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   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;