server_status.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * displays status variables with descriptions and some hints an optmizing
   5  *  + reset status variables
   6  *
   7  * @package phpMyAdmin
   8  */
   9
  10 /**
  11  * no need for variables importing
  12  * @ignore
  13  */
  14 if (! defined('PMA_NO_VARIABLES_IMPORT')) {
  15     define('PMA_NO_VARIABLES_IMPORT', true);
  16 }
  17
  18 if (isset($_REQUEST['ajax_request']) && $_REQUEST['ajax_request'] == true)
  19     $GLOBALS['is_header_sent'] = true;
  20
  21 require_once './libraries/common.inc.php';
  22
  23 /**
  24  * Function to output refresh rate selection.
  25  */
  26 function PMA_choose_refresh_rate() {
  27     echo '<option value="5">' . __('Refresh rate') . '</option>';
  28     foreach (array(1, 2, 5, 20, 40, 60, 120, 300, 600) as $rate) {
  29         if ($rate % 60 == 0) {
  30             $minrate = $rate / 60;
  31             echo '<option value="' . $rate . '">' . sprintf(_ngettext('%d minute', '%d minutes', $minrate), $minrate) . '</option>';
  32         } else {
  33             echo '<option value="' . $rate . '">' . sprintf(_ngettext('%d second', '%d seconds', $rate), $rate) . '</option>';
  34         }
  35     }
  36 }
  37
  38 /**
  39  * Ajax request
  40  */
  41
  42 if (isset($_REQUEST['ajax_request']) && $_REQUEST['ajax_request'] == true) {
  43     // Send with correct charset
  44     header('Content-Type: text/html; charset=UTF-8');
  45
  46     if (isset($_REQUEST['logging_vars'])) {
  47         if (isset($_REQUEST['varName']) && isset($_REQUEST['varValue'])) {
  48             $value = PMA_sqlAddslashes($_REQUEST['varValue']);
  49             if (!is_numeric($value)) $value="'".$value."'";
  50
  51             if (!preg_match("/[^a-zA-Z0-9_]+/",$_REQUEST['varName']))
  52                 PMA_DBI_query('SET GLOBAL ' . $_REQUEST['varName'] . ' = '.$value);
  53
  54         }
  55
  56         $loggingVars = PMA_DBI_fetch_result(
  57             "SHOW GLOBAL VARIABLES WHERE Variable_name IN (
  58                 'general_log', 'slow_query_log', 'long_query_time', 'log_output')", 0, 1);
  59         exit(json_encode($loggingVars));
  60     }
  61
  62     // real-time charting data
  63     if (isset($_REQUEST['chart_data'])) {
  64         switch($_REQUEST['type']) {
  65             case 'proc':
  66                 $c = PMA_DBI_fetch_result("SHOW GLOBAL STATUS WHERE Variable_name = 'Connections'", 0, 1);
  67                 $result = PMA_DBI_query('SHOW PROCESSLIST');
  68                 $num_procs = PMA_DBI_num_rows($result);
  69
  70                 $ret = array(
  71                     'x'      => microtime(true)*1000,
  72                     'y_proc' => $num_procs,
  73                     'y_conn' => $c['Connections']
  74                 );
  75
  76                 exit(json_encode($ret));
  77
  78             case 'queries':
  79                 if (PMA_DRIZZLE) {
  80                     $sql = "SELECT concat('Com_', variable_name), variable_value
  81                         FROM data_dictionary.GLOBAL_STATEMENTS
  82                         WHERE variable_value > 0
  83                           UNION
  84                         SELECT variable_name, variable_value
  85                         FROM data_dictionary.GLOBAL_STATUS
  86                         WHERE variable_name = 'Questions'";
  87                     $queries = PMA_DBI_fetch_result($sql, 0, 1);
  88                 } else {
  89                     $queries = PMA_DBI_fetch_result(
  90                         "SHOW GLOBAL STATUS
  91                         WHERE (Variable_name LIKE 'Com_%' OR Variable_name = 'Questions')
  92                             AND Value > 0'", 0, 1);
  93                 }
  94                 cleanDeprecated($queries);
  95                 // admin commands are not queries
  96                 unset($queries['Com_admin_commands']);
  97                 $questions = $queries['Questions'];
  98                 unset($queries['Questions']);
  99
 100                 //$sum=array_sum($queries);
 101                 $ret = array(
 102                     'x'         => microtime(true)*1000,
 103                     'y'         => $questions,
 104                     'pointInfo' => $queries
 105                 );
 106
 107                 exit(json_encode($ret));
 108
 109             case 'traffic':
 110                 $traffic = PMA_DBI_fetch_result(
 111                     "SHOW GLOBAL STATUS
 112                     WHERE Variable_name = 'Bytes_received'
 113                         OR Variable_name = 'Bytes_sent'", 0, 1);
 114
 115                 $ret = array(
 116                     'x'          => microtime(true)*1000,
 117                     'y_sent'     => $traffic['Bytes_sent'],
 118                     'y_received' => $traffic['Bytes_received']
 119                 );
 120
 121                 exit(json_encode($ret));
 122
 123             case 'chartgrid':
 124                 $ret = json_decode($_REQUEST['requiredData'], true);
 125                 $statusVars = array();
 126                 $sysinfo = $cpuload = $memory = 0;
 127
 128                 foreach ($ret as $chart_id => $chartNodes) {
 129                     foreach ($chartNodes as $node_id => $node) {
 130                         switch ($node['dataType']) {
 131                             case 'statusvar':
 132                                 // Some white list filtering
 133                                 if (!preg_match('/[^a-zA-Z_]+/',$node['name']))
 134                                     $statusVars[] = $node['name'];
 135                                 break;
 136
 137                             case 'proc':
 138                                 $result = PMA_DBI_query('SHOW PROCESSLIST');
 139                                 $ret[$chart_id][$node_id]['y'] = PMA_DBI_num_rows($result);
 140                                 break;
 141
 142                             case 'cpu':
 143                                 if (!$sysinfo) {
 144                                     require_once('libraries/sysinfo.lib.php');
 145                                     $sysinfo = getSysInfo();
 146                                 }
 147                                 if (!$cpuload)
 148                                     $cpuload = $sysinfo->loadavg();
 149
 150                                 if (PHP_OS == 'Linux') {
 151                                     $ret[$chart_id][$node_id]['idle'] = $cpuload['idle'];
 152                                     $ret[$chart_id][$node_id]['busy'] = $cpuload['busy'];
 153                                 } else
 154                                     $ret[$chart_id][$node_id]['y'] = $cpuload['loadavg'];
 155
 156                                 break;
 157
 158                             case 'memory':
 159                                 if (!$sysinfo) {
 160                                     require_once('libraries/sysinfo.lib.php');
 161                                     $sysinfo = getSysInfo();
 162                                 }
 163                                 if (!$memory)
 164                                     $memory  = $sysinfo->memory();
 165
 166                                 $ret[$chart_id][$node_id]['y'] = $memory[$node['name']];
 167                                 break;
 168                         }
 169                     }
 170                 }
 171
 172                 $vars = PMA_DBI_fetch_result(
 173                     "SHOW GLOBAL STATUS
 174                     WHERE Variable_name='" . implode("' OR Variable_name='", $statusVars) . "'", 0, 1);
 175
 176                 foreach ($ret as $chart_id => $chartNodes) {
 177                     foreach ($chartNodes as $node_id => $node) {
 178                         if ($node['dataType'] == 'statusvar')
 179                             $ret[$chart_id][$node_id]['y'] = $vars[$node['name']];
 180                     }
 181                 }
 182
 183                 $ret['x'] = microtime(true)*1000;
 184
 185                 exit(json_encode($ret));
 186         }
 187     }
 188
 189     if (isset($_REQUEST['log_data'])) {
 190         $start = intval($_REQUEST['time_start']);
 191         $end = intval($_REQUEST['time_end']);
 192
 193         if ($_REQUEST['type'] == 'slow') {
 194             $q = 'SELECT SUM(query_time) AS TIME(query_time), SUM(lock_time) as lock_time, '.
 195                  'SUM(rows_sent) AS rows_sent, SUM(rows_examined) AS rows_examined, sql_text, COUNT(sql_text) AS \'#\' '.
 196                  'FROM `mysql`.`slow_log` WHERE event_time > FROM_UNIXTIME('.$start.') '.
 197                  'AND event_time < FROM_UNIXTIME('.$end.') GROUP BY sql_text';
 198
 199             $result = PMA_DBI_try_query($q);
 200
 201             $return = array('rows' => array(), 'sum' => array());
 202             $type = '';
 203
 204             while ($row = PMA_DBI_fetch_assoc($result)) {
 205                 $type = substr($row['sql_text'],0,strpos($row['sql_text'],' '));
 206                 $return['sum'][$type]++;
 207                 $return['rows'][] = $row;
 208             }
 209
 210             $return['sum']['TOTAL'] = array_sum($return['sum']);
 211
 212             PMA_DBI_free_result($result);
 213
 214             exit(json_encode($return));
 215         }
 216
 217         if ($_REQUEST['type'] == 'general') {
 218             $q = 'SELECT TIME(event_time) as event_time, user_host, thread_id, server_id, argument, count(argument) as \'#\' FROM `mysql`.`general_log` WHERE command_type=\'Query\' '.
 219                  'AND event_time > FROM_UNIXTIME('.$start.') AND event_time < FROM_UNIXTIME('.$end.') '.
 220                  'AND argument REGEXP \'^(INSERT|SELECT|UPDATE|DELETE)\' GROUP by argument'; // HAVING count > 1';
 221
 222             $result = PMA_DBI_try_query($q);
 223
 224             $return = array('rows' => array(), 'sum' => array());
 225             $type = '';
 226             $insertTables = array();
 227             $insertTablesFirst = -1;
 228             $i = 0;
 229
 230             while ($row = PMA_DBI_fetch_assoc($result)) {
 231                 preg_match('/^(\w+)\s/',$row['argument'],$match);
 232                 $type = strtolower($match[1]);
 233                 // Ignore undefined index warning, just increase counter by one
 234                 @$return['sum'][$type] += $row['#'];
 235
 236                 if ($type=='insert' || $type=='update') {
 237                     // Group inserts if selected
 238                     if ($type=='insert' && isset($_REQUEST['groupInserts']) && $_REQUEST['groupInserts'] && preg_match('/^INSERT INTO (`|\'|"|)([^\s\\1]+)\\1/i',$row['argument'],$matches)) {
 239                         $insertTables[$matches[2]]++;
 240                         if ($insertTables[$matches[2]] > 1) {
 241                             $return['rows'][$insertTablesFirst]['#'] = $insertTables[$matches[2]];
 242
 243                             // Add a ... to the end of this query to indicate that there's been other queries
 244                             if ($return['rows'][$insertTablesFirst]['argument'][strlen($return['rows'][$insertTablesFirst]['argument'])-1] != '.')
 245                                 $return['rows'][$insertTablesFirst]['argument'] .= '<br/>...';
 246
 247                             // Group this value, thus do not add to the result list
 248                             continue;
 249                         } else {
 250                             $insertTablesFirst = $i;
 251                             $insertTables[$matches[2]] += $row['#'] - 1;
 252                         }
 253                     }
 254
 255                     // Cut off big selects, but append byte count therefor
 256                     if (strlen($row['argument']) > 180) {
 257                         $row['argument'] = substr($row['argument'],0,160) . '... [' .
 258                                             PMA_formatByteDown(strlen($row['argument']), 2).']';
 259                     }
 260                 }
 261                 $return['rows'][] = $row;
 262                 $i++;
 263             }
 264
 265             $return['sum']['TOTAL'] = array_sum($return['sum']);
 266             $return['numRows'] = count($return['rows']);
 267
 268             PMA_DBI_free_result($result);
 269
 270             exit(json_encode($return));
 271         }
 272     }
 273 }
 274
 275
 276 /**
 277  * Replication library
 278  */
 279 if (PMA_DRIZZLE) {
 280     $server_master_status = false;
 281     $server_slave_status = false;
 282 } else {
 283     require './libraries/replication.inc.php';
 284     require_once './libraries/replication_gui.lib.php';
 285 }
 286
 287 /**
 288  * JS Includes
 289  */
 290
 291 $GLOBALS['js_include'][] = 'server_status.js';
 292 $GLOBALS['js_include'][] = 'jquery/jquery-ui-1.8.custom.js';
 293 $GLOBALS['js_include'][] = 'jquery/jquery.tablesorter.js';
 294 $GLOBALS['js_include'][] = 'jquery/jquery.cookie.js'; // For tab persistence
 295 $GLOBALS['js_include'][] = 'jquery/jquery.json-2.2.js';
 296 $GLOBALS['js_include'][] = 'jquery/jquery.sprintf.js';
 297 $GLOBALS['js_include'][] = 'jquery/jquery.sortableTable.js';
 298 $GLOBALS['js_include'][] = 'jquery/timepicker.js';
 299 // Charting
 300 $GLOBALS['js_include'][] = 'highcharts/highcharts.js';
 301 /* Files required for chart exporting */
 302 $GLOBALS['js_include'][] = 'highcharts/exporting.js';
 303 $GLOBALS['js_include'][] = 'canvg/flashcanvas.js';
 304 $GLOBALS['js_include'][] = 'canvg/canvg.js';
 305 $GLOBALS['js_include'][] = 'canvg/rgbcolor.js';
 306
 307 /**
 308  * flush status variables if requested
 309  */
 310 if (isset($_REQUEST['flush'])) {
 311     $_flush_commands = array(
 312         'STATUS',
 313         'TABLES',
 314         'QUERY CACHE',
 315     );
 316
 317     if (in_array($_REQUEST['flush'], $_flush_commands)) {
 318         PMA_DBI_query('FLUSH ' . $_REQUEST['flush'] . ';');
 319     }
 320     unset($_flush_commands);
 321 }
 322
 323 /**
 324  * Kills a selected process
 325  */
 326 if (!empty($_REQUEST['kill'])) {
 327     if (PMA_DBI_try_query('KILL ' . $_REQUEST['kill'] . ';')) {
 328         $message = PMA_Message::success(__('Thread %s was successfully killed.'));
 329     } else {
 330         $message = PMA_Message::error(__('phpMyAdmin was unable to kill thread %s. It probably has already been closed.'));
 331     }
 332     $message->addParam($_REQUEST['kill']);
 333     //$message->display();
 334 }
 335
 336
 337
 338 /**
 339  * get status from server
 340  */
 341 $server_status = PMA_DBI_fetch_result('SHOW GLOBAL STATUS', 0, 1);
 342 if (PMA_DRIZZLE) {
 343     // Drizzle doesn't put query statistics into variables, add it
 344     $sql = "SELECT concat('Com_', variable_name), variable_value
 345         FROM data_dictionary.GLOBAL_STATEMENTS";
 346     $statements = PMA_DBI_fetch_result($sql, 0, 1);
 347     $server_status = array_merge($server_status, $statements);
 348 }
 349
 350 /**
 351  * for some calculations we require also some server settings
 352  */
 353 $server_variables = PMA_DBI_fetch_result('SHOW GLOBAL VARIABLES', 0, 1);
 354
 355 /**
 356  * cleanup of some deprecated values
 357  */
 358 cleanDeprecated($server_status);
 359
 360 /**
 361  * calculate some values
 362  */
 363 // Key_buffer_fraction
 364 if (isset($server_status['Key_blocks_unused'])
 365         && isset($server_variables['key_cache_block_size'])
 366         && isset($server_variables['key_buffer_size'])) {
 367     $server_status['Key_buffer_fraction_%'] =
 368         100
 369         - $server_status['Key_blocks_unused']
 370         * $server_variables['key_cache_block_size']
 371         / $server_variables['key_buffer_size']
 372         * 100;
 373 } elseif (isset($server_status['Key_blocks_used'])
 374         && isset($server_variables['key_buffer_size'])) {
 375     $server_status['Key_buffer_fraction_%'] =
 376         $server_status['Key_blocks_used']
 377         * 1024
 378         / $server_variables['key_buffer_size'];
 379   }
 380
 381 // Ratio for key read/write
 382 if (isset($server_status['Key_writes'])
 383         && isset($server_status['Key_write_requests'])
 384         && $server_status['Key_write_requests'] > 0) {
 385     $server_status['Key_write_ratio_%'] = 100 * $server_status['Key_writes'] / $server_status['Key_write_requests'];
 386 }
 387
 388 if (isset($server_status['Key_reads'])
 389         && isset($server_status['Key_read_requests'])
 390         && $server_status['Key_read_requests'] > 0) {
 391     $server_status['Key_read_ratio_%'] = 100 * $server_status['Key_reads'] / $server_status['Key_read_requests'];
 392 }
 393
 394 // Threads_cache_hitrate
 395 if (isset($server_status['Threads_created'])
 396         && isset($server_status['Connections'])
 397         && $server_status['Connections'] > 0) {
 398     $server_status['Threads_cache_hitrate_%'] =
 399         100
 400         - $server_status['Threads_created']
 401         / $server_status['Connections']
 402         * 100;
 403 }
 404
 405 // Format Uptime_since_flush_status : show as days, hours, minutes, seconds
 406 if (isset($server_status['Uptime_since_flush_status'])) {
 407     $server_status['Uptime_since_flush_status'] = PMA_timespanFormat($server_status['Uptime_since_flush_status']);
 408 }
 409
 410 /**
 411  * split variables in sections
 412  */
 413 $allocations = array(
 414     // variable name => section
 415     // variable names match when they begin with the given string
 416
 417     'Com_'              => 'com',
 418     'Innodb_'           => 'innodb',
 419     'Ndb_'              => 'ndb',
 420     'Handler_'          => 'handler',
 421     'Qcache_'           => 'qcache',
 422     'Threads_'          => 'threads',
 423     'Slow_launch_threads' => 'threads',
 424
 425     'Binlog_cache_'     => 'binlog_cache',
 426     'Created_tmp_'      => 'created_tmp',
 427     'Key_'              => 'key',
 428
 429     'Delayed_'          => 'delayed',
 430     'Not_flushed_delayed_rows' => 'delayed',
 431
 432     'Flush_commands'    => 'query',
 433     'Last_query_cost'   => 'query',
 434     'Slow_queries'      => 'query',
 435     'Queries'           => 'query',
 436     'Prepared_stmt_count' => 'query',
 437
 438     'Select_'           => 'select',
 439     'Sort_'             => 'sort',
 440
 441     'Open_tables'       => 'table',
 442     'Opened_tables'     => 'table',
 443     'Open_table_definitions' => 'table',
 444     'Opened_table_definitions' => 'table',
 445     'Table_locks_'      => 'table',
 446
 447     'Rpl_status'        => 'repl',
 448     'Slave_'            => 'repl',
 449
 450     'Tc_'               => 'tc',
 451
 452     'Ssl_'              => 'ssl',
 453
 454     'Open_files'        => 'files',
 455     'Open_streams'      => 'files',
 456     'Opened_files'      => 'files',
 457 );
 458
 459 $sections = array(
 460     // section => section name (description)
 461     'com'           => 'Com',
 462     'query'         => __('SQL query'),
 463     'innodb'        => 'InnoDB',
 464     'ndb'           => 'NDB',
 465     'handler'       => __('Handler'),
 466     'qcache'        => __('Query cache'),
 467     'threads'       => __('Threads'),
 468     'binlog_cache'  => __('Binary log'),
 469     'created_tmp'   => __('Temporary data'),
 470     'delayed'       => __('Delayed inserts'),
 471     'key'           => __('Key cache'),
 472     'select'        => __('Joins'),
 473     'repl'          => __('Replication'),
 474     'sort'          => __('Sorting'),
 475     'table'         => __('Tables'),
 476     'tc'            => __('Transaction coordinator'),
 477     'files'         => __('Files'),
 478     'ssl'           => 'SSL',
 479     'other'         => __('Other')
 480 );
 481
 482 /**
 483  * define some needfull links/commands
 484  */
 485 // variable or section name => (name => url)
 486 $links = array();
 487
 488 $links['table'][__('Flush (close) all tables')]
 489     = $PMA_PHP_SELF . '?flush=TABLES&amp;' . PMA_generate_common_url();
 490 $links['table'][__('Show open tables')]
 491     = 'sql.php?sql_query=' . urlencode('SHOW OPEN TABLES') .
 492         '&amp;goto=server_status.php&amp;' . PMA_generate_common_url();
 493
 494 if ($server_master_status) {
 495     $links['repl'][__('Show slave hosts')]
 496         = 'sql.php?sql_query=' . urlencode('SHOW SLAVE HOSTS') .
 497             '&amp;goto=server_status.php&amp;' . PMA_generate_common_url();
 498     $links['repl'][__('Show master status')] = '#replication_master';
 499 }
 500 if ($server_slave_status) {
 501     $links['repl'][__('Show slave status')] = '#replication_slave';
 502 }
 503
 504 $links['repl']['doc'] = 'replication';
 505
 506 $links['qcache'][__('Flush query cache')]
 507     = $PMA_PHP_SELF . '?flush=' . urlencode('QUERY CACHE') . '&amp;' .
 508         PMA_generate_common_url();
 509 $links['qcache']['doc'] = 'query_cache';
 510
 511 //$links['threads'][__('Show processes')]
 512 //    = 'server_processlist.php?' . PMA_generate_common_url();
 513 $links['threads']['doc'] = 'mysql_threads';
 514
 515 $links['key']['doc'] = 'myisam_key_cache';
 516
 517 $links['binlog_cache']['doc'] = 'binary_log';
 518
 519 $links['Slow_queries']['doc'] = 'slow_query_log';
 520
 521 $links['innodb'][__('Variables')]
 522     = 'server_engines.php?engine=InnoDB&amp;' . PMA_generate_common_url();
 523 $links['innodb'][__('InnoDB Status')]
 524     = 'server_engines.php?engine=InnoDB&amp;page=Status&amp;' .
 525         PMA_generate_common_url();
 526 $links['innodb']['doc'] = 'innodb';
 527
 528
 529 // Variable to contain all com_ variables (query statistics)
 530 $used_queries = array();
 531
 532 // Variable to map variable names to their respective section name (used for js category filtering)
 533 $allocationMap = array();
 534
 535 // Variable to mark used sections
 536 $categoryUsed = array();
 537
 538 // sort vars into arrays
 539 foreach ($server_status as $name => $value) {
 540     $section_found = false;
 541     foreach ($allocations as $filter => $section) {
 542         if (strpos($name, $filter) !== false) {
 543             $allocationMap[$name] = $section;
 544             $categoryUsed[$section] = true;
 545             $section_found = true;
 546             if ($section == 'com' && $value > 0) $used_queries[$name] = $value;
 547             break; // Only exits inner loop
 548         }
 549     }
 550     if (!$section_found) {
 551         $allocationMap[$name] = 'other';
 552         $categoryUsed['other'] = true;
 553     }
 554 }
 555
 556 // admin commands are not queries (e.g. they include COM_PING, which is excluded from $server_status['Questions'])
 557 unset($used_queries['Com_admin_commands']);
 558
 559 /* Ajax request refresh */
 560 if (isset($_REQUEST['show']) && isset($_REQUEST['ajax_request'])) {
 561     switch($_REQUEST['show']) {
 562         case 'query_statistics':
 563             printQueryStatistics();
 564             exit();
 565         case 'server_traffic':
 566             printServerTraffic();
 567             exit();
 568         case 'variables_table':
 569             // Prints the variables table
 570             printVariablesTable();
 571             exit();
 572
 573         default:
 574             break;
 575     }
 576 }
 577
 578 /**
 579  * start output
 580  */
 581
 582  /**
 583  * Does the common work
 584  */
 585 require './libraries/server_common.inc.php';
 586
 587
 588 /**
 589  * Displays the links
 590  */
 591 require './libraries/server_links.inc.php';
 592
 593 $server = 1;
 594 if (isset($_REQUEST['server']) && intval($_REQUEST['server'])) $server = intval($_REQUEST['server']);
 595
 596 $server_db_isLocal = strtolower($cfg['Servers'][$server]['host']) == 'localhost'
 597                               || $cfg['Servers'][$server]['host'] == '127.0.0.1'
 598                               || $cfg['Servers'][$server]['host'] == '::1';
 599
 600 ?>
 601 <script type="text/javascript">
 602 pma_token = '<?php echo $_SESSION[' PMA_token ']; ?>';
 603 url_query = '<?php echo str_replace('&amp;','&',$url_query);?>';
 604 server_time_diff = new Date().getTime() - <?php echo microtime(true)*1000; ?>;
 605 server_os = '<?php echo PHP_OS; ?>';
 606 is_superuser = <?php echo PMA_isSuperuser()?'true':'false'; ?>;
 607 server_db_isLocal = <?php echo ($server_db_isLocal)?'true':'false'; ?>;
 608 </script>
 609 <div id="serverstatus">
 610     <h2><?php
 611 /**
 612  * Displays the sub-page heading
 613  */
 614 if ($GLOBALS['cfg']['MainPageIconic']) {
 615     echo '<img class="icon ic_s_status" src="themes/dot.gif" width="16" height="16" alt="" />';
 616 }
 617
 618 echo __('Runtime Information');
 619
 620 ?></h2>
 621     <div id="serverStatusTabs">
 622         <ul>
 623             <li><a href="#statustabs_traffic"><?php echo __('Server'); ?></a></li>
 624             <li><a href="#statustabs_queries"><?php echo __('Query statistics'); ?></a></li>
 625             <li><a href="#statustabs_allvars"><?php echo __('All status variables'); ?></a></li>
 626             <li><a href="#statustabs_charting"><?php echo __('Monitor'); ?></a></li>
 627         </ul>
 628
 629         <div id="statustabs_traffic">
 630             <div class="buttonlinks">
 631                 <a class="tabRefresh" href="<?php echo $PMA_PHP_SELF . '?show=server_traffic&amp;' . PMA_generate_common_url(); ?>" >
 632                     <img src="<?php echo $GLOBALS['pmaThemeImage'];?>ajax_clock_small.gif" alt="ajax clock" style="display: none;" />
 633                     <?php echo __('Refresh'); ?>
 634                 </a>
 635                 <span class="refreshList" style="display:none;">
 636                     <label for="trafficChartRefresh"><?php echo __('Refresh rate: '); ?></label>
 637                     <?php refreshList('trafficChartRefresh'); ?>
 638                 </span>
 639
 640                 <a class="tabChart livetrafficLink" href="#">
 641                     <?php echo __('Live traffic chart'); ?>
 642                 </a>
 643                 <a class="tabChart liveconnectionsLink" href="#">
 644                     <?php echo __('Live conn./process chart'); ?>
 645                 </a>
 646             </div>
 647             <div class="tabInnerContent">
 648                 <?php printServerTraffic(); ?>
 649             </div>
 650         </div>
 651         <div id="statustabs_queries">
 652             <div class="buttonlinks">
 653                 <a class="tabRefresh"  href="<?php echo $PMA_PHP_SELF . '?show=query_statistics&amp;' . PMA_generate_common_url(); ?>" >
 654                     <img src="<?php echo $GLOBALS['pmaThemeImage'];?>ajax_clock_small.gif" alt="ajax clock" style="display: none;" />
 655                     <?php echo __('Refresh'); ?>
 656                 </a>
 657                 <span class="refreshList" style="display:none;">
 658                     <label for="queryChartRefresh"><?php echo __('Refresh rate: '); ?></label>
 659                        <?php refreshList('queryChartRefresh'); ?>
 660                 </span>
 661                 <a class="tabChart livequeriesLink" href="#">
 662                     <?php echo __('Live query chart'); ?>
 663                 </a>
 664             </div>
 665             <div class="tabInnerContent">
 666                 <?php printQueryStatistics(); ?>
 667             </div>
 668         </div>
 669         <div id="statustabs_allvars">
 670             <fieldset id="tableFilter">
 671                 <div class="buttonlinks">
 672                     <a class="tabRefresh" href="<?php echo $PMA_PHP_SELF . '?show=variables_table&amp;' . PMA_generate_common_url(); ?>" >
 673                         <img src="<?php echo $GLOBALS['pmaThemeImage'];?>ajax_clock_small.gif" alt="ajax clock" style="display: none;" />
 674                         <?php echo __('Refresh'); ?>
 675                     </a>
 676                 </div>
 677                 <legend>Filters</legend>
 678                 <div class="formelement">
 679                     <label for="filterText"><?php echo __('Containing the word:'); ?></label>
 680                     <input name="filterText" type="text" id="filterText" style="vertical-align: baseline;" />
 681                 </div>
 682                 <div class="formelement">
 683                     <input type="checkbox" name="filterAlert" id="filterAlert">
 684                     <label for="filterAlert"><?php echo __('Show only alert values'); ?></label>
 685                 </div>
 686                 <div class="formelement">
 687                     <select id="filterCategory" name="filterCategory">
 688                         <option value=''><?php echo __('Filter by category...'); ?></option>
 689                 <?php
 690                         foreach ($sections as $section_id => $section_name) {
 691                             if (isset($categoryUsed[$section_id])) {
 692                 ?>
 693                                 <option value='<?php echo $section_id; ?>'><?php echo $section_name; ?></option>
 694                 <?php
 695                             }
 696                         }
 697                 ?>
 698                     </select>
 699                 </div>
 700             </fieldset>
 701             <div id="linkSuggestions" class="defaultLinks" style="display:none">
 702                 <p class="notice"><?php echo __('Related links:'); ?>
 703                 <?php
 704                 foreach ($links as $section_name => $section_links) {
 705                     echo '<span class="status_'.$section_name.'"> ';
 706                     $i=0;
 707                     foreach ($section_links as $link_name => $link_url) {
 708                         if ($i > 0) echo ', ';
 709                         if ('doc' == $link_name) {
 710                             echo PMA_showMySQLDocu($link_url, $link_url);
 711                         } else {
 712                             echo '<a href="' . $link_url . '">' . $link_name . '</a>';
 713                         }
 714                         $i++;
 715                     }
 716                     echo '</span>';
 717                 }
 718                 unset($link_url, $link_name, $i);
 719                 ?>
 720                 </p>
 721             </div>
 722             <div class="tabInnerContent">
 723                 <?php printVariablesTable(); ?>
 724             </div>
 725         </div>
 726
 727         <div id="statustabs_charting">
 728             <?php printMonitor(); ?>
 729         </div>
 730     </div>
 731 </div>
 732
 733 <?php
 734
 735 function printQueryStatistics() {
 736     global $server_status, $used_queries, $url_query, $PMA_PHP_SELF;
 737
 738     $hour_factor   = 3600 / $server_status['Uptime'];
 739
 740     $total_queries = array_sum($used_queries);
 741
 742     ?>
 743     <h3 id="serverstatusqueries">
 744         <?php
 745         /* l10n: Questions is the name of a MySQL Status variable */
 746         echo sprintf(__('Questions since startup: %s'),PMA_formatNumber($total_queries, 0)) . ' ';
 747         echo PMA_showMySQLDocu('server-status-variables', 'server-status-variables', false, 'statvar_Questions');
 748         ?>
 749         <br>
 750         <span>
 751         <?php
 752         echo '&oslash; '.__('per hour').': ';
 753         echo PMA_formatNumber($total_queries * $hour_factor, 0);
 754         echo '<br>';
 755
 756         echo '&oslash; '.__('per minute').': ';
 757         echo PMA_formatNumber( $total_queries * 60 / $server_status['Uptime'], 0);
 758         echo '<br>';
 759
 760         if ($total_queries / $server_status['Uptime'] >= 1) {
 761             echo '&oslash; '.__('per second').': ';
 762             echo PMA_formatNumber( $total_queries / $server_status['Uptime'], 0);
 763         }
 764         ?>
 765         </span>
 766     </h3>
 767     <?php
 768
 769     // reverse sort by value to show most used statements first
 770     arsort($used_queries);
 771
 772     $odd_row        = true;
 773     $count_displayed_rows = 0;
 774     $perc_factor    = 100 / $total_queries; //(- $server_status['Connections']);
 775
 776     ?>
 777
 778         <table id="serverstatusqueriesdetails" class="data sortable">
 779         <col class="namecol" />
 780         <col class="valuecol" span="3" />
 781         <thead>
 782             <tr><th><?php echo __('Statements'); ?></th>
 783                 <th><?php
 784                     /* l10n: # = Amount of queries */
 785                     echo __('#');
 786                     ?>
 787                 <th>&oslash; <?php echo __('per hour'); ?></th>
 788                 <th>%</th>
 789             </tr>
 790         </thead>
 791         <tbody>
 792
 793     <?php
 794     $chart_json = array();
 795     $query_sum = array_sum($used_queries);
 796     $other_sum = 0;
 797     foreach ($used_queries as $name => $value) {
 798         $odd_row = !$odd_row;
 799
 800         // For the percentage column, use Questions - Connections, because
 801         // the number of connections is not an item of the Query types
 802         // but is included in Questions. Then the total of the percentages is 100.
 803         $name = str_replace(array('Com_', '_'), array('', ' '), $name);
 804
 805         // Group together values that make out less than 2% into "Other", but only if we have more than 6 fractions already
 806         if ($value < $query_sum * 0.02 && count($chart_json)>6)
 807             $other_sum += $value;
 808         else $chart_json[$name] = $value;
 809     ?>
 810             <tr class="noclick <?php echo $odd_row ? 'odd' : 'even'; ?>">
 811                 <th class="name"><?php echo htmlspecialchars($name); ?></th>
 812                 <td class="value"><?php echo PMA_formatNumber($value, 5, 0, true); ?></td>
 813                 <td class="value"><?php echo
 814                     PMA_formatNumber($value * $hour_factor, 4, 1, true); ?></td>
 815                 <td class="value"><?php echo
 816                     PMA_formatNumber($value * $perc_factor, 0, 2); ?>%</td>
 817             </tr>
 818     <?php
 819     }
 820     ?>
 821         </tbody>
 822         </table>
 823
 824         <div id="serverstatusquerieschart">
 825             <span style="display:none;">
 826         <?php
 827             if ($other_sum > 0)
 828                 $chart_json[__('Other')] = $other_sum;
 829
 830             echo json_encode($chart_json);
 831         ?>
 832             </span>
 833         </div>
 834         <?php
 835 }
 836
 837 function printServerTraffic() {
 838     global $server_status,$PMA_PHP_SELF;
 839     global $server_master_status, $server_slave_status, $replication_types;
 840
 841     $hour_factor    = 3600 / $server_status['Uptime'];
 842
 843     /**
 844      * starttime calculation
 845      */
 846     $start_time = PMA_DBI_fetch_value(
 847         'SELECT UNIX_TIMESTAMP() - ' . $server_status['Uptime']);
 848
 849     ?>
 850     <h3><?php
 851     echo sprintf(
 852         __('Network traffic since startup: %s'),
 853         implode(' ', PMA_formatByteDown( $server_status['Bytes_received'] + $server_status['Bytes_sent'], 3, 1))
 854         );
 855     ?>
 856     </h3>
 857
 858     <p>
 859     <?php
 860     echo sprintf(__('This MySQL server has been running for %1$s. It started up on %2$s.'),
 861         PMA_timespanFormat($server_status['Uptime']),
 862         PMA_localisedDate($start_time)) . "\n";
 863     ?>
 864     </p>
 865
 866     <?php
 867     if ($server_master_status || $server_slave_status) {
 868         echo '<p class="notice">';
 869         if ($server_master_status && $server_slave_status) {
 870             echo __('This MySQL server works as <b>master</b> and <b>slave</b> in <b>replication</b> process.');
 871         } elseif ($server_master_status) {
 872             echo __('This MySQL server works as <b>master</b> in <b>replication</b> process.');
 873         } elseif ($server_slave_status) {
 874             echo __('This MySQL server works as <b>slave</b> in <b>replication</b> process.');
 875         }
 876         echo __('For further information about replication status on the server, please visit the <a href="#replication">replication section</a>.');
 877         echo '</p>';
 878     }
 879
 880     /* if the server works as master or slave in replication process, display useful information */
 881     if ($server_master_status || $server_slave_status)
 882     {
 883     ?>
 884       <hr class="clearfloat" />
 885
 886       <h3><a name="replication"></a><?php echo __('Replication status'); ?></h3>
 887     <?php
 888
 889         foreach ($replication_types as $type)
 890         {
 891             if (${"server_{$type}_status"}) {
 892                 PMA_replication_print_status_table($type);
 893             }
 894         }
 895         unset($types);
 896     }
 897     ?>
 898
 899     <table id="serverstatustraffic" class="data">
 900     <thead>
 901     <tr>
 902         <th colspan="2"><?php echo __('Traffic') . '&nbsp;' . PMA_showHint(__('On a busy server, the byte counters may overrun, so those statistics as reported by the MySQL server may be incorrect.')); ?></th>
 903         <th>&oslash; <?php echo __('per hour'); ?></th>
 904     </tr>
 905     </thead>
 906     <tbody>
 907     <tr class="noclick odd">
 908         <th class="name"><?php echo __('Received'); ?></th>
 909         <td class="value"><?php echo
 910             implode(' ',
 911                 PMA_formatByteDown($server_status['Bytes_received'], 3, 1)); ?></td>
 912         <td class="value"><?php echo
 913             implode(' ',
 914                 PMA_formatByteDown(
 915                     $server_status['Bytes_received'] * $hour_factor, 3, 1)); ?></td>
 916     </tr>
 917     <tr class="noclick even">
 918         <th class="name"><?php echo __('Sent'); ?></th>
 919         <td class="value"><?php echo
 920             implode(' ',
 921                 PMA_formatByteDown($server_status['Bytes_sent'], 3, 1)); ?></td>
 922         <td class="value"><?php echo
 923             implode(' ',
 924                 PMA_formatByteDown(
 925                     $server_status['Bytes_sent'] * $hour_factor, 3, 1)); ?></td>
 926     </tr>
 927     <tr class="noclick odd">
 928         <th class="name"><?php echo __('Total'); ?></th>
 929         <td class="value"><?php echo
 930             implode(' ',
 931                 PMA_formatByteDown(
 932                     $server_status['Bytes_received'] + $server_status['Bytes_sent'], 3, 1)
 933             ); ?></td>
 934         <td class="value"><?php echo
 935             implode(' ',
 936                 PMA_formatByteDown(
 937                     ($server_status['Bytes_received'] + $server_status['Bytes_sent'])
 938                     * $hour_factor, 3, 1)
 939             ); ?></td>
 940     </tr>
 941     </tbody>
 942     </table>
 943
 944     <table id="serverstatusconnections" class="data">
 945     <thead>
 946     <tr>
 947         <th colspan="2"><?php echo __('Connections'); ?></th>
 948         <th>&oslash; <?php echo __('per hour'); ?></th>
 949         <th>%</th>
 950     </tr>
 951     </thead>
 952     <tbody>
 953     <tr class="noclick odd">
 954         <th class="name"><?php echo __('max. concurrent connections'); ?></th>
 955         <td class="value"><?php echo
 956             PMA_formatNumber($server_status['Max_used_connections'], 0); ?>  </td>
 957         <td class="value">--- </td>
 958         <td class="value">--- </td>
 959     </tr>
 960     <tr class="noclick even">
 961         <th class="name"><?php echo __('Failed attempts'); ?></th>
 962         <td class="value"><?php echo
 963             PMA_formatNumber($server_status['Aborted_connects'], 4, 1, true); ?></td>
 964         <td class="value"><?php echo
 965             PMA_formatNumber($server_status['Aborted_connects'] * $hour_factor,
 966                 4, 2, true); ?></td>
 967         <td class="value"><?php echo
 968             $server_status['Connections'] > 0
 969           ? PMA_formatNumber(
 970                 $server_status['Aborted_connects'] * 100 / $server_status['Connections'],
 971                 0, 2, true) . '%'
 972           : '--- '; ?></td>
 973     </tr>
 974     <tr class="noclick odd">
 975         <th class="name"><?php echo __('Aborted'); ?></th>
 976         <td class="value"><?php echo
 977             PMA_formatNumber($server_status['Aborted_clients'], 4, 1, true); ?></td>
 978         <td class="value"><?php echo
 979             PMA_formatNumber($server_status['Aborted_clients'] * $hour_factor,
 980                 4, 2, true); ?></td>
 981         <td class="value"><?php echo
 982             $server_status['Connections'] > 0
 983           ? PMA_formatNumber(
 984                 $server_status['Aborted_clients'] * 100 / $server_status['Connections'],
 985                 0, 2, true) . '%'
 986           : '--- '; ?></td>
 987     </tr>
 988     <tr class="noclick even">
 989         <th class="name"><?php echo __('Total'); ?></th>
 990         <td class="value"><?php echo
 991             PMA_formatNumber($server_status['Connections'], 4, 0); ?></td>
 992         <td class="value"><?php echo
 993             PMA_formatNumber($server_status['Connections'] * $hour_factor,
 994                 4, 2); ?></td>
 995         <td class="value"><?php echo
 996             PMA_formatNumber(100, 0, 2); ?>%</td>
 997     </tr>
 998     </tbody>
 999     </table>
1000     <?php
1001
1002     $url_params = array();
1003
1004     $show_full_sql = !empty($_REQUEST['full']);
1005     if ($show_full_sql) {
1006         $url_params['full'] = 1;
1007         $full_text_link = 'server_status.php' . PMA_generate_common_url(array(), 'html', '?');
1008     } else {
1009         $full_text_link = 'server_status.php' . PMA_generate_common_url(array('full' => 1));
1010     }
1011     if (PMA_DRIZZLE) {
1012         $sql_query = "SELECT
1013                 p.id       AS Id,
1014                 p.username AS User,
1015                 p.host     AS Host,
1016                 p.db       AS db,
1017                 p.command  AS Command,
1018                 p.time     AS Time,
1019                 p.state    AS State,
1020                 " . ($show_full_sql ? 's.query' : 'p.info') . " AS Info
1021             FROM data_dictionary.PROCESSLIST p
1022                 " . ($show_full_sql ? 'LEFT JOIN data_dictionary.SESSIONS s ON s.session_id = p.id' : '');
1023     } else {
1024         $sql_query = $show_full_sql
1025             ? 'SHOW FULL PROCESSLIST'
1026             : 'SHOW PROCESSLIST';
1027     }
1028     $result = PMA_DBI_query($sql_query);
1029
1030     /**
1031      * Displays the page
1032      */
1033     ?>
1034     <table id="tableprocesslist" class="data clearfloat">
1035     <thead>
1036     <tr>
1037         <th><?php echo __('Processes'); ?></th>
1038         <th><?php echo __('ID'); ?></th>
1039         <th><?php echo __('User'); ?></th>
1040         <th><?php echo __('Host'); ?></th>
1041         <th><?php echo __('Database'); ?></th>
1042         <th><?php echo __('Command'); ?></th>
1043         <th><?php echo __('Time'); ?></th>
1044         <th><?php echo __('Status'); ?></th>
1045         <th><?php echo __('SQL query'); ?>
1046             <a href="<?php echo $full_text_link; ?>"
1047                 title="<?php echo empty($full) ? __('Show Full Queries') : __('Truncate Shown Queries'); ?>">
1048                 <img src="<?php echo $GLOBALS['pmaThemeImage'] . 's_' . (empty($_REQUEST['full']) ? 'full' : 'partial'); ?>text.png"
1049                 alt="<?php echo empty($_REQUEST['full']) ? __('Show Full Queries') : __('Truncate Shown Queries'); ?>" />
1050             </a>
1051         </th>
1052     </tr>
1053     </thead>
1054     <tbody>
1055     <?php
1056     $odd_row = true;
1057     while ($process = PMA_DBI_fetch_assoc($result)) {
1058         $url_params['kill'] = $process['Id'];
1059         $kill_process = 'server_status.php' . PMA_generate_common_url($url_params);
1060         ?>
1061     <tr class="noclick <?php echo $odd_row ? 'odd' : 'even'; ?>">
1062         <td><a href="<?php echo $kill_process ; ?>"><?php echo __('Kill'); ?></a></td>
1063         <td class="value"><?php echo $process['Id']; ?></td>
1064         <td><?php echo $process['User']; ?></td>
1065         <td><?php echo $process['Host']; ?></td>
1066         <td><?php echo ((! isset($process['db']) || ! strlen($process['db'])) ? '<i>' . __('None') . '</i>' : $process['db']); ?></td>
1067         <td><?php echo $process['Command']; ?></td>
1068         <td class="value"><?php echo $process['Time']; ?></td>
1069         <td><?php echo (empty($process['State']) ? '---' : $process['State']); ?></td>
1070         <td><?php echo (empty($process['Info']) ? '---' : PMA_SQP_formatHtml(PMA_SQP_parse($process['Info']))); ?></td>
1071     </tr>
1072         <?php
1073         $odd_row = ! $odd_row;
1074     }
1075     ?>
1076     </tbody>
1077     </table>
1078     <?php
1079 }
1080
1081 function printVariablesTable() {
1082     global $server_status, $server_variables, $allocationMap, $links;
1083     /**
1084      * Messages are built using the message name
1085      */
1086     $strShowStatus = array(
1087         'Aborted_clients' => __('The number of connections that were aborted because the client died without closing the connection properly.'),
1088         'Aborted_connects' => __('The number of failed attempts to connect to the MySQL server.'),
1089         'Binlog_cache_disk_use' => __('The number of transactions that used the temporary binary log cache but that exceeded the value of binlog_cache_size and used a temporary file to store statements from the transaction.'),
1090         'Binlog_cache_use' => __('The number of transactions that used the temporary binary log cache.'),
1091         'Connections' => __('The number of connection attempts (successful or not) to the MySQL server.'),
1092         'Created_tmp_disk_tables' => __('The number of temporary tables on disk created automatically by the server while executing statements. If Created_tmp_disk_tables is big, you may want to increase the tmp_table_size  value to cause temporary tables to be memory-based instead of disk-based.'),
1093         'Created_tmp_files' => __('How many temporary files mysqld has created.'),
1094         'Created_tmp_tables' => __('The number of in-memory temporary tables created automatically by the server while executing statements.'),
1095         'Delayed_errors' => __('The number of rows written with INSERT DELAYED for which some error occurred (probably duplicate key).'),
1096         'Delayed_insert_threads' => __('The number of INSERT DELAYED handler threads in use. Every different table on which one uses INSERT DELAYED gets its own thread.'),
1097         'Delayed_writes' => __('The number of INSERT DELAYED rows written.'),
1098         'Flush_commands'  => __('The number of executed FLUSH statements.'),
1099         'Handler_commit' => __('The number of internal COMMIT statements.'),
1100         'Handler_delete' => __('The number of times a row was deleted from a table.'),
1101         'Handler_discover' => __('The MySQL server can ask the NDB Cluster storage engine if it knows about a table with a given name. This is called discovery. Handler_discover indicates the number of time tables have been discovered.'),
1102         'Handler_read_first' => __('The number of times the first entry was read from an index. If this is high, it suggests that the server is doing a lot of full index scans; for example, SELECT col1 FROM foo, assuming that col1 is indexed.'),
1103         'Handler_read_key' => __('The number of requests to read a row based on a key. If this is high, it is a good indication that your queries and tables are properly indexed.'),
1104         'Handler_read_next' => __('The number of requests to read the next row in key order. This is incremented if you are querying an index column with a range constraint or if you are doing an index scan.'),
1105         'Handler_read_prev' => __('The number of requests to read the previous row in key order. This read method is mainly used to optimize ORDER BY ... DESC.'),
1106         'Handler_read_rnd' => __('The number of requests to read a row based on a fixed position. This is high if you are doing a lot of queries that require sorting of the result. You probably have a lot of queries that require MySQL to scan whole tables or you have joins that don\'t use keys properly.'),
1107         'Handler_read_rnd_next' => __('The number of requests to read the next row in the data file. This is high if you are doing a lot of table scans. Generally this suggests that your tables are not properly indexed or that your queries are not written to take advantage of the indexes you have.'),
1108         'Handler_rollback' => __('The number of internal ROLLBACK statements.'),
1109         'Handler_update' => __('The number of requests to update a row in a table.'),
1110         'Handler_write' => __('The number of requests to insert a row in a table.'),
1111         'Innodb_buffer_pool_pages_data' => __('The number of pages containing data (dirty or clean).'),
1112         'Innodb_buffer_pool_pages_dirty' => __('The number of pages currently dirty.'),
1113         'Innodb_buffer_pool_pages_flushed' => __('The number of buffer pool pages that have been requested to be flushed.'),
1114         'Innodb_buffer_pool_pages_free' => __('The number of free pages.'),
1115         'Innodb_buffer_pool_pages_latched' => __('The number of latched pages in InnoDB buffer pool. These are pages currently being read or written or that can\'t be flushed or removed for some other reason.'),
1116         'Innodb_buffer_pool_pages_misc' => __('The number of pages busy because they have been allocated for administrative overhead such as row locks or the adaptive hash index. This value can also be calculated as Innodb_buffer_pool_pages_total - Innodb_buffer_pool_pages_free - Innodb_buffer_pool_pages_data.'),
1117         'Innodb_buffer_pool_pages_total' => __('Total size of buffer pool, in pages.'),
1118         'Innodb_buffer_pool_read_ahead_rnd' => __('The number of "random" read-aheads InnoDB initiated. This happens when a query is to scan a large portion of a table but in random order.'),
1119         'Innodb_buffer_pool_read_ahead_seq' => __('The number of sequential read-aheads InnoDB initiated. This happens when InnoDB does a sequential full table scan.'),
1120         'Innodb_buffer_pool_read_requests' => __('The number of logical read requests InnoDB has done.'),
1121         'Innodb_buffer_pool_reads' => __('The number of logical reads that InnoDB could not satisfy from buffer pool and had to do a single-page read.'),
1122         'Innodb_buffer_pool_wait_free' => __('Normally, writes to the InnoDB buffer pool happen in the background. However, if it\'s necessary to read or create a page and no clean pages are available, it\'s necessary to wait for pages to be flushed first. This counter counts instances of these waits. If the buffer pool size was set properly, this value should be small.'),
1123         'Innodb_buffer_pool_write_requests' => __('The number writes done to the InnoDB buffer pool.'),
1124         'Innodb_data_fsyncs' => __('The number of fsync() operations so far.'),
1125         'Innodb_data_pending_fsyncs' => __('The current number of pending fsync() operations.'),
1126         'Innodb_data_pending_reads' => __('The current number of pending reads.'),
1127         'Innodb_data_pending_writes' => __('The current number of pending writes.'),
1128         'Innodb_data_read' => __('The amount of data read so far, in bytes.'),
1129         'Innodb_data_reads' => __('The total number of data reads.'),
1130         'Innodb_data_writes' => __('The total number of data writes.'),
1131         'Innodb_data_written' => __('The amount of data written so far, in bytes.'),
1132         'Innodb_dblwr_pages_written' => __('The number of pages that have been written for doublewrite operations.'),
1133         'Innodb_dblwr_writes' => __('The number of doublewrite operations that have been performed.'),
1134         'Innodb_log_waits' => __('The number of waits we had because log buffer was too small and we had to wait for it to be flushed before continuing.'),
1135         'Innodb_log_write_requests' => __('The number of log write requests.'),
1136         'Innodb_log_writes' => __('The number of physical writes to the log file.'),
1137         'Innodb_os_log_fsyncs' => __('The number of fsync() writes done to the log file.'),
1138         'Innodb_os_log_pending_fsyncs' => __('The number of pending log file fsyncs.'),
1139         'Innodb_os_log_pending_writes' => __('Pending log file writes.'),
1140         'Innodb_os_log_written' => __('The number of bytes written to the log file.'),
1141         'Innodb_pages_created' => __('The number of pages created.'),
1142         'Innodb_page_size' => __('The compiled-in InnoDB page size (default 16KB). Many values are counted in pages; the page size allows them to be easily converted to bytes.'),
1143         'Innodb_pages_read' => __('The number of pages read.'),
1144         'Innodb_pages_written' => __('The number of pages written.'),
1145         'Innodb_row_lock_current_waits' => __('The number of row locks currently being waited for.'),
1146         'Innodb_row_lock_time_avg' => __('The average time to acquire a row lock, in milliseconds.'),
1147         'Innodb_row_lock_time' => __('The total time spent in acquiring row locks, in milliseconds.'),
1148         'Innodb_row_lock_time_max' => __('The maximum time to acquire a row lock, in milliseconds.'),
1149         'Innodb_row_lock_waits' => __('The number of times a row lock had to be waited for.'),
1150         'Innodb_rows_deleted' => __('The number of rows deleted from InnoDB tables.'),
1151         'Innodb_rows_inserted' => __('The number of rows inserted in InnoDB tables.'),
1152         'Innodb_rows_read' => __('The number of rows read from InnoDB tables.'),
1153         'Innodb_rows_updated' => __('The number of rows updated in InnoDB tables.'),
1154         'Key_blocks_not_flushed' => __('The number of key blocks in the key cache that have changed but haven\'t yet been flushed to disk. It used to be known as Not_flushed_key_blocks.'),
1155         'Key_blocks_unused' => __('The number of unused blocks in the key cache. You can use this value to determine how much of the key cache is in use.'),
1156         'Key_blocks_used' => __('The number of used blocks in the key cache. This value is a high-water mark that indicates the maximum number of blocks that have ever been in use at one time.'),
1157         'Key_read_requests' => __('The number of requests to read a key block from the cache.'),
1158         'Key_reads' => __('The number of physical reads of a key block from disk. If Key_reads is big, then your key_buffer_size value is probably too small. The cache miss rate can be calculated as Key_reads/Key_read_requests.'),
1159         'Key_write_requests' => __('The number of requests to write a key block to the cache.'),
1160         'Key_writes' => __('The number of physical writes of a key block to disk.'),
1161         'Last_query_cost' => __('The total cost of the last compiled query as computed by the query optimizer. Useful for comparing the cost of different query plans for the same query. The default value of 0 means that no query has been compiled yet.'),
1162         'Max_used_connections' => __('The maximum number of connections that have been in use simultaneously since the server started.'),
1163         'Not_flushed_delayed_rows' => __('The number of rows waiting to be written in INSERT DELAYED queues.'),
1164         'Opened_tables' => __('The number of tables that have been opened. If opened tables is big, your table cache value is probably too small.'),
1165         'Open_files' => __('The number of files that are open.'),
1166         'Open_streams' => __('The number of streams that are open (used mainly for logging).'),
1167         'Open_tables' => __('The number of tables that are open.'),
1168         'Qcache_free_blocks' => __('The number of free memory blocks in query cache. High numbers can indicate fragmentation issues, which may be solved by issuing a FLUSH QUERY CACHE statement.'),
1169         'Qcache_free_memory' => __('The amount of free memory for query cache.'),
1170         'Qcache_hits' => __('The number of cache hits.'),
1171         'Qcache_inserts' => __('The number of queries added to the cache.'),
1172         'Qcache_lowmem_prunes' => __('The number of queries that have been removed from the cache to free up memory for caching new queries. This information can help you tune the query cache size. The query cache uses a least recently used (LRU) strategy to decide which queries to remove from the cache.'),
1173         'Qcache_not_cached' => __('The number of non-cached queries (not cachable, or not cached due to the query_cache_type setting).'),
1174         'Qcache_queries_in_cache' => __('The number of queries registered in the cache.'),
1175         'Qcache_total_blocks' => __('The total number of blocks in the query cache.'),
1176         'Rpl_status' => __('The status of failsafe replication (not yet implemented).'),
1177         'Select_full_join' => __('The number of joins that do not use indexes. If this value is not 0, you should carefully check the indexes of your tables.'),
1178         'Select_full_range_join' => __('The number of joins that used a range search on a reference table.'),
1179         'Select_range_check' => __('The number of joins without keys that check for key usage after each row. (If this is not 0, you should carefully check the indexes of your tables.)'),
1180         'Select_range' => __('The number of joins that used ranges on the first table. (It\'s normally not critical even if this is big.)'),
1181         'Select_scan' => __('The number of joins that did a full scan of the first table.'),
1182         'Slave_open_temp_tables' => __('The number of temporary tables currently open by the slave SQL thread.'),
1183         'Slave_retried_transactions' => __('Total (since startup) number of times the replication slave SQL thread has retried transactions.'),
1184         'Slave_running' => __('This is ON if this server is a slave that is connected to a master.'),
1185         'Slow_launch_threads' => __('The number of threads that have taken more than slow_launch_time seconds to create.'),
1186         'Slow_queries' => __('The number of queries that have taken more than long_query_time seconds.'),
1187         'Sort_merge_passes' => __('The number of merge passes the sort algorithm has had to do. If this value is large, you should consider increasing the value of the sort_buffer_size system variable.'),
1188         'Sort_range' => __('The number of sorts that were done with ranges.'),
1189         'Sort_rows' => __('The number of sorted rows.'),
1190         'Sort_scan' => __('The number of sorts that were done by scanning the table.'),
1191         'Table_locks_immediate' => __('The number of times that a table lock was acquired immediately.'),
1192         'Table_locks_waited' => __('The number of times that a table lock could not be acquired immediately and a wait was needed. If this is high, and you have performance problems, you should first optimize your queries, and then either split your table or tables or use replication.'),
1193         'Threads_cached' => __('The number of threads in the thread cache. The cache hit rate can be calculated as Threads_created/Connections. If this value is red you should raise your thread_cache_size.'),
1194         'Threads_connected' => __('The number of currently open connections.'),
1195         'Threads_created' => __('The number of threads created to handle connections. If Threads_created is big, you may want to increase the thread_cache_size value. (Normally this doesn\'t give a notable performance improvement if you have a good thread implementation.)'),
1196         'Threads_running' => __('The number of threads that are not sleeping.')
1197     );
1198
1199     /**
1200      * define some alerts
1201      */
1202     // name => max value before alert
1203     $alerts = array(
1204         // lower is better
1205         // variable => max value
1206         'Aborted_clients' => 0,
1207         'Aborted_connects' => 0,
1208
1209         'Binlog_cache_disk_use' => 0,
1210
1211         'Created_tmp_disk_tables' => 0,
1212
1213         'Handler_read_rnd' => 0,
1214         'Handler_read_rnd_next' => 0,
1215
1216         'Innodb_buffer_pool_pages_dirty' => 0,
1217         'Innodb_buffer_pool_reads' => 0,
1218         'Innodb_buffer_pool_wait_free' => 0,
1219         'Innodb_log_waits' => 0,
1220         'Innodb_row_lock_time_avg' => 10, // ms
1221         'Innodb_row_lock_time_max' => 50, // ms
1222         'Innodb_row_lock_waits' => 0,
1223
1224         'Slow_queries' => 0,
1225         'Delayed_errors' => 0,
1226         'Select_full_join' => 0,
1227         'Select_range_check' => 0,
1228         'Sort_merge_passes' => 0,
1229         'Opened_tables' => 0,
1230         'Table_locks_waited' => 0,
1231         'Qcache_lowmem_prunes' => 0,
1232
1233         'Qcache_free_blocks' => isset($server_status['Qcache_total_blocks']) ? $server_status['Qcache_total_blocks'] / 5 : 0,
1234         'Slow_launch_threads' => 0,
1235
1236         // depends on Key_read_requests
1237         // normaly lower then 1:0.01
1238         'Key_reads' => isset($server_status['Key_read_requests']) ? (0.01 * $server_status['Key_read_requests']) : 0,
1239         // depends on Key_write_requests
1240         // normaly nearly 1:1
1241         'Key_writes' => isset($server_status['Key_write_requests']) ? (0.9 * $server_status['Key_write_requests']) : 0,
1242
1243         'Key_buffer_fraction' => 0.5,
1244
1245         // alert if more than 95% of thread cache is in use
1246         'Threads_cached' => isset($server_variables['thread_cache_size']) ? 0.95 * $server_variables['thread_cache_size'] : 0
1247
1248         // higher is better
1249         // variable => min value
1250         //'Handler read key' => '> ',
1251     );
1252
1253 ?>
1254 <table class="data sortable" id="serverstatusvariables">
1255     <col class="namecol" />
1256     <col class="valuecol" />
1257     <col class="descrcol" />
1258     <thead>
1259         <tr>
1260             <th><?php echo __('Variable'); ?></th>
1261             <th><?php echo __('Value'); ?></th>
1262             <th><?php echo __('Description'); ?></th>
1263         </tr>
1264     </thead>
1265     <tbody>
1266     <?php
1267
1268     $odd_row = false;
1269     foreach ($server_status as $name => $value) {
1270             $odd_row = !$odd_row;
1271 ?>
1272         <tr class="noclick <?php echo $odd_row ? 'odd' : 'even'; echo isset($allocationMap[$name])?' s_'.$allocationMap[$name]:''; ?>">
1273             <th class="name"><?php echo htmlspecialchars(str_replace('_',' ',$name)) . PMA_showMySQLDocu('server-status-variables', 'server-status-variables', false, 'statvar_' . $name); ?>
1274             </th>
1275             <td class="value"><?php
1276             if (isset($alerts[$name])) {
1277                 if ($value > $alerts[$name]) {
1278                     echo '<span class="attention">';
1279                 } else {
1280                     echo '<span class="allfine">';
1281                 }
1282             }
1283             if ('%' === substr($name, -1, 1)) {
1284                 echo PMA_formatNumber($value, 0, 2) . ' %';
1285             } elseif (is_numeric($value) && $value == (int) $value && $value > 1000) {
1286                 echo PMA_formatNumber($value, 3, 1);
1287             } elseif (is_numeric($value) && $value == (int) $value) {
1288                 echo PMA_formatNumber($value, 3, 0);
1289             } elseif (is_numeric($value)) {
1290                 echo PMA_formatNumber($value, 3, 1);
1291             } else {
1292                 echo htmlspecialchars($value);
1293             }
1294             if (isset($alerts[$name])) {
1295                 echo '</span>';
1296             }
1297             ?></td>
1298             <td class="descr">
1299             <?php
1300             if (isset($strShowStatus[$name ])) {
1301                 echo $strShowStatus[$name];
1302             }
1303
1304             if (isset($links[$name])) {
1305                 foreach ($links[$name] as $link_name => $link_url) {
1306                     if ('doc' == $link_name) {
1307                         echo PMA_showMySQLDocu($link_url, $link_url);
1308                     } else {
1309                         echo ' <a href="' . $link_url . '">' . $link_name . '</a>' .
1310                         "\n";
1311                     }
1312                 }
1313                 unset($link_url, $link_name);
1314             }
1315             ?>
1316             </td>
1317         </tr>
1318     <?php
1319     }
1320     ?>
1321     </tbody>
1322     </table>
1323     <?php
1324 }
1325
1326 function printMonitor() {
1327     global $server_status, $server_db_isLocal;
1328 ?>
1329     <div class="monitorLinks">
1330         <a href="#pauseCharts">
1331             <img src="themes/dot.gif" class="icon ic_play" alt="" />
1332             <?php echo __('Start Monitor'); ?>
1333         </a>
1334         <a href="#settingsPopup" rel="popupLink" style="display:none;">
1335             <img src="themes/dot.gif" class="icon ic_s_cog" alt="" />
1336             <?php echo __('Settings'); ?>
1337         </a>
1338         <?php if (!PMA_DRIZZLE) { ?>
1339         <a href="#monitorInstructionsDialog">
1340             <img src="themes/dot.gif" class="icon ic_b_help" alt="" />
1341             <?php echo __('Instructions/Setup'); ?>
1342         </a>
1343         <?php } ?>
1344         <a href="#endChartEditMode" style="display:none;">
1345             <img src="themes/dot.gif" class="icon ic_s_okay" alt="" />
1346             <?php echo __('Done rearranging/editing charts'); ?>
1347         </a>
1348     </div>
1349
1350     <div class="popupContent settingsPopup">
1351         <a href="#addNewChart">
1352             <img src="themes/dot.gif" class="icon ic_b_chart" alt="" />
1353             <?php echo __('Add chart'); ?>
1354         </a> |
1355         <a href="#rearrangeCharts"> <?php echo __('Rearrange/edit charts'); ?></a><br>
1356         <p>
1357             <?php echo __('Refresh rate:'); refreshList('gridChartRefresh'); ?><br>
1358         </p>
1359         <p>
1360             <?php echo __('Chart columns:'); ?>
1361             <select name="chartColumns">
1362                 <option>1</option>
1363                 <option>2</option>
1364                 <option>3</option>
1365                 <option>4</option>
1366                 <option>5</option>
1367                 <option>6</option>
1368                 <option>7</option>
1369                 <option>8</option>
1370                 <option>9</option>
1371                 <option>10</option>
1372             </select>
1373         </p>
1374         <a href="#clearMonitorConfig"><?php echo __('Clear monitor config'); ?></a>
1375     </div>
1376
1377     <div id="monitorInstructionsDialog" title="<?php echo __('Monitor Instructions'); ?>" style="display:none;">
1378         <?php echo __('The phpMyAdmin Monitor can assist you in optimizing the server configuration and track down time intensive
1379         queries. For the latter you will need to set log_output to \'TABLE\' and have either the slow_query_log or general_log enabled. Note however, that the
1380         general_log produces a lot of data and increases server load by up to 15%'); ?>
1381         <p></p>
1382         <img class="ajaxIcon" src="<?php echo $GLOBALS['pmaThemeImage']; ?>ajax_clock_small.gif" alt="Loading">
1383         <div class="ajaxContent">
1384         </div>
1385         <div class="monitorUse" style="display:none;">
1386         <p></p>
1387         <?php echo __('<b>Using the monitor:</b><br/>
1388         Ok, you are good to go! Once you click \'Start monitor\' your browser will refresh all displayed charts
1389         in a regular interval. You may add charts and change the refresh rate under \'Settings\', or remove any chart
1390         using the cog icon on each respective chart.
1391         <p>When you get to see a sudden spike in activity, select the relevant time span on any chart by holding down the
1392         left mouse button and panning over the chart. This will load statistics from the logs helping you find what caused the
1393         activity spike.</p>');
1394         ?>
1395         <p>
1396         <img class="icon ic_s_attention" src="themes/dot.gif" alt="">
1397         <?php echo __('<b>Please note:</b>
1398         Enabling the general_log may increase the server load by 5-15%. Also be aware that generating statistics from the logs is a
1399         load intensive task, so it is advisable to select only a small time span and to disable the general_log and empty its table once monitoring is not required any more.
1400         '); ?>
1401         </p>
1402         </div>
1403     </div>
1404
1405     <div id="addChartDialog" title="Add chart" style="display:none;">
1406         <div id="tabGridVariables">
1407             <p><input type="text" name="chartTitle" value="<?php echo __('Chart Title'); ?>" /></p>
1408             <?php if ($server_db_isLocal) { ?>
1409             <input type="radio" name="chartType" value="cpu" id="chartCPU">
1410             <label for="chartCPU"><?php echo __('CPU Usage'); ?></label><br/>
1411
1412             <input type="radio" name="chartType" value="memory" id="chartMemory">
1413             <label for="chartMemory"><?php echo __('Memory Usage'); ?></label><br/>
1414
1415             <input type="radio" name="chartType" value="swap" id="chartSwap">
1416             <label for="chartSwap"><?php echo __('Swap Usage'); ?></label><br/>
1417             <?php } ?>
1418             <input type="radio" name="chartType" value="variable" id="chartStatusVar" checked="checked">
1419             <label for="chartStatusVar"><?php echo __('Status variable(s)'); ?></label><br/>
1420             <div id="chartVariableSettings">
1421                 <label for="chartSeries"><?php echo __('Select series:'); ?></label><br>
1422                 <select id="chartSeries" name="varChartList" size="1">
1423                     <option><?php echo __('Commonly monitored'); ?></option>
1424                     <option>Processes</option>
1425                     <option>Questions</option>
1426                     <option>Connections</option>
1427                     <option>Bytes_sent</option>
1428                     <option>Bytes_received</option>
1429                     <option>Threads_connected</option>
1430                     <option>Created_tmp_disk_tables</option>
1431                     <option>Handler_read_first</option>
1432                     <option>Innodb_buffer_pool_wait_free</option>
1433                     <option>Key_reads</option>
1434                     <option>Open_tables</option>
1435                     <option>Select_full_join</option>
1436                     <option>Slow_queries</option>
1437                 </select><br>
1438                 <label for="variableInput"><?php echo __('or type variable name:'); ?> </label>
1439                 <input type="text" name="variableInput" id="variableInput" />
1440                 <p></p>
1441                 <input type="checkbox" name="differentialValue" id="differentialValue" value="differential" checked="checked" />
1442                 <label for="differentialValue"><?php echo __('Display as differential value'); ?></label><br>
1443                 <input type="checkbox" id="useDivisor" name="useDivisor" value="1" />
1444                 <label for="useDivisor"><?php echo __('Apply a divisor'); ?></label>
1445                 <span class="divisorInput" style="display:none;">
1446                     <input type="text" name="valueDivisor" size="4" value="1">
1447                     (<a href="#kibDivisor"><?php echo __('KiB'); ?></a>, <a href="#mibDivisor"><?php echo __('MiB'); ?></a>)
1448                 </span><br>
1449
1450                 <input type="checkbox" id="useUnit" name="useUnit" value="1" />
1451                 <label for="useUnit"><?php echo __('Append unit to data values'); ?></label>
1452
1453                 <span class="unitInput" style="display:none;">
1454                     <input type="text" name="valueUnit" size="4" value="">
1455                 </span>
1456                 <p>
1457                     <a href="#submitAddSeries"><b><?php echo __('Add this series'); ?></b></a>
1458                     <span id="clearSeriesLink" style="display:none;">
1459                        | <a href="#submitClearSeries"><?php echo __('Clear series'); ?></a>
1460                     </span>
1461                 </p>
1462                 <?php echo __('Series in Chart:'); ?><br/>
1463                 <span id="seriesPreview">
1464                 <i><?php echo __('None'); ?></i>
1465                 </span>
1466             </div>
1467         </div>
1468     </div>
1469
1470     <div id="loadingLogsDialog" title="<?php echo __('Loading logs'); ?>" style="display:none;">
1471     </div>
1472
1473     <?php if (!PMA_DRIZZLE) { ?>
1474     <div id="logAnalyseDialog" title="<?php echo __('Log statistics'); ?>">
1475     </div>
1476     <?php } ?>
1477
1478     <table border="0" class="clearfloat" id="chartGrid">
1479
1480     </table>
1481     <div id="logTable">
1482         <br/>
1483     </div>
1484
1485     <script type="text/javascript">
1486         variableNames = [ <?php
1487             $i=0;
1488             foreach ($server_status as $name=>$value) {
1489                 if (is_numeric($value)) {
1490                     if ($i++ > 0) echo ", ";
1491                     echo "'".$name."'";
1492                 }
1493             }
1494             ?> ];
1495     </script>
1496 <?php
1497 }
1498
1499 /* Builds a <select> list for refresh rates */
1500 function refreshList($name,$defaultRate=5, $refreshRates=Array(1, 2, 5, 10, 20, 40, 60, 120, 300, 600)) {
1501 ?>
1502     <select name="<?php echo $name; ?>">
1503         <?php
1504             foreach ($refreshRates as $rate) {
1505                 $selected = ($rate == $defaultRate)?' selected="selected"':'';
1506
1507                 if ($rate<60)
1508                     echo '<option value="'.$rate.'"'.$selected.'>'.sprintf(_ngettext('%d second', '%d seconds', $rate), $rate).'</option>';
1509                 else
1510                     echo '<option value="'.$rate.'"'.$selected.'>'.sprintf(_ngettext('%d minute', '%d minutes', $rate/60), $rate/60).'</option>';
1511             }
1512         ?>
1513     </select>
1514 <?php
1515 }
1516
1517 /**
1518  * cleanup of some deprecated values
1519  *
1520  * @param array &$server_status
1521  */
1522 function cleanDeprecated(&$server_status) {
1523     $deprecated = array(
1524         'Com_prepare_sql' => 'Com_stmt_prepare',
1525         'Com_execute_sql' => 'Com_stmt_execute',
1526         'Com_dealloc_sql' => 'Com_stmt_close',
1527     );
1528
1529     foreach ($deprecated as $old => $new) {
1530         if (isset($server_status[$old]) && isset($server_status[$new])) {
1531             unset($server_status[$old]);
1532         }
1533     }
1534 }
1535
1536 /**
1537  * Sends the footer
1538  */
1539 require './libraries/footer.inc.php';
1540 ?>