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perf-mssql.inc.php
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1 <?php
2 
3 /*
4 V5.19 23-Apr-2014 (c) 2000-2014 John Lim (jlim#natsoft.com). 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 && !$rs->EOF) {
103  $rs->MoveNext();
104  $s .= '<table bgcolor=white border=0 cellpadding="1" callspacing=0><tr><td nowrap align=center> Rows<td nowrap align=center> IO<td nowrap align=center> CPU<td align=left> &nbsp; &nbsp; Plan</tr>';
105  while (!$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 }
$sql
Definition: server.php:82
perf_mssql(&$conn)
if(isset($_REQUEST['nrows'])) else $rs
Definition: server.php:92
Explain($sql, $partial=false)
HealthCheck($cli=false)
die
Definition: index.php:6
HealthCheck($cli=false)