egroupware/phpgwapi/inc/adodb/perf/perf-mssql.inc.php

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<?php
/*
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V4.52 10 Aug 2004 (c) 2000-2004 John Lim (jlim@natsoft.com.my). All rights reserved.
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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
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Library for basic performance monitoring and tuning
*/
// security - hide paths
if (!defined('ADODB_DIR')) die();
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/*
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)
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{
$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) == $partial) break;
}
}
}
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$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();
$s .= '<table bgcolor=white border=0 cellpadding="1" callspacing=0><tr><td nowrap align=center> Rows<td nowrap align=center> IO<td nowrap align=center> CPU<td align=left> &nbsp; &nbsp; Plan</tr>';
while (!$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);
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$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;
}
}
?>