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- Bug fixes for general core bugs in 4.2.x will end 22 April 2024 (12 months).
- Bug fixes for security issues in 4.2.x will end 7 October 2024 (18 months).
- PHP version: minimum PHP 8.0.0 Note: minimum PHP version has increased since Moodle 4.1. PHP 8.1.x is supported too.
/lib/adodb/ -> adodb-perf.inc.php (source)
<?php< /* < @version v5.21.0 2021-02-27 < @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved. < @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community < Released under both BSD license and Lesser GPL library license. < Whenever there is any discrepancy between the two licenses, < the BSD license will take precedence. See License.txt. < Set tabs to 4 for best viewing. < < Latest version is available at https://adodb.org/ < < Library for basic performance monitoring and tuning. < < My apologies if you see code mixed with presentation. The presentation suits < my needs. If you want to separate code from presentation, be my guest. Patches < are welcome. <> /** > * performance monitoring and tuning. > * > * This file is part of ADOdb, a Database Abstraction Layer library for PHP. > * > * @package ADOdb > * @link https://adodb.org Project's web site and documentation > * @link https://github.com/ADOdb/ADOdb Source code and issue tracker > * > * The ADOdb Library is dual-licensed, released under both the BSD 3-Clause > * and the GNU Lesser General Public Licence (LGPL) v2.1 or, at your option, > * any later version. This means you can use it in proprietary products. > * See the LICENSE.md file distributed with this source code for details. > * @license BSD-3-Clause > * @license LGPL-2.1-or-later > * > * @copyright 2000-2013 John Lim > * @copyright 2014 Damien Regad, Mark Newnham and the ADOdb community*/ if (!defined('ADODB_DIR')) include_once(dirname(__FILE__).'/adodb.inc.php'); include_once(ADODB_DIR.'/tohtml.inc.php'); define( 'ADODB_OPT_HIGH', 2); define( 'ADODB_OPT_LOW', 1); global $ADODB_PERF_MIN; $ADODB_PERF_MIN = 0.05; // log only if >= minimum number of secs to run // returns in K the memory of current process, or 0 if not known function adodb_getmem() { if (function_exists('memory_get_usage')) return (integer) ((memory_get_usage()+512)/1024); $pid = getmypid(); if ( strncmp(strtoupper(PHP_OS),'WIN',3)==0) { $output = array(); exec('tasklist /FI "PID eq ' . $pid. '" /FO LIST', $output); return substr($output[5], strpos($output[5], ':') + 1); } /* Hopefully UNIX */ exec("ps --pid $pid --no-headers -o%mem,size", $output); if (sizeof($output) == 0) return 0; $memarr = explode(' ',$output[0]); if (sizeof($memarr)>=2) return (integer) $memarr[1]; return 0; } // avoids localization problems where , is used instead of . function adodb_round($n,$prec) { return number_format($n, $prec, '.', ''); } /* obsolete: return microtime value as a float. Retained for backward compat */ function adodb_microtime() { return microtime(true); } /* sql code timing */ function adodb_log_sql(&$connx,$sql,$inputarr) { $perf_table = adodb_perf::table(); $connx->fnExecute = false; $a0 = microtime(true); $rs = $connx->Execute($sql,$inputarr); $a1 = microtime(true); if (!empty($connx->_logsql) && (empty($connx->_logsqlErrors) || !$rs)) { global $ADODB_LOG_CONN; if (!empty($ADODB_LOG_CONN)) { $conn = $ADODB_LOG_CONN; if ($conn->databaseType != $connx->databaseType) $prefix = '/*dbx='.$connx->databaseType .'*/ '; else $prefix = ''; } else { $conn = $connx; $prefix = ''; } $conn->_logsql = false; // disable logsql error simulation $dbT = $conn->databaseType; $time = $a1 - $a0; if (!$rs) { $errM = $connx->ErrorMsg(); $errN = $connx->ErrorNo(); $conn->lastInsID = 0; $tracer = substr('ERROR: '.htmlspecialchars($errM),0,250); } else { $tracer = ''; $errM = ''; $errN = 0; $dbg = $conn->debug; $conn->debug = false; if (!is_object($rs) || $rs->dataProvider == 'empty') $conn->_affected = $conn->affected_rows(true); $conn->lastInsID = @$conn->Insert_ID(); $conn->debug = $dbg; } if (isset($_SERVER['HTTP_HOST'])) { $tracer .= '<br>'.$_SERVER['HTTP_HOST']; if (isset($_SERVER['PHP_SELF'])) $tracer .= htmlspecialchars($_SERVER['PHP_SELF']); } else if (isset($_SERVER['PHP_SELF'])) $tracer .= '<br>'.htmlspecialchars($_SERVER['PHP_SELF']); //$tracer .= (string) adodb_backtrace(false); $tracer = (string) substr($tracer,0,500); if (is_array($inputarr)) { if (is_array(reset($inputarr))) $params = 'Array sizeof='.sizeof($inputarr); else { // Quote string parameters so we can see them in the // performance stats. This helps spot disabled indexes. $xar_params = $inputarr; foreach ($xar_params as $xar_param_key => $xar_param) { if (gettype($xar_param) == 'string') $xar_params[$xar_param_key] = '"' . $xar_param . '"'; } $params = implode(', ', $xar_params); if (strlen($params) >= 3000) $params = substr($params, 0, 3000); } } else { $params = ''; } if (is_array($sql)) $sql = $sql[0]; if ($prefix) $sql = $prefix.$sql; $arr = array('b'=>strlen($sql).'.'.crc32($sql), 'c'=>substr($sql,0,3900), 'd'=>$params,'e'=>$tracer,'f'=>adodb_round($time,6)); //var_dump($arr); $saved = $conn->debug; $conn->debug = 0; $d = $conn->sysTimeStamp; if (empty($d)) $d = date("'Y-m-d H:i:s'"); if ($conn->dataProvider == 'oci8' && $dbT != 'oci8po') { $isql = "insert into $perf_table values($d,:b,:c,:d,:e,:f)"; } else if ($dbT == 'mssqlnative' || $dbT == 'odbc_mssql' || $dbT == 'informix' || strncmp($dbT,'odbtp',4)==0) { $timer = $arr['f']; if ($dbT == 'informix') $sql2 = substr($sql2,0,230); $sql1 = $conn->qstr($arr['b']); $sql2 = $conn->qstr($arr['c']); $params = $conn->qstr($arr['d']); $tracer = $conn->qstr($arr['e']); $isql = "insert into $perf_table (created,sql0,sql1,params,tracer,timer) values($d,$sql1,$sql2,$params,$tracer,$timer)"; if ($dbT == 'informix') $isql = str_replace(chr(10),' ',$isql); $arr = false; } else { if ($dbT == 'db2') $arr['f'] = (float) $arr['f']; $isql = "insert into $perf_table (created,sql0,sql1,params,tracer,timer) values( $d,?,?,?,?,?)"; } global $ADODB_PERF_MIN; if ($errN != 0 || $time >= $ADODB_PERF_MIN) { if($conn instanceof ADODB_mysqli && $conn->_queryID) { mysqli_free_result($conn->_queryID); } $ok = $conn->Execute($isql,$arr); if($conn instanceof ADODB_mysqli && $conn->_queryID){ mysqli_free_result($conn->_queryID); } } else $ok = true; $conn->debug = $saved; if ($ok) { $conn->_logsql = true; } else { $err2 = $conn->ErrorMsg(); $conn->_logsql = true; // enable logsql error simulation $perf = NewPerfMonitor($conn); if ($perf) { if ($perf->CreateLogTable()) $ok = $conn->Execute($isql,$arr); } else { $ok = $conn->Execute("create table $perf_table ( created varchar(50), sql0 varchar(250), sql1 varchar(4000), params varchar(3000), tracer varchar(500), timer decimal(16,6))"); } if (!$ok) { ADOConnection::outp( "<p><b>LOGSQL Insert Failed</b>: $isql<br>$err2</p>"); $conn->_logsql = false; } } $connx->_errorMsg = $errM; $connx->_errorCode = $errN; } $connx->fnExecute = 'adodb_log_sql'; return $rs; } /* The settings data structure is an associative array that database parameter per element. Each database parameter element in the array is itself an array consisting of: 0: category code, used to group related db parameters 1: either a. sql string to retrieve value, eg. "select value from v\$parameter where name='db_block_size'", b. array holding sql string and field to look for, e.g. array('show variables','table_cache'), c. a string prefixed by =, then a PHP method of the class is invoked, e.g. to invoke $this->GetIndexValue(), set this array element to '=GetIndexValue', 2: description of the database parameter */ class adodb_perf { var $conn; var $color = '#F0F0F0'; var $table = '<table border=1 bgcolor=white>'; var $titles = '<tr><td><b>Parameter</b></td><td><b>Value</b></td><td><b>Description</b></td></tr>'; var $warnRatio = 90; var $tablesSQL = false; var $cliFormat = "%32s => %s \r\n"; var $sql1 = 'sql1'; // used for casting sql1 to text for mssql var $explain = true; var $helpurl = '<a href="https://adodb.org/dokuwiki/doku.php?id=v5:performance:logsql">LogSQL help</a>'; var $createTableSQL = false; var $maxLength = 2000;> > /** @var array Settings data. */ // Sets the tablename to be used > var $settings = [];static function table($newtable = false) { static $_table; if (!empty($newtable)) $_table = $newtable; if (empty($_table)) $_table = 'adodb_logsql'; return $_table; } // returns array with info to calculate CPU Load function _CPULoad() { /* cpu 524152 2662 2515228 336057010 cpu0 264339 1408 1257951 168025827 cpu1 259813 1254 1257277 168031181 page 622307 25475680 swap 24 1891 intr 890153570 868093576 6 0 4 4 0 6 1 2 0 0 0 124 0 8098760 2 13961053 0 0 0 0 0 0 0 0 0 0 0 0 0 16 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 disk_io: (3,0):(3144904,54369,610378,3090535,50936192) (3,1):(3630212,54097,633016,3576115,50951320) ctxt 66155838 btime 1062315585 processes 69293 */ // Algorithm is taken from // http://social.technet.microsoft.com/Forums/en-US/winservergen/thread/414b0e1b-499c-411e-8a02-6a12e339c0f1/ if (strncmp(PHP_OS,'WIN',3)==0) { static $FAIL = false; if ($FAIL) return false; $objName = "winmgmts:{impersonationLevel=impersonate}!\\\\.\\root\\CIMV2"; $myQuery = "SELECT * FROM Win32_PerfFormattedData_PerfOS_Processor WHERE Name = '_Total'"; try { @$objWMIService = new COM($objName); if (!$objWMIService) { $FAIL = true; return false; } $info[0] = -1; $info[1] = 0; $info[2] = 0; $info[3] = 0; foreach($objWMIService->ExecQuery($myQuery) as $objItem) { $info[0] = $objItem->PercentProcessorTime(); } } catch(Exception $e) { $FAIL = true; echo $e->getMessage(); return false; } return $info; } // Algorithm - Steve Blinch (BlitzAffe Online, http://www.blitzaffe.com) $statfile = '/proc/stat'; if (!file_exists($statfile)) return false; $fd = fopen($statfile,"r"); if (!$fd) return false; $statinfo = explode("\n",fgets($fd, 1024)); fclose($fd); foreach($statinfo as $line) { $info = explode(" ",$line); if($info[0]=="cpu") { array_shift($info); // pop off "cpu" if(!$info[0]) array_shift($info); // pop off blank space (if any) return $info; } } return false; } /* NOT IMPLEMENTED */ function MemInfo() { /* total: used: free: shared: buffers: cached: Mem: 1055289344 917299200 137990144 0 165437440 599773184 Swap: 2146775040 11055104 2135719936 MemTotal: 1030556 kB MemFree: 134756 kB MemShared: 0 kB Buffers: 161560 kB Cached: 581384 kB SwapCached: 4332 kB Active: 494468 kB Inact_dirty: 322856 kB Inact_clean: 24256 kB Inact_target: 168316 kB HighTotal: 131064 kB HighFree: 1024 kB LowTotal: 899492 kB LowFree: 133732 kB SwapTotal: 2096460 kB SwapFree: 2085664 kB Committed_AS: 348732 kB */ } /* Remember that this is client load, not db server load! */ var $_lastLoad; function CPULoad() { $info = $this->_CPULoad(); if (!$info) return false; if (strncmp(PHP_OS,'WIN',3)==0) { return (integer) $info[0]; }else { if (empty($this->_lastLoad)) { sleep(1); $this->_lastLoad = $info; $info = $this->_CPULoad(); } $last = $this->_lastLoad; $this->_lastLoad = $info; $d_user = $info[0] - $last[0]; $d_nice = $info[1] - $last[1]; $d_system = $info[2] - $last[2]; $d_idle = $info[3] - $last[3]; //printf("Delta - User: %f Nice: %f System: %f Idle: %f<br>",$d_user,$d_nice,$d_system,$d_idle); $total=$d_user+$d_nice+$d_system+$d_idle; if ($total<1) $total=1; return 100*($d_user+$d_nice+$d_system)/$total; } } function Tracer($sql) { $perf_table = adodb_perf::table(); $saveE = $this->conn->fnExecute; $this->conn->fnExecute = false; global $ADODB_FETCH_MODE; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false); $sqlq = $this->conn->qstr($sql); $arr = $this->conn->GetArray( "select count(*),tracer from $perf_table where sql1=$sqlq group by tracer order by 1 desc"); $s = ''; if ($arr) { $s .= '<h3>Scripts Affected</h3>'; foreach($arr as $k) { $s .= sprintf("%4d",$k[0]).' '.strip_tags($k[1]).'<br>'; } } if (isset($savem)) $this->conn->SetFetchMode($savem); $ADODB_CACHE_MODE = $save; $this->conn->fnExecute = $saveE; return $s; } /* Explain Plan for $sql. If only a snippet of the $sql is passed in, then $partial will hold the crc32 of the actual sql. */ function Explain($sql,$partial=false) { return false; } function InvalidSQL($numsql = 10) { if (isset($_GET['sql'])) return; $s = '<h3>Invalid SQL</h3>'; $saveE = $this->conn->fnExecute; $this->conn->fnExecute = false; $perf_table = adodb_perf::table(); $rs = $this->conn->SelectLimit("select distinct count(*),sql1,tracer as error_msg from $perf_table where tracer like 'ERROR:%' group by sql1,tracer order by 1 desc",$numsql);//,$numsql); $this->conn->fnExecute = $saveE; if ($rs) { $s .= rs2html($rs,false,false,false,false); } else return "<p>$this->helpurl. ".$this->conn->ErrorMsg()."</p>"; return $s; } /* This script identifies the longest running SQL */ function _SuspiciousSQL($numsql = 10) { global $ADODB_FETCH_MODE; $perf_table = adodb_perf::table(); $saveE = $this->conn->fnExecute; $this->conn->fnExecute = false; if (isset($_GET['exps']) && isset($_GET['sql'])) { $partial = !empty($_GET['part']); echo "<a name=explain></a>".$this->Explain($_GET['sql'],$partial)."\n"; } if (isset($_GET['sql'])) return; $sql1 = $this->sql1; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false); //$this->conn->debug=1; $rs = $this->conn->SelectLimit( "select avg(timer) as avg_timer,$sql1,count(*),max(timer) as max_timer,min(timer) as min_timer from $perf_table where {$this->conn->upperCase}({$this->conn->substr}(sql0,1,5)) not in ('DROP ','INSER','COMMI','CREAT') and (tracer is null or tracer not like 'ERROR:%') group by sql1 order by 1 desc",$numsql); if (isset($savem)) $this->conn->SetFetchMode($savem); $ADODB_FETCH_MODE = $save; $this->conn->fnExecute = $saveE; if (!$rs) return "<p>$this->helpurl. ".$this->conn->ErrorMsg()."</p>"; $s = "<h3>Suspicious SQL</h3> <font size=1>The following SQL have high average execution times</font><br> <table border=1 bgcolor=white><tr><td><b>Avg Time</b><td><b>Count</b><td><b>SQL</b><td><b>Max</b><td><b>Min</b></tr>\n"; $max = $this->maxLength; while (!$rs->EOF) { $sql = $rs->fields[1]; $raw = urlencode($sql); if (strlen($raw)>$max-100) { $sql2 = substr($sql,0,$max-500); $raw = urlencode($sql2).'&part='.crc32($sql); } $prefix = "<a target=sql".rand()." href=\"?hidem=1&exps=1&sql=".$raw."&x#explain\">"; $suffix = "</a>"; if ($this->explain == false || strlen($prefix)>$max) { $suffix = ' ... <i>String too long for GET parameter: '.strlen($prefix).'</i>'; $prefix = ''; } $s .= "<tr><td>".adodb_round($rs->fields[0],6)."<td align=right>".$rs->fields[2]."<td><font size=-1>".$prefix.htmlspecialchars($sql).$suffix."</font>". "<td>".$rs->fields[3]."<td>".$rs->fields[4]."</tr>"; $rs->MoveNext(); } return $s."</table>"; } function CheckMemory() { return ''; } function SuspiciousSQL($numsql=10) { return adodb_perf::_SuspiciousSQL($numsql); } function ExpensiveSQL($numsql=10) { return adodb_perf::_ExpensiveSQL($numsql); } /* This reports the percentage of load on the instance due to the most expensive few SQL statements. Tuning these statements can often make huge improvements in overall system performance. */ function _ExpensiveSQL($numsql = 10) { global $ADODB_FETCH_MODE; $perf_table = adodb_perf::table(); $saveE = $this->conn->fnExecute; $this->conn->fnExecute = false; if (isset($_GET['expe']) && isset($_GET['sql'])) { $partial = !empty($_GET['part']); echo "<a name=explain></a>".$this->Explain($_GET['sql'],$partial)."\n"; } if (isset($_GET['sql'])) return; $sql1 = $this->sql1; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false); $rs = $this->conn->SelectLimit( "select sum(timer) as total,$sql1,count(*),max(timer) as max_timer,min(timer) as min_timer from $perf_table where {$this->conn->upperCase}({$this->conn->substr}(sql0,1,5)) not in ('DROP ','INSER','COMMI','CREAT') and (tracer is null or tracer not like 'ERROR:%') group by sql1 having count(*)>1 order by 1 desc",$numsql); if (isset($savem)) $this->conn->SetFetchMode($savem); $this->conn->fnExecute = $saveE; $ADODB_FETCH_MODE = $save; if (!$rs) return "<p>$this->helpurl. ".$this->conn->ErrorMsg()."</p>"; $s = "<h3>Expensive SQL</h3> <font size=1>Tuning the following SQL could reduce the server load substantially</font><br> <table border=1 bgcolor=white><tr><td><b>Load</b><td><b>Count</b><td><b>SQL</b><td><b>Max</b><td><b>Min</b></tr>\n"; $max = $this->maxLength; while (!$rs->EOF) { $sql = $rs->fields[1]; $raw = urlencode($sql); if (strlen($raw)>$max-100) { $sql2 = substr($sql,0,$max-500); $raw = urlencode($sql2).'&part='.crc32($sql); } $prefix = "<a target=sqle".rand()." href=\"?hidem=1&expe=1&sql=".$raw."&x#explain\">"; $suffix = "</a>"; if($this->explain == false || strlen($prefix>$max)) { $prefix = ''; $suffix = ''; } $s .= "<tr><td>".adodb_round($rs->fields[0],6)."<td align=right>".$rs->fields[2]."<td><font size=-1>".$prefix.htmlspecialchars($sql).$suffix."</font>". "<td>".$rs->fields[3]."<td>".$rs->fields[4]."</tr>"; $rs->MoveNext(); } return $s."</table>"; } /* Raw function to return parameter value from $settings. */ function DBParameter($param) { if (empty($this->settings[$param])) return false; $sql = $this->settings[$param][1]; return $this->_DBParameter($sql); } /* Raw function returning array of poll parameters */ function PollParameters() { $arr[0] = (float)$this->DBParameter('data cache hit ratio'); $arr[1] = (float)$this->DBParameter('data reads'); $arr[2] = (float)$this->DBParameter('data writes'); $arr[3] = (integer) $this->DBParameter('current connections'); return $arr; } /* Low-level Get Database Parameter */ function _DBParameter($sql) { $savelog = $this->conn->LogSQL(false); if (is_array($sql)) { global $ADODB_FETCH_MODE; $sql1 = $sql[0]; $key = $sql[1]; if (sizeof($sql)>2) $pos = $sql[2]; else $pos = 1; if (sizeof($sql)>3) $coef = $sql[3]; else $coef = false; $ret = false; $save = $ADODB_FETCH_MODE; $ADODB_FETCH_MODE = ADODB_FETCH_NUM; if ($this->conn->fetchMode !== false) $savem = $this->conn->SetFetchMode(false); $rs = $this->conn->Execute($sql1); if (isset($savem)) $this->conn->SetFetchMode($savem); $ADODB_FETCH_MODE = $save; if ($rs) { while (!$rs->EOF) { $keyf = reset($rs->fields); if (trim($keyf) == $key) { $ret = $rs->fields[$pos]; if ($coef) $ret *= $coef; break; } $rs->MoveNext(); } $rs->Close(); } $this->conn->LogSQL($savelog); return $ret; } else { if (strncmp($sql,'=',1) == 0) { $fn = substr($sql,1); return $this->$fn(); } $sql = str_replace('$DATABASE',$this->conn->database,$sql); $ret = $this->conn->GetOne($sql); $this->conn->LogSQL($savelog); return $ret; } } /* Warn if cache ratio falls below threshold. Displayed in "Description" column. */ function WarnCacheRatio($val) { if ($val < $this->warnRatio) return '<font color=red><b>Cache ratio should be at least '.$this->warnRatio.'%</b></font>'; else return ''; } function clearsql() { $perf_table = adodb_perf::table(); $this->conn->Execute("delete from $perf_table where created<".$this->conn->sysTimeStamp); } /***********************************************************************************************/ // HIGH LEVEL UI FUNCTIONS /***********************************************************************************************/ function UI($pollsecs=5) { global $ADODB_LOG_CONN; $perf_table = adodb_perf::table(); $conn = $this->conn; $app = $conn->host; if ($conn->host && $conn->database) $app .= ', db='; $app .= $conn->database; if ($app) $app .= ', '; $savelog = $this->conn->LogSQL(false); $info = $conn->ServerInfo(); if (isset($_GET['clearsql'])) { $this->clearsql(); } $this->conn->LogSQL($savelog); if (!isset($_SESSION['ADODB_PERF_SQL'])) $nsql = $_SESSION['ADODB_PERF_SQL'] = 10; else $nsql = $_SESSION['ADODB_PERF_SQL']; $app .= $info['description']; if (isset($_GET['do'])) $do = $_GET['do']; else if (isset($_POST['do'])) $do = $_POST['do']; else if (isset($_GET['sql'])) $do = 'viewsql'; else $do = 'stats'; if (isset($_GET['nsql'])) { if ($_GET['nsql'] > 0) $nsql = $_SESSION['ADODB_PERF_SQL'] = (integer) $_GET['nsql']; } echo "<title>ADOdb Performance Monitor on $app</title><body bgcolor=white>"; if ($do == 'viewsql') $form = "<td><form># SQL:<input type=hidden value=viewsql name=do> <input type=text size=4 name=nsql value=$nsql><input type=submit value=Go></td></form>"; else $form = "<td> </td>"; $allowsql = !defined('ADODB_PERF_NO_RUN_SQL'); global $ADODB_PERF_MIN; $app .= " (Min sql timing \$ADODB_PERF_MIN=$ADODB_PERF_MIN secs)"; if (empty($_GET['hidem'])) echo "<table border=1 width=100% bgcolor=lightyellow><tr><td colspan=2> <b><a href=https://adodb.org/dokuwiki/doku.php?id=v5:performance:performance_index>ADOdb</a> Performance Monitor</b> <font size=1>for $app</font></tr><tr><td> <a href=?do=stats><b>Performance Stats</b></a> <a href=?do=viewsql><b>View SQL</b></a> <a href=?do=tables><b>View Tables</b></a> <a href=?do=poll><b>Poll Stats</b></a>", $allowsql ? ' <a href=?do=dosql><b>Run SQL</b></a>' : '', "$form", "</tr></table>"; switch ($do) { default: case 'stats': if (empty($ADODB_LOG_CONN)) echo "<p> <a href=\"?do=viewsql&clearsql=1\">Clear SQL Log</a><br>"; echo $this->HealthCheck(); //$this->conn->debug=1; echo $this->CheckMemory(); break; case 'poll': $self = htmlspecialchars($_SERVER['PHP_SELF']); echo "<iframe width=720 height=80% src=\"{$self}?do=poll2&hidem=1\"></iframe>"; break; case 'poll2': echo "<pre>"; $this->Poll($pollsecs); break; case 'dosql': if (!$allowsql) break; $this->DoSQLForm(); break; case 'viewsql': if (empty($_GET['hidem'])) echo " <a href=\"?do=viewsql&clearsql=1\">Clear SQL Log</a><br>"; echo($this->SuspiciousSQL($nsql)); echo($this->ExpensiveSQL($nsql)); echo($this->InvalidSQL($nsql)); break; case 'tables': echo $this->Tables(); break; } global $ADODB_vers; } /* Runs in infinite loop, returning real-time statistics */ function Poll($secs=5) { $this->conn->fnExecute = false; //$this->conn->debug=1; if ($secs <= 1) $secs = 1; echo "Accumulating statistics, every $secs seconds...\n";flush(); $arro = $this->PollParameters(); $cnt = 0; set_time_limit(0); sleep($secs); while (1) { $arr = $this->PollParameters(); $hits = sprintf('%2.2f',$arr[0]); $reads = sprintf('%12.4f',($arr[1]-$arro[1])/$secs); $writes = sprintf('%12.4f',($arr[2]-$arro[2])/$secs); $sess = sprintf('%5d',$arr[3]); $load = $this->CPULoad(); if ($load !== false) { $oslabel = 'WS-CPU%'; $osval = sprintf(" %2.1f ",(float) $load); }else { $oslabel = ''; $osval = ''; } if ($cnt % 10 == 0) echo " Time ".$oslabel." Hit% Sess Reads/s Writes/s\n"; $cnt += 1; echo date('H:i:s').' '.$osval."$hits $sess $reads $writes\n"; flush(); if (connection_aborted()) return; sleep($secs); $arro = $arr; } } /* Returns basic health check in a command line interface */ function HealthCheckCLI() { return $this->HealthCheck(true); } /* Returns basic health check as HTML */ function HealthCheck($cli=false) { $saveE = $this->conn->fnExecute; $this->conn->fnExecute = false; if ($cli) $html = ''; else $html = $this->table.'<tr><td colspan=3><h3>'.$this->conn->databaseType.'</h3></td></tr>'.$this->titles; $oldc = false; $bgc = ''; foreach($this->settings as $name => $arr) { if ($arr === false) break; if (!is_string($name)) { if ($cli) $html .= " -- $arr -- \n"; else $html .= "<tr bgcolor=$this->color><td colspan=3><i>$arr</i> </td></tr>"; continue; } if (!is_array($arr)) break; $category = $arr[0]; $how = $arr[1]; if (sizeof($arr)>2) $desc = $arr[2]; else $desc = ' '; if ($category == 'HIDE') continue; $val = $this->_DBParameter($how); if ($desc && strncmp($desc,"=",1) === 0) { $fn = substr($desc,1); $desc = $this->$fn($val); } if ($val === false) { $m = $this->conn->ErrorMsg(); $val = "Error: $m"; } else { if (is_numeric($val) && $val >= 256*1024) { if ($val % (1024*1024) == 0) { $val /= (1024*1024); $val .= 'M'; } else if ($val % 1024 == 0) { $val /= 1024; $val .= 'K'; } //$val = htmlspecialchars($val); } } if ($category != $oldc) { $oldc = $category; //$bgc = ($bgc == ' bgcolor='.$this->color) ? ' bgcolor=white' : ' bgcolor='.$this->color; } if (strlen($desc)==0) $desc = ' '; if (strlen($val)==0) $val = ' '; if ($cli) { $html .= str_replace(' ','',sprintf($this->cliFormat,strip_tags($name),strip_tags($val),strip_tags($desc))); }else { $html .= "<tr$bgc><td>".$name.'</td><td>'.$val.'</td><td>'.$desc."</td></tr>\n"; } } if (!$cli) $html .= "</table>\n"; $this->conn->fnExecute = $saveE; return $html; } function Tables($orderby='1') { if (!$this->tablesSQL) return false; $savelog = $this->conn->LogSQL(false); $rs = $this->conn->Execute($this->tablesSQL.' order by '.$orderby); $this->conn->LogSQL($savelog); $html = rs2html($rs,false,false,false,false); return $html; } function CreateLogTable() { if (!$this->createTableSQL) return false; $table = $this->table(); $sql = str_replace('adodb_logsql',$table,$this->createTableSQL); $savelog = $this->conn->LogSQL(false); $ok = $this->conn->Execute($sql); $this->conn->LogSQL($savelog); return ($ok) ? true : false; } function DoSQLForm() { $PHP_SELF = htmlspecialchars($_SERVER['PHP_SELF']); $sql = isset($_REQUEST['sql']) ? $_REQUEST['sql'] : ''; if (isset($_SESSION['phplens_sqlrows'])) $rows = $_SESSION['phplens_sqlrows']; else $rows = 3; if (isset($_REQUEST['SMALLER'])) { $rows /= 2; if ($rows < 3) $rows = 3; $_SESSION['phplens_sqlrows'] = $rows; } if (isset($_REQUEST['BIGGER'])) { $rows *= 2; $_SESSION['phplens_sqlrows'] = $rows; } ?> <form method="POST" action="<?php echo $PHP_SELF ?>"> <table><tr> <td> Form size: <input type="submit" value=" < " name="SMALLER"><input type="submit" value=" > > " name="BIGGER"> </td> <td align=right> <input type="submit" value=" Run SQL Below " name="RUN"><input type=hidden name=do value=dosql> </td></tr> <tr> <td colspan=2><textarea rows=<?php print $rows; ?> name="sql" cols="80"><?php print htmlspecialchars($sql) ?></textarea> </td> </tr> </table> </form> <?php if (!isset($_REQUEST['sql'])) return; $sql = trim($sql); if (substr($sql,strlen($sql)-1) === ';') { $print = true; $sqla = $this->SplitSQL($sql); } else { $print = false; $sqla = array($sql); } foreach($sqla as $sqls) { if (!$sqls) continue; if ($print) { print "<p>".htmlspecialchars($sqls)."</p>"; flush(); } $savelog = $this->conn->LogSQL(false); $rs = $this->conn->Execute($sqls); $this->conn->LogSQL($savelog); if ($rs && is_object($rs) && !$rs->EOF) { rs2html($rs); while ($rs->NextRecordSet()) { print "<table width=98% bgcolor=#C0C0FF><tr><td> </td></tr></table>"; rs2html($rs); } } else { $e1 = (integer) $this->conn->ErrorNo(); $e2 = $this->conn->ErrorMsg(); if (($e1) || ($e2)) { if (empty($e1)) $e1 = '-1'; // postgresql fix print ' '.$e1.': '.$e2; } else { print "<p>No Recordset returned<br></p>"; } } } // foreach } function SplitSQL($sql) { $arr = explode(';',$sql); return $arr; } /************************************************************************/ /** * Reorganise multiple table-indices/statistics/.. * OptimizeMode could be given by last Parameter * * @example * <pre> * optimizeTables( 'tableA'); * </pre> * <pre> * optimizeTables( 'tableA', 'tableB', 'tableC'); * </pre> * <pre> * optimizeTables( 'tableA', 'tableB', ADODB_OPT_LOW); * </pre> * * @param string table name of the table to optimize * @param int mode optimization-mode * <code>ADODB_OPT_HIGH</code> for full optimization * <code>ADODB_OPT_LOW</code> for CPU-less optimization * Default is LOW <code>ADODB_OPT_LOW</code> * @author Markus Staab * @return Returns <code>true</code> on success and <code>false</code> on error */ function OptimizeTables() { $args = func_get_args(); $numArgs = func_num_args(); if ( $numArgs == 0) return false; $mode = ADODB_OPT_LOW; $lastArg = $args[ $numArgs - 1]; if ( !is_string($lastArg)) { $mode = $lastArg; unset( $args[ $numArgs - 1]); } foreach( $args as $table) { $this->optimizeTable( $table, $mode); } } /** * Reorganise the table-indices/statistics/.. depending on the given mode. * Default Implementation throws an error. * * @param string table name of the table to optimize * @param int mode optimization-mode * <code>ADODB_OPT_HIGH</code> for full optimization * <code>ADODB_OPT_LOW</code> for CPU-less optimization * Default is LOW <code>ADODB_OPT_LOW</code> * @author Markus Staab * @return Returns <code>true</code> on success and <code>false</code> on error */ function OptimizeTable( $table, $mode = ADODB_OPT_LOW) { ADOConnection::outp( sprintf( "<p>%s: '%s' not implemented for driver '%s'</p>", __CLASS__, __FUNCTION__, $this->conn->databaseType)); return false; } /** * Reorganise current database. * Default implementation loops over all <code>MetaTables()</code> and * optimize each using <code>optmizeTable()</code> * * @author Markus Staab * @return Returns <code>true</code> on success and <code>false</code> on error */ function optimizeDatabase() { $conn = $this->conn; if ( !$conn) return false; $tables = $conn->MetaTables( 'TABLES'); if ( !$tables ) return false; foreach( $tables as $table) { if ( !$this->optimizeTable( $table)) { return false; } } return true; } // end hack }
