maintenance/benchmarks/benchmarkHooks.php

   1 <?php
   2 /**
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  16  * http://www.gnu.org/copyleft/gpl.html
  17  *
  18  * @file
  19  * @ingroup Benchmark
  20  */
  21
  22 require_once( dirname( __FILE__ ) . '/Benchmarker.php' );
  23
  24 class BenchmarkHooks extends Benchmarker {
  25
  26         public function __construct() {
  27                 parent::__construct();
  28                 $this->mDescription = 'Benchmark MediaWiki Hooks.';
  29         }
  30
  31         public function execute() {
  32                 global $wgHooks;
  33                 $wgHooks['Test'] = array();
  34
  35                 $time = $this->benchHooks();
  36                 $this->output( 'Empty hook: ' . $time . "\n" );
  37
  38                 $wgHooks['Test'][] = array( $this, 'test' );
  39                 $time = $this->benchHooks();
  40                 $this->output( 'Loaded (one) hook: ' . $time . "\n" );
  41
  42                 for( $i = 0; $i < 9; $i++ ) {
  43                         $wgHooks['Test'][] = array( $this, 'test' );
  44                 }
  45                 $time = $this->benchHooks();
  46                 $this->output( 'Loaded (ten) hook: ' . $time . "\n" );
  47
  48                 for( $i = 0; $i < 90; $i++ ) {
  49                         $wgHooks['Test'][] = array( $this, 'test' );
  50                 }
  51                 $time = $this->benchHooks();
  52                 $this->output( 'Loaded (one hundred) hook: ' . $time . "\n" );
  53                 $this->output( "\n" );
  54         }
  55
  56         /**
  57          * @param $trials int
  58          * @return string
  59          */
  60         private function benchHooks( $trials = 10 ) {
  61                 $start = wfTime();
  62                 for ( $i = 0; $i < $trials; $i++ ) {
  63                         wfRunHooks( 'Test' );
  64                 }
  65                 $delta = wfTime() - $start;
  66                 $pertrial = $delta / $trials;
  67                 return sprintf( "Took %6.2fs",
  68                         $pertrial );
  69         }
  70
  71         /**
  72          * @return bool
  73          */
  74         public function test() {
  75                 return true;
  76         }
  77 }
  78
  79 $maintClass = 'BenchmarkHooks';
  80 require_once( RUN_MAINTENANCE_IF_MAIN );