--- /dev/null
+<?php
+
+/*
+V5.02 24 Sept 2007 (c) 2000-2007 John Lim (jlim#natsoft.com.my). All rights reserved.
+ 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 http://adodb.sourceforge.net
+
+ Library for basic performance monitoring and tuning
+
+*/
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+/*
+ MSSQL has moved most performance info to Performance Monitor
+*/
+class perf_mssql extends adodb_perf{
+ var $sql1 = 'cast(sql1 as text)';
+ var $createTableSQL = "CREATE TABLE adodb_logsql (
+ created datetime NOT NULL,
+ sql0 varchar(250) NOT NULL,
+ sql1 varchar(4000) NOT NULL,
+ params varchar(3000) NOT NULL,
+ tracer varchar(500) NOT NULL,
+ timer decimal(16,6) NOT NULL
+ )";
+
+ var $settings = array(
+ 'Ratios',
+ 'data cache hit ratio' => array('RATIO',
+ "select round((a.cntr_value*100.0)/b.cntr_value,2) from master.dbo.sysperfinfo a, master.dbo.sysperfinfo b where a.counter_name = 'Buffer cache hit ratio' and b.counter_name='Buffer cache hit ratio base'",
+ '=WarnCacheRatio'),
+ 'prepared sql hit ratio' => array('RATIO',
+ array('dbcc cachestats','Prepared',1,100),
+ ''),
+ 'adhoc sql hit ratio' => array('RATIO',
+ array('dbcc cachestats','Adhoc',1,100),
+ ''),
+ 'IO',
+ 'data reads' => array('IO',
+ "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page reads/sec'"),
+ 'data writes' => array('IO',
+ "select cntr_value from master.dbo.sysperfinfo where counter_name = 'Page writes/sec'"),
+
+ 'Data Cache',
+ 'data cache size' => array('DATAC',
+ "select cntr_value*8192 from master.dbo.sysperfinfo where counter_name = 'Total Pages' and object_name='SQLServer:Buffer Manager'",
+ '' ),
+ 'data cache blocksize' => array('DATAC',
+ "select 8192",'page size'),
+ 'Connections',
+ 'current connections' => array('SESS',
+ '=sp_who',
+ ''),
+ 'max connections' => array('SESS',
+ "SELECT @@MAX_CONNECTIONS",
+ ''),
+
+ false
+ );
+
+
+ function perf_mssql(&$conn)
+ {
+ if ($conn->dataProvider == 'odbc') {
+ $this->sql1 = 'sql1';
+ //$this->explain = false;
+ }
+ $this->conn = $conn;
+ }
+
+ function Explain($sql,$partial=false)
+ {
+
+ $save = $this->conn->LogSQL(false);
+ if ($partial) {
+ $sqlq = $this->conn->qstr($sql.'%');
+ $arr = $this->conn->GetArray("select distinct sql1 from adodb_logsql where sql1 like $sqlq");
+ if ($arr) {
+ foreach($arr as $row) {
+ $sql = reset($row);
+ if (crc32($sql) == $partial) break;
+ }
+ }
+ }
+
+ $s = '<p><b>Explain</b>: '.htmlspecialchars($sql).'</p>';
+ $this->conn->Execute("SET SHOWPLAN_ALL ON;");
+ $sql = str_replace('?',"''",$sql);
+ global $ADODB_FETCH_MODE;
+
+ $save = $ADODB_FETCH_MODE;
+ $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+ $rs = $this->conn->Execute($sql);
+ //adodb_printr($rs);
+ $ADODB_FETCH_MODE = $save;
+ if ($rs) {
+ $rs->MoveNext();
+ $s .= '<table bgcolor=white border=0 cellpadding="1" callspacing=0><tr><td nowrap align=center> Rows<td nowrap align=center> IO<td nowrap align=center> CPU<td align=left> Plan</tr>';
+ while (!$rs->EOF) {
+ $s .= '<tr><td>'.round($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!!!!
+ $rs->MoveNext();
+ }
+ $s .= '</table>';
+
+ $rs->NextRecordSet();
+ }
+
+ $this->conn->Execute("SET SHOWPLAN_ALL OFF;");
+ $this->conn->LogSQL($save);
+ $s .= $this->Tracer($sql);
+ return $s;
+ }
+
+ function Tables()
+ {
+ global $ADODB_FETCH_MODE;
+
+ $save = $ADODB_FETCH_MODE;
+ $ADODB_FETCH_MODE = ADODB_FETCH_NUM;
+ //$this->conn->debug=1;
+ $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>';
+ $rs1 = $this->conn->Execute("select distinct name from sysobjects where xtype='U'");
+ if ($rs1) {
+ while (!$rs1->EOF) {
+ $tab = $rs1->fields[0];
+ $tabq = $this->conn->qstr($tab);
+ $rs2 = $this->conn->Execute("sp_spaceused $tabq");
+ if ($rs2) {
+ $s .= '<tr><td>'.$tab.'</td><td align=right>'.$rs2->fields[3].'</td><td align=right>'.$rs2->fields[4].'</td><td align=right>'.$rs2->fields[2].'</td></tr>';
+ $rs2->Close();
+ }
+ $rs1->MoveNext();
+ }
+ $rs1->Close();
+ }
+ $ADODB_FETCH_MODE = $save;
+ return $s.'</table>';
+ }
+
+ function sp_who()
+ {
+ $arr = $this->conn->GetArray('sp_who');
+ return sizeof($arr);
+ }
+
+ function HealthCheck($cli=false)
+ {
+
+ $this->conn->Execute('dbcc traceon(3604)');
+ $html = adodb_perf::HealthCheck($cli);
+ $this->conn->Execute('dbcc traceoff(3604)');
+ return $html;
+ }
+
+
+}
+
+?>
\ No newline at end of file
BGBM BDI Projects / geo.git / blobdiff