maintenance/benchmarks/benchmarkHooks.php

   1 <?php
   2 /**
   3  * Benchmark %MediaWiki hooks.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Benchmark
  22  */
  23
  24 require_once __DIR__ . '/Benchmarker.php';
  25
  26 /**
  27  * Maintenance script that benchmarks %MediaWiki hooks.
  28  *
  29  * @ingroup Benchmark
  30  */
  31 class BenchmarkHooks extends Benchmarker {
  32         public function __construct() {
  33                 parent::__construct();
  34                 $this->mDescription = 'Benchmark MediaWiki Hooks.';
  35         }
  36
  37         public function execute() {
  38                 global $wgHooks;
  39                 $wgHooks['Test'] = array();
  40
  41                 $time = $this->benchHooks();
  42                 $this->output( 'Empty hook: ' . $time . "\n" );
  43
  44                 $wgHooks['Test'][] = array( $this, 'test' );
  45                 $time = $this->benchHooks();
  46                 $this->output( 'Loaded (one) hook: ' . $time . "\n" );
  47
  48                 for ( $i = 0; $i < 9; $i++ ) {
  49                         $wgHooks['Test'][] = array( $this, 'test' );
  50                 }
  51                 $time = $this->benchHooks();
  52                 $this->output( 'Loaded (ten) hook: ' . $time . "\n" );
  53
  54                 for ( $i = 0; $i < 90; $i++ ) {
  55                         $wgHooks['Test'][] = array( $this, 'test' );
  56                 }
  57                 $time = $this->benchHooks();
  58                 $this->output( 'Loaded (one hundred) hook: ' . $time . "\n" );
  59                 $this->output( "\n" );
  60         }
  61
  62         /**
  63          * @param int $trials
  64          * @return string
  65          */
  66         private function benchHooks( $trials = 10 ) {
  67                 $start = microtime( true );
  68                 for ( $i = 0; $i < $trials; $i++ ) {
  69                         wfRunHooks( 'Test' );
  70                 }
  71                 $delta = microtime( true ) - $start;
  72                 $pertrial = $delta / $trials;
  73
  74                 return sprintf( "Took %6.3fms",
  75                         $pertrial * 1000 );
  76         }
  77
  78         /**
  79          * @return bool
  80          */
  81         public function test() {
  82                 return true;
  83         }
  84 }
  85
  86 $maintClass = 'BenchmarkHooks';
  87 require_once RUN_MAINTENANCE_IF_MAIN;