includes/profiler/ProfilerSimpleText.php

   1 <?php
   2 /**
   3  * Profiler showing output in page source.
   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 Profiler
  22  */
  23
  24 /**
  25  * The least sophisticated profiler output class possible, view your source! :)
  26  *
  27  * Put the following 2 lines in StartProfiler.php:
  28  *
  29  * $wgProfiler['class'] = 'ProfilerSimpleText';
  30  * $wgProfiler['visible'] = true;
  31  *
  32  * @ingroup Profiler
  33  */
  34 class ProfilerSimpleText extends ProfilerSimple {
  35         public $visible = false; /* Show as <PRE> or <!-- ? */
  36         static private $out;
  37
  38         public function __construct( $profileConfig ) {
  39                 if ( isset( $profileConfig['visible'] ) && $profileConfig['visible'] ) {
  40                         $this->visible = true;
  41                 }
  42                 parent::__construct( $profileConfig );
  43         }
  44
  45         public function logData() {
  46                 if ( $this->mTemplated ) {
  47                         $this->close();
  48                         $totalReal = isset( $this->mCollated['-total'] )
  49                                 ? $this->mCollated['-total']['real']
  50                                 : 0; // profiling mismatch error?
  51                         uasort( $this->mCollated, array('self','sort') );
  52                         array_walk( $this->mCollated, array('self','format'), $totalReal );
  53                         if ( $this->visible ) {
  54                                 print '<pre>'.self::$out.'</pre>';
  55                         } else {
  56                                 print "<!--\n".self::$out."\n-->\n";
  57                         }
  58                 }
  59         }
  60
  61         static function sort( $a, $b ) {
  62                 return $a['real'] < $b['real']; /* sort descending by time elapsed */
  63         }
  64
  65         static function format( $item, $key, $totalReal ) {
  66                 $perc = $totalReal ? $item['real']/$totalReal*100 : 0;
  67                 self::$out .= sprintf( "%6.2f%% %3.6f %6d - %s\n",
  68                         $perc, $item['real'], $item['count'], $key );
  69         }
  70 }