  12         var $mProfileID = false;
  13
  14         function __construct() {
  15                 global $wgRequestTime;
  16                 if (!empty($wgRequestTime)) {
  17                         $this->mWorkStack[] = array( '-total', 0, $wgRequestTime);
  18
  19                         $elapsedreal = microtime(true) - $wgRequestTime;
  20
  21                         $entry =& $this->mCollated["-setup"];
  22                         if (!is_array($entry)) {
  23                                 $entry = array('real' => 0.0, 'count' => 0);
  24                                 $this->mCollated["-setup"] =& $entry;
  25                         }
  26                         $entry['real'] += $elapsedreal;
  27                         $entry['count']++;
  28                 }
  29         }
  30
  31         function setMinimum( $min ) {
  32                 $this->mMinimumTime = $min;
  33         }
  34
  35         function setProfileID( $id ) {
  36                 $this->mProfileID = $id;
  37         }
  38
  39         function getProfileID() {
  40                 if ( $this->mProfileID === false ) {
  41                         return wfWikiID();
  42                 } else {
  43                         return $this->mProfileID;
  44                 }
  45         }
  46
  47         function profileIn($functionname) {
  48                 global $wgDebugFunctionEntry;
  49                 if ($wgDebugFunctionEntry) {
  50                         $this->debug(str_repeat(' ', count($this->mWorkStack)).'Entering '.$functionname."\n");
  51                 }
  52                 $this->mWorkStack[] = array($functionname, count( $this->mWorkStack));
  53         }
  54
  55         function profileOut($functionname) {
  56                 global $wgDebugFunctionEntry;
  57
  58                 if ($wgDebugFunctionEntry) {
  59                         $this->debug(str_repeat(' ', count($this->mWorkStack) - 1).'Exiting '.$functionname."\n");
  60                 }
  61
  62                 list($ofname, /* $ocount */ ,$ortime,$octime) = array_pop($this->mWorkStack);
  63
  64                 if (!$ofname) {
  65                         $this->debug("Profiling error: $functionname\n");
  66                 } else {
  67                         if ($functionname == 'close') {
  68                                 $message = "Profile section ended by close(): {$ofname}";
  69                                 $functionname = $ofname;
  70                                 $this->debug( "$message\n" );
  71                         }
  72                         elseif ($ofname != $functionname) {
  73                                 $message = "Profiling error: in({$ofname}), out($functionname)";
  74                                 $this->debug( "$message\n" );
  75                         }
  76                         $entry =& $this->mCollated[$functionname];
  77                         $elapsedcpu = $this->getCpuTime() - $octime;
  78                         $elapsedreal = microtime(true) - $ortime;
  79                         if (!is_array($entry)) {
  80                                 $entry = array('real' => 0.0, 'count' => 0);
  81                                 $this->mCollated[$functionname] =& $entry;
  82                         }
  83                         $entry['real'] += $elapsedreal;
  84                         $entry['count']++;
  85
  86                 }
  87         }
  88
  89         function getFunctionReport() {
  90                 /* Implement in output subclasses */
  91         }
  92
  93         /* If argument is passed, it assumes that it is dual-format time string, returns proper float time value */
  94         function getTime($time=null) {
  95                 if ($time==null)
  96                         return microtime(true);
  97                 list($a,$b)=explode(" ",$time);
  98                 return (float)($a+$b);
  99         }
 100
 101         function debug( $s ) {
 102                 if (function_exists( 'wfDebug' ) ) {
 103                         wfDebug( $s );
 104                 }
 105         }
 106 }
 107