vendor/adodb/adodb-php/perf/perf-mssql.inc.php

   1 <?php
   2
   3 /*
   4 @version   v5.20.9  21-Dec-2016
   5 @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
   6 @copyright (c) 2014      Damien Regad, Mark Newnham and the ADOdb community
   7   Released under both BSD license and Lesser GPL library license.
   8   Whenever there is any discrepancy between the two licenses,
   9   the BSD license will take precedence. See License.txt.
  10   Set tabs to 4 for best viewing.
  11
  12   Latest version is available at http://adodb.sourceforge.net
  13
  14   Library for basic performance monitoring and tuning
  15
  16 */
  17
  18 // security - hide paths
  19 if (!defined('ADODB_DIR')) die();
  20
  21 /*
  22         MSSQL has moved most performance info to Performance Monitor
  23 */
  24 class perf_mssql extends adodb_perf{
  25         var $sql1 = 'cast(sql1 as text)';
  26         var $createTableSQL = "CREATE TABLE adodb_logsql (
  27                   created datetime NOT NULL,
  28                   sql0 varchar(250) NOT NULL,
  29                   sql1 varchar(4000) NOT NULL,
  30                   params varchar(3000) NOT NULL,
  31                   tracer varchar(500) NOT NULL,
  32                   timer decimal(16,6) NOT NULL
  33                 )";
  34
  35         var $settings = array(
  36         'Ratios',
  37                 'data cache hit ratio' => array('RATIO',
  38                         "select round((a.cntr_value*100.0)/b.cntr_value,2) from master.dbo.sysperfinfo a, master.dbo.sysperfinfo b where a.counter_name = 'Buffer cache hit ratio' and b.counter_name='Buffer cache hit ratio base'",
  39                         '=WarnCacheRatio'),
  40                 'prepared sql hit ratio' => array('RATIO',
  41                         array('dbcc cachestats','Prepared',1,100),
  42                         ''),
  43                 'adhoc sql hit ratio' => array('RATIO',
  44                         array('dbcc cachestats','Adhoc',1,100),
  45                         ''),
  46         'IO',
  47                 'data reads' => array('IO',
  48                 "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page reads/sec'"),
  49                 'data writes' => array('IO',
  50                 "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page writes/sec'"),
  51
  52         'Data Cache',
  53                 'data cache size' => array('DATAC',
  54                 "select cntr_value*8192 from master.dbo.sysperfinfo where counter_name = 'Total Pages' and object_name='SQLServer:Buffer Manager'",
  55                         '' ),
  56                 'data cache blocksize' => array('DATAC',
  57                         "select 8192",'page size'),
  58         'Connections',
  59                 'current connections' => array('SESS',
  60                         '=sp_who',
  61                         ''),
  62                 'max connections' => array('SESS',
  63                         "SELECT @@MAX_CONNECTIONS",
  64                         ''),
  65
  66                 false
  67         );
  68
  69
  70         function __construct(&$conn)
  71         {
  72                 if ($conn->dataProvider == 'odbc') {
  73                         $this->sql1 = 'sql1';
  74                         //$this->explain = false;
  75                 }
  76                 $this->conn = $conn;
  77         }
  78
  79         function Explain($sql,$partial=false)
  80         {
  81
  82                 $save = $this->conn->LogSQL(false);
  83                 if ($partial) {
  84                         $sqlq = $this->conn->qstr($sql.'%');
  85                         $arr = $this->conn->GetArray("select distinct sql1 from adodb_logsql where sql1 like $sqlq");
  86                         if ($arr) {
  87                                 foreach($arr as $row) {
  88                                         $sql = reset($row);
  89                                         if (crc32($sql) == $partial) break;
  90                                 }
  91                         }
  92                 }
  93
  94                 $s = '<p><b>Explain</b>: '.htmlspecialchars($sql).'</p>';
  95                 $this->conn->Execute("SET SHOWPLAN_ALL ON;");
  96                 $sql = str_replace('?',"''",$sql);
  97                 global $ADODB_FETCH_MODE;
  98
  99                 $save = $ADODB_FETCH_MODE;
 100                 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 101                 $rs = $this->conn->Execute($sql);
 102                 //adodb_printr($rs);
 103                 $ADODB_FETCH_MODE = $save;
 104                 if ($rs && !$rs->EOF) {
 105                         $rs->MoveNext();
 106                         $s .= '<table bgcolor=white border=0 cellpadding="1" callspacing=0><tr><td nowrap align=center> Rows<td nowrap align=center> IO<td nowrap align=center> CPU<td align=left> &nbsp; &nbsp; Plan</tr>';
 107                         while (!$rs->EOF) {
 108                                 $s .= '<tr><td>'.round($rs->fields[8],1).'<td>'.round($rs->fields[9],3).'<td align=right>'.round($rs->fields[10],3).'<td nowrap><pre>'.htmlspecialchars($rs->fields[0])."</td></pre></tr>\n"; ## NOTE CORRUPT </td></pre> tag is intentional!!!!
 109                                 $rs->MoveNext();
 110                         }
 111                         $s .= '</table>';
 112
 113                         $rs->NextRecordSet();
 114                 }
 115
 116                 $this->conn->Execute("SET SHOWPLAN_ALL OFF;");
 117                 $this->conn->LogSQL($save);
 118                 $s .= $this->Tracer($sql);
 119                 return $s;
 120         }
 121
 122         function Tables()
 123         {
 124         global $ADODB_FETCH_MODE;
 125
 126                 $save = $ADODB_FETCH_MODE;
 127                 $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
 128                 //$this->conn->debug=1;
 129                 $s = '<table border=1 bgcolor=white><tr><td><b>tablename</b></td><td><b>size_in_k</b></td><td><b>index size</b></td><td><b>reserved size</b></td></tr>';
 130                 $rs1 = $this->conn->Execute("select distinct name from sysobjects where xtype='U'");
 131                 if ($rs1) {
 132                         while (!$rs1->EOF) {
 133                                 $tab = $rs1->fields[0];
 134                                 $tabq = $this->conn->qstr($tab);
 135                                 $rs2 = $this->conn->Execute("sp_spaceused $tabq");
 136                                 if ($rs2) {
 137                                         $s .= '<tr><td>'.$tab.'</td><td align=right>'.$rs2->fields[3].'</td><td align=right>'.$rs2->fields[4].'</td><td align=right>'.$rs2->fields[2].'</td></tr>';
 138                                         $rs2->Close();
 139                                 }
 140                                 $rs1->MoveNext();
 141                         }
 142                         $rs1->Close();
 143                 }
 144                 $ADODB_FETCH_MODE = $save;
 145                 return $s.'</table>';
 146         }
 147
 148         function sp_who()
 149         {
 150                 $arr = $this->conn->GetArray('sp_who');
 151                 return sizeof($arr);
 152         }
 153
 154         function HealthCheck($cli=false)
 155         {
 156
 157                 $this->conn->Execute('dbcc traceon(3604)');
 158                 $html =  adodb_perf::HealthCheck($cli);
 159                 $this->conn->Execute('dbcc traceoff(3604)');
 160                 return $html;
 161         }
 162
 163
 164 }