profileinfo.php

   1 <?php
   2 /**
   3  * Show profiling data.
   4  *
   5  * Copyright 2005 Kate Turner.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * @file
  26  */
  27
  28 ini_set( 'zlib.output_compression', 'off' );
  29
  30 $wgEnableProfileInfo = $wgProfileToDatabase = false;
  31 if ( isset( $_SERVER['MW_COMPILED'] ) ) {
  32         require ( 'core/includes/WebStart.php' );
  33 } else {
  34         require ( __DIR__ . '/includes/WebStart.php' );
  35 }
  36
  37
  38 header( 'Content-Type: text/html; charset=utf-8' );
  39
  40 ?>
  41 <html>
  42 <head>
  43 <title>Profiling data</title>
  44 <style type="text/css">
  45         th {
  46                 text-align: left;
  47                 border-bottom: solid 1px black;
  48         }
  49
  50         th, td {
  51                 padding-left: 0.5em;
  52                 padding-right: 0.5em;
  53         }
  54
  55         td.timep, td.memoryp, td.count, td.cpr, td.tpc, td.mpc, td.tpr, td.mpr {
  56                 text-align: right;
  57         }
  58         td.timep, td.tpc, td.tpr {
  59                 background-color: #ffff80;
  60         }
  61         td.memoryp, td.mpc, td.mpr {
  62                 background-color: #80f8ff;
  63         }
  64         td.count, td,cpr {
  65                 background-color: #80ff80;
  66         }
  67         td.name {
  68                 background-color: #89f9f9;
  69         }
  70
  71         tr:hover {
  72                 font-weight: bold;
  73         }
  74 </style>
  75 </head>
  76 <body>
  77 <?php
  78
  79 if ( !$wgEnableProfileInfo ) {
  80         echo "<p>Disabled</p>\n";
  81         echo "</body></html>";
  82         exit( 1 );
  83 }
  84
  85 $dbr = wfGetDB( DB_SLAVE );
  86
  87 if( !$dbr->tableExists( 'profiling' ) ) {
  88         echo "<p>No 'profiling' table exists, so we can't show you anything.</p>\n";
  89         echo "<p>If you want to log profiling data, create the table using "
  90                 . "<tt>maintenance/archives/patch-profiling.sql</tt> and enable "
  91                 . "<tt>\$wgProfileToDatabase</tt>.</p>\n";
  92         echo "</body></html>";
  93         exit( 1 );
  94 }
  95
  96 $expand = array();
  97 if ( isset( $_REQUEST['expand'] ) )
  98         foreach( explode( ',', $_REQUEST['expand'] ) as $f )
  99                 $expand[$f] = true;
 100
 101 class profile_point {
 102         var $name;
 103         var $count;
 104         var $time;
 105         var $children;
 106
 107         static $totaltime, $totalmemory, $totalcount;
 108
 109         function __construct( $name, $count, $time, $memory ) {
 110                 $this->name = $name;
 111                 $this->count = $count;
 112                 $this->time = $time;
 113                 $this->memory = $memory;
 114                 $this->children = array();
 115         }
 116
 117         function add_child( $child ) {
 118                 $this->children[] = $child;
 119         }
 120
 121         function display( $expand, $indent = 0.0 ) {
 122                 usort( $this->children, 'compare_point' );
 123
 124                 $ex = isset( $expand[$this->name()] );
 125
 126                 if ( !$ex ) {
 127                         if ( count( $this->children ) ) {
 128                                 $url = getEscapedProfileUrl( false, false, $expand + array( $this->name() => true ) );
 129                                 $extet = " <a href=\"$url\">[+]</a>";
 130                         } else {
 131                                 $extet = '';
 132                         }
 133                 } else {
 134                         $e = array();
 135                         foreach ( $expand as $name => $ep ) {
 136                                 if ( $name != $this->name() ) {
 137                                         $e += array( $name => $ep );
 138                                 }
 139                         }
 140
 141                         $extet = " <a href=\"" . getEscapedProfileUrl( false, false, $e ) . "\">[–]</a>";
 142                 }
 143                 ?>
 144                 <tr>
 145                 <td class="name" style="padding-left: <?php echo $indent ?>em;">
 146                         <?php echo htmlspecialchars( $this->name() ) . $extet ?>
 147                 </td>
 148                 <td class="timep"><?php echo @wfPercent( $this->time() / self::$totaltime * 100 ) ?></td>
 149                 <td class="memoryp"><?php echo @wfPercent( $this->memory() / self::$totalmemory * 100 ) ?></td>
 150                 <td class="count"><?php echo $this->count() ?></td>
 151                 <td class="cpr"><?php echo round( sprintf( '%.2f', $this->callsPerRequest() ), 2 ) ?></td>
 152                 <td class="tpc"><?php echo round( sprintf( '%.2f', $this->timePerCall() ), 2 ) ?></td>
 153                 <td class="mpc"><?php echo round( sprintf( '%.2f' ,$this->memoryPerCall() / 1024 ), 2 ) ?></td>
 154                 <td class="tpr"><?php echo @round( sprintf( '%.2f', $this->time() / self::$totalcount ), 2 ) ?></td>
 155                 <td class="mpr"><?php echo @round( sprintf( '%.2f' ,$this->memory() / self::$totalcount / 1024 ), 2 ) ?></td>
 156                 </tr>
 157                 <?php
 158                 if ( $ex ) {
 159                         foreach ( $this->children as $child ) {
 160                                 $child->display( $expand, $indent + 2 );
 161                         }
 162                 }
 163         }
 164
 165         function name() {
 166                 return $this->name;
 167         }
 168
 169         function count() {
 170                 return $this->count;
 171         }
 172
 173         function time() {
 174                 return $this->time;
 175         }
 176
 177         function memory() {
 178                 return $this->memory;
 179         }
 180
 181         function timePerCall() {
 182                 return @( $this->time / $this->count );
 183         }
 184
 185         function memoryPerCall() {
 186                 return @( $this->memory / $this->count );
 187         }
 188
 189         function callsPerRequest() {
 190                 return @( $this->count / self::$totalcount );
 191         }
 192
 193         function timePerRequest() {
 194                 return @( $this->time / self::$totalcount );
 195         }
 196
 197         function memoryPerRequest() {
 198                 return @( $this->memory / self::$totalcount );
 199         }
 200
 201         function fmttime() {
 202                 return sprintf( "%5.02f", $this->time );
 203         }
 204 };
 205
 206 function compare_point(profile_point $a, profile_point $b) {
 207         global $sort;
 208         switch ( $sort ) {
 209         case "name":
 210                 return strcmp( $a->name(), $b->name() );
 211         case "time":
 212                 return $a->time() > $b->time() ? -1 : 1;
 213         case "memory":
 214                 return $a->memory() > $b->memory() ? -1 : 1;
 215         case "count":
 216                 return $a->count() > $b->count() ? -1 : 1;
 217         case "time_per_call":
 218                 return $a->timePerCall() > $b->timePerCall() ? -1 : 1;
 219         case "memory_per_call":
 220                 return $a->memoryPerCall() > $b->memoryPerCall() ? -1 : 1;
 221         case "calls_per_req":
 222                 return $a->callsPerRequest() > $b->callsPerRequest() ? -1 : 1;
 223         case "time_per_req":
 224                 return $a->timePerRequest() > $b->timePerRequest() ? -1 : 1;
 225         case "memory_per_req":
 226                 return $a->memoryPerRequest() > $b->memoryPerRequest() ? -1 : 1;
 227         }
 228 }
 229
 230 $sorts = array( 'time', 'memory', 'count', 'calls_per_req', 'name',
 231         'time_per_call', 'memory_per_call', 'time_per_req', 'memory_per_req' );
 232 $sort = 'time';
 233 if ( isset( $_REQUEST['sort'] ) && in_array( $_REQUEST['sort'], $sorts ) )
 234         $sort = $_REQUEST['sort'];
 235
 236 $res = $dbr->select( 'profiling', '*', array(), 'profileinfo.php', array( 'ORDER BY' => 'pf_name ASC' ) );
 237
 238 if (isset( $_REQUEST['filter'] ) )
 239         $filter = $_REQUEST['filter'];
 240 else
 241         $filter = '';
 242
 243 ?>
 244 <form method="get" action="profileinfo.php">
 245 <p>
 246 <input type="text" name="filter" value="<?php echo htmlspecialchars($filter)?>"/>
 247 <input type="hidden" name="sort" value="<?php echo htmlspecialchars($sort)?>"/>
 248 <input type="hidden" name="expand" value="<?php echo htmlspecialchars(implode(",", array_keys($expand)))?>"/>
 249 <input type="submit" value="Filter" />
 250 </p>
 251 </form>
 252
 253 <table cellspacing="0" border="1">
 254 <tr id="top">
 255 <th><a href="<?php echo getEscapedProfileUrl( false, 'name' ) ?>">Name</a></th>
 256 <th><a href="<?php echo getEscapedProfileUrl( false, 'time' ) ?>">Time (%)</a></th>
 257 <th><a href="<?php echo getEscapedProfileUrl( false, 'memory' ) ?>">Memory (%)</a></th>
 258 <th><a href="<?php echo getEscapedProfileUrl( false, 'count' ) ?>">Count</a></th>
 259 <th><a href="<?php echo getEscapedProfileUrl( false, 'calls_per_req' ) ?>">Calls/req</a></th>
 260 <th><a href="<?php echo getEscapedProfileUrl( false, 'time_per_call' ) ?>">ms/call</a></th>
 261 <th><a href="<?php echo getEscapedProfileUrl( false, 'memory_per_call' ) ?>">kb/call</a></th>
 262 <th><a href="<?php echo getEscapedProfileUrl( false, 'time_per_req' ) ?>">ms/req</a></th>
 263 <th><a href="<?php echo getEscapedProfileUrl( false, 'memory_per_req' ) ?>">kb/req</a></th>
 264 </tr>
 265 <?php
 266 profile_point::$totaltime = 0.0;
 267 profile_point::$totalcount = 0;
 268 profile_point::$totalmemory = 0.0;
 269
 270 function getEscapedProfileUrl( $_filter = false, $_sort = false, $_expand = false ) {
 271         global $filter, $sort, $expand;
 272
 273         if ( $_expand === false )
 274                 $_expand = $expand;
 275
 276         return htmlspecialchars(
 277                 '?' .
 278                 wfArrayToCGI( array(
 279                         'filter' => $_filter ? $_filter : $filter,
 280                         'sort' => $_sort ? $_sort : $sort,
 281                         'expand' => implode( ',', array_keys( $_expand ) )
 282                 ) )
 283         );
 284 }
 285
 286 $points = array();
 287 $queries = array();
 288 $sqltotal = 0.0;
 289
 290 $last = false;
 291 foreach( $res as $o ) {
 292         $next = new profile_point( $o->pf_name, $o->pf_count, $o->pf_time, $o->pf_memory );
 293         if( $next->name() == '-total' ) {
 294                 profile_point::$totaltime = $next->time();
 295                 profile_point::$totalcount = $next->count();
 296                 profile_point::$totalmemory = $next->memory();
 297         }
 298         if ( $last !== false ) {
 299                 if ( preg_match( "/^".preg_quote( $last->name(), "/" )."/", $next->name() ) ) {
 300                         $last->add_child($next);
 301                         continue;
 302                 }
 303         }
 304         $last = $next;
 305         if ( preg_match( "/^query: /", $next->name() ) || preg_match( "/^query-m: /", $next->name() ) ) {
 306                 $sqltotal += $next->time();
 307                 $queries[] = $next;
 308         } else {
 309                 $points[] = $next;
 310         }
 311 }
 312
 313 $s = new profile_point( "SQL Queries", 0, $sqltotal, 0, 0 );
 314 foreach ( $queries as $q )
 315         $s->add_child($q);
 316 $points[] = $s;
 317
 318 usort( $points, "compare_point" );
 319
 320 foreach ( $points as $point ) {
 321         if ( strlen( $filter ) && !strstr( $point->name(), $filter ) )
 322                 continue;
 323
 324         $point->display( $expand );
 325 }
 326 ?>
 327 </table>
 328
 329 <p>Total time: <tt><?php printf("%5.02f", profile_point::$totaltime) ?></tt></p>
 330 <p>Total memory: <tt><?php printf("%5.02f", profile_point::$totalmemory / 1024 ) ?></tt></p>
 331 </body>
 332 </html>