includes/profiler/ProfilerStub.php

   1 <?php
   2 /**
   3  * Stub profiling functions
   4  * @file
   5  * @ingroup Profiler
   6  */
   7 class ProfilerStub extends Profiler {
   8
   9         /**
  10          * is setproctitle function available?
  11          * @var bool
  12          */
  13         private $haveProctitle;
  14         private $hackWhere = array();
  15
  16         /**
  17          * Constructor. Check for proctitle.
  18          */
  19         public function __construct() {
  20                 $this->haveProctitle = function_exists( 'setproctitle' );
  21         }
  22
  23         public function isStub() {
  24                 return true;
  25         }
  26
  27         /**
  28          * Begin profiling of a function
  29          * @param $fn string
  30          */
  31         public function profileIn( $fn ) {
  32                 global $wgDBname;
  33                 if( $this->haveProctitle ){
  34                         $this->hackWhere[] = $fn;
  35                         setproctitle( $fn . " [$wgDBname]" );
  36                 }
  37         }
  38
  39         /**
  40          * Stop profiling of a function
  41          * @param $fn string
  42          */
  43         public function profileOut( $fn ) {
  44                 global $wgDBname;
  45                 if( !$this->haveProctitle ) {
  46                         return;
  47                 }
  48                 if( count( $this->hackWhere ) ) {
  49                         array_pop( $this->hackWhere );
  50                 }
  51                 if( count( $this->hackWhere ) ) {
  52                         setproctitle( $this->hackWhere[count( $this->hackWhere )-1] . " [$wgDBname]" );
  53                 }
  54         }
  55
  56         /**
  57          * Does nothing, just for compatibility
  58          */
  59         public function getOutput() {}
  60         public function close() {}
  61 }