[2] | 1 | <?php |
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| 2 | |
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| 3 | /* |
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[34] | 4 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
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[2] | 5 | Released under both BSD license and Lesser GPL library license. |
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| 6 | Whenever there is any discrepancy between the two licenses, |
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| 7 | the BSD license will take precedence. See License.txt. |
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| 8 | Set tabs to 4 for best viewing. |
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| 9 | |
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| 10 | Latest version is available at http://adodb.sourceforge.net |
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| 11 | |
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| 12 | Library for basic performance monitoring and tuning |
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| 13 | |
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| 14 | */ |
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| 15 | |
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| 16 | // security - hide paths |
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| 17 | if (!defined('ADODB_DIR')) die(); |
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| 18 | |
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| 19 | /* |
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| 20 | MSSQL has moved most performance info to Performance Monitor |
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| 21 | */ |
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| 22 | class perf_mssql extends adodb_perf{ |
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| 23 | var $sql1 = 'cast(sql1 as text)'; |
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| 24 | var $createTableSQL = "CREATE TABLE adodb_logsql ( |
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| 25 | created datetime NOT NULL, |
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| 26 | sql0 varchar(250) NOT NULL, |
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| 27 | sql1 varchar(4000) NOT NULL, |
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| 28 | params varchar(3000) NOT NULL, |
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| 29 | tracer varchar(500) NOT NULL, |
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| 30 | timer decimal(16,6) NOT NULL |
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| 31 | )"; |
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| 32 | |
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| 33 | var $settings = array( |
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| 34 | 'Ratios', |
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| 35 | 'data cache hit ratio' => array('RATIO', |
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| 36 | "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'", |
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| 37 | '=WarnCacheRatio'), |
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| 38 | 'prepared sql hit ratio' => array('RATIO', |
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| 39 | array('dbcc cachestats','Prepared',1,100), |
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| 40 | ''), |
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| 41 | 'adhoc sql hit ratio' => array('RATIO', |
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| 42 | array('dbcc cachestats','Adhoc',1,100), |
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| 43 | ''), |
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| 44 | 'IO', |
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| 45 | 'data reads' => array('IO', |
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| 46 | "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page reads/sec'"), |
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| 47 | 'data writes' => array('IO', |
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| 48 | "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page writes/sec'"), |
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| 49 | |
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| 50 | 'Data Cache', |
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| 51 | 'data cache size' => array('DATAC', |
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| 52 | "select cntr_value*8192 from master.dbo.sysperfinfo where counter_name = 'Total Pages' and object_name='SQLServer:Buffer Manager'", |
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| 53 | '' ), |
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| 54 | 'data cache blocksize' => array('DATAC', |
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| 55 | "select 8192",'page size'), |
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| 56 | 'Connections', |
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| 57 | 'current connections' => array('SESS', |
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| 58 | '=sp_who', |
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| 59 | ''), |
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| 60 | 'max connections' => array('SESS', |
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| 61 | "SELECT @@MAX_CONNECTIONS", |
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| 62 | ''), |
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| 63 | |
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| 64 | false |
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| 65 | ); |
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| 66 | |
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| 67 | |
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| 68 | function perf_mssql(&$conn) |
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| 69 | { |
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| 70 | if ($conn->dataProvider == 'odbc') { |
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| 71 | $this->sql1 = 'sql1'; |
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| 72 | //$this->explain = false; |
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| 73 | } |
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| 74 | $this->conn =& $conn; |
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| 75 | } |
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| 76 | |
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| 77 | function Explain($sql,$partial=false) |
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| 78 | { |
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| 79 | |
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| 80 | $save = $this->conn->LogSQL(false); |
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| 81 | if ($partial) { |
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| 82 | $sqlq = $this->conn->qstr($sql.'%'); |
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| 83 | $arr = $this->conn->GetArray("select distinct sql1 from adodb_logsql where sql1 like $sqlq"); |
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| 84 | if ($arr) { |
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| 85 | foreach($arr as $row) { |
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| 86 | $sql = reset($row); |
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| 87 | if (crc32($sql) == $partial) break; |
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| 88 | } |
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| 89 | } |
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| 90 | } |
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| 91 | |
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| 92 | $s = '<p><b>Explain</b>: '.htmlspecialchars($sql).'</p>'; |
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| 93 | $this->conn->Execute("SET SHOWPLAN_ALL ON;"); |
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| 94 | $sql = str_replace('?',"''",$sql); |
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| 95 | global $ADODB_FETCH_MODE; |
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| 96 | |
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| 97 | $save = $ADODB_FETCH_MODE; |
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| 98 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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| 99 | $rs =& $this->conn->Execute($sql); |
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| 100 | //adodb_printr($rs); |
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| 101 | $ADODB_FETCH_MODE = $save; |
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| 102 | if ($rs) { |
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| 103 | $rs->MoveNext(); |
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| 104 | $s .= '<table bgcolor=white border=0 cellpadding="1" callspacing=0><tr><td nowrap align=center> Rows<td nowrap align=center> IO<td nowrap align=center> CPU<td align=left> Plan</tr>'; |
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| 105 | while (!$rs->EOF) { |
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| 106 | $s .= '<tr><td>'.round($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!!!! |
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| 107 | $rs->MoveNext(); |
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| 108 | } |
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| 109 | $s .= '</table>'; |
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| 110 | |
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| 111 | $rs->NextRecordSet(); |
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| 112 | } |
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| 113 | |
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| 114 | $this->conn->Execute("SET SHOWPLAN_ALL OFF;"); |
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| 115 | $this->conn->LogSQL($save); |
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| 116 | $s .= $this->Tracer($sql); |
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| 117 | return $s; |
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| 118 | } |
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| 119 | |
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| 120 | function Tables() |
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| 121 | { |
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| 122 | global $ADODB_FETCH_MODE; |
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| 123 | |
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| 124 | $save = $ADODB_FETCH_MODE; |
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| 125 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
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| 126 | //$this->conn->debug=1; |
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| 127 | $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>'; |
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| 128 | $rs1 = $this->conn->Execute("select distinct name from sysobjects where xtype='U'"); |
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| 129 | if ($rs1) { |
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| 130 | while (!$rs1->EOF) { |
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| 131 | $tab = $rs1->fields[0]; |
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| 132 | $tabq = $this->conn->qstr($tab); |
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| 133 | $rs2 = $this->conn->Execute("sp_spaceused $tabq"); |
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| 134 | if ($rs2) { |
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| 135 | $s .= '<tr><td>'.$tab.'</td><td align=right>'.$rs2->fields[3].'</td><td align=right>'.$rs2->fields[4].'</td><td align=right>'.$rs2->fields[2].'</td></tr>'; |
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| 136 | $rs2->Close(); |
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| 137 | } |
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| 138 | $rs1->MoveNext(); |
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| 139 | } |
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| 140 | $rs1->Close(); |
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| 141 | } |
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| 142 | $ADODB_FETCH_MODE = $save; |
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| 143 | return $s.'</table>'; |
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| 144 | } |
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| 145 | |
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| 146 | function sp_who() |
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| 147 | { |
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| 148 | $arr = $this->conn->GetArray('sp_who'); |
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| 149 | return sizeof($arr); |
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| 150 | } |
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| 151 | |
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| 152 | function HealthCheck($cli=false) |
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| 153 | { |
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| 154 | |
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| 155 | $this->conn->Execute('dbcc traceon(3604)'); |
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| 156 | $html = adodb_perf::HealthCheck($cli); |
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| 157 | $this->conn->Execute('dbcc traceoff(3604)'); |
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| 158 | return $html; |
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| 159 | } |
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| 160 | |
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| 161 | |
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| 162 | } |
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| 163 | |
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| 164 | ?> |
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