1 | <?php |
---|
2 | |
---|
3 | /* |
---|
4 | V4.94 23 Jan 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved. |
---|
5 | Released under both BSD license and Lesser GPL library license. |
---|
6 | Whenever there is any discrepancy between the two licenses, |
---|
7 | the BSD license will take precedence. See License.txt. |
---|
8 | Set tabs to 4 for best viewing. |
---|
9 | |
---|
10 | Latest version is available at http://adodb.sourceforge.net |
---|
11 | |
---|
12 | Library for basic performance monitoring and tuning |
---|
13 | |
---|
14 | */ |
---|
15 | |
---|
16 | // security - hide paths |
---|
17 | if (!defined('ADODB_DIR')) die(); |
---|
18 | |
---|
19 | /* |
---|
20 | MSSQL has moved most performance info to Performance Monitor |
---|
21 | */ |
---|
22 | class perf_mssql extends adodb_perf{ |
---|
23 | var $sql1 = 'cast(sql1 as text)'; |
---|
24 | var $createTableSQL = "CREATE TABLE adodb_logsql ( |
---|
25 | created datetime NOT NULL, |
---|
26 | sql0 varchar(250) NOT NULL, |
---|
27 | sql1 varchar(4000) NOT NULL, |
---|
28 | params varchar(3000) NOT NULL, |
---|
29 | tracer varchar(500) NOT NULL, |
---|
30 | timer decimal(16,6) NOT NULL |
---|
31 | )"; |
---|
32 | |
---|
33 | var $settings = array( |
---|
34 | 'Ratios', |
---|
35 | 'data cache hit ratio' => array('RATIO', |
---|
36 | "select round((a.cntr_value*100.0)/b.cntr_value,2) from master.dbo.sysperfinfo a, master.dbo.sysperfinfo b where a.counter_name = 'Buffer cache hit ratio' and b.counter_name='Buffer cache hit ratio base'", |
---|
37 | '=WarnCacheRatio'), |
---|
38 | 'prepared sql hit ratio' => array('RATIO', |
---|
39 | array('dbcc cachestats','Prepared',1,100), |
---|
40 | ''), |
---|
41 | 'adhoc sql hit ratio' => array('RATIO', |
---|
42 | array('dbcc cachestats','Adhoc',1,100), |
---|
43 | ''), |
---|
44 | 'IO', |
---|
45 | 'data reads' => array('IO', |
---|
46 | "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page reads/sec'"), |
---|
47 | 'data writes' => array('IO', |
---|
48 | "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page writes/sec'"), |
---|
49 | |
---|
50 | 'Data Cache', |
---|
51 | 'data cache size' => array('DATAC', |
---|
52 | "select cntr_value*8192 from master.dbo.sysperfinfo where counter_name = 'Total Pages' and object_name='SQLServer:Buffer Manager'", |
---|
53 | '' ), |
---|
54 | 'data cache blocksize' => array('DATAC', |
---|
55 | "select 8192",'page size'), |
---|
56 | 'Connections', |
---|
57 | 'current connections' => array('SESS', |
---|
58 | '=sp_who', |
---|
59 | ''), |
---|
60 | 'max connections' => array('SESS', |
---|
61 | "SELECT @@MAX_CONNECTIONS", |
---|
62 | ''), |
---|
63 | |
---|
64 | false |
---|
65 | ); |
---|
66 | |
---|
67 | |
---|
68 | function perf_mssql(&$conn) |
---|
69 | { |
---|
70 | if ($conn->dataProvider == 'odbc') { |
---|
71 | $this->sql1 = 'sql1'; |
---|
72 | //$this->explain = false; |
---|
73 | } |
---|
74 | $this->conn =& $conn; |
---|
75 | } |
---|
76 | |
---|
77 | function Explain($sql,$partial=false) |
---|
78 | { |
---|
79 | |
---|
80 | $save = $this->conn->LogSQL(false); |
---|
81 | if ($partial) { |
---|
82 | $sqlq = $this->conn->qstr($sql.'%'); |
---|
83 | $arr = $this->conn->GetArray("select distinct sql1 from adodb_logsql where sql1 like $sqlq"); |
---|
84 | if ($arr) { |
---|
85 | foreach($arr as $row) { |
---|
86 | $sql = reset($row); |
---|
87 | if (crc32($sql) == $partial) break; |
---|
88 | } |
---|
89 | } |
---|
90 | } |
---|
91 | |
---|
92 | $s = '<p><b>Explain</b>: '.htmlspecialchars($sql).'</p>'; |
---|
93 | $this->conn->Execute("SET SHOWPLAN_ALL ON;"); |
---|
94 | $sql = str_replace('?',"''",$sql); |
---|
95 | global $ADODB_FETCH_MODE; |
---|
96 | |
---|
97 | $save = $ADODB_FETCH_MODE; |
---|
98 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
---|
99 | $rs =& $this->conn->Execute($sql); |
---|
100 | //adodb_printr($rs); |
---|
101 | $ADODB_FETCH_MODE = $save; |
---|
102 | if ($rs) { |
---|
103 | $rs->MoveNext(); |
---|
104 | $s .= '<table bgcolor=white border=0 cellpadding="1" callspacing=0><tr><td nowrap align=center> Rows<td nowrap align=center> IO<td nowrap align=center> CPU<td align=left> Plan</tr>'; |
---|
105 | while (!$rs->EOF) { |
---|
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!!!! |
---|
107 | $rs->MoveNext(); |
---|
108 | } |
---|
109 | $s .= '</table>'; |
---|
110 | |
---|
111 | $rs->NextRecordSet(); |
---|
112 | } |
---|
113 | |
---|
114 | $this->conn->Execute("SET SHOWPLAN_ALL OFF;"); |
---|
115 | $this->conn->LogSQL($save); |
---|
116 | $s .= $this->Tracer($sql); |
---|
117 | return $s; |
---|
118 | } |
---|
119 | |
---|
120 | function Tables() |
---|
121 | { |
---|
122 | global $ADODB_FETCH_MODE; |
---|
123 | |
---|
124 | $save = $ADODB_FETCH_MODE; |
---|
125 | $ADODB_FETCH_MODE = ADODB_FETCH_NUM; |
---|
126 | //$this->conn->debug=1; |
---|
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>'; |
---|
128 | $rs1 = $this->conn->Execute("select distinct name from sysobjects where xtype='U'"); |
---|
129 | if ($rs1) { |
---|
130 | while (!$rs1->EOF) { |
---|
131 | $tab = $rs1->fields[0]; |
---|
132 | $tabq = $this->conn->qstr($tab); |
---|
133 | $rs2 = $this->conn->Execute("sp_spaceused $tabq"); |
---|
134 | if ($rs2) { |
---|
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>'; |
---|
136 | $rs2->Close(); |
---|
137 | } |
---|
138 | $rs1->MoveNext(); |
---|
139 | } |
---|
140 | $rs1->Close(); |
---|
141 | } |
---|
142 | $ADODB_FETCH_MODE = $save; |
---|
143 | return $s.'</table>'; |
---|
144 | } |
---|
145 | |
---|
146 | function sp_who() |
---|
147 | { |
---|
148 | $arr = $this->conn->GetArray('sp_who'); |
---|
149 | return sizeof($arr); |
---|
150 | } |
---|
151 | |
---|
152 | function HealthCheck($cli=false) |
---|
153 | { |
---|
154 | |
---|
155 | $this->conn->Execute('dbcc traceon(3604)'); |
---|
156 | $html = adodb_perf::HealthCheck($cli); |
---|
157 | $this->conn->Execute('dbcc traceoff(3604)'); |
---|
158 | return $html; |
---|
159 | } |
---|
160 | |
---|
161 | |
---|
162 | } |
---|
163 | |
---|
164 | ?> |
---|