Initial checkin v13.0

tp/adodb512/perf/perf-informix.inc.php

@@ -0,0 +1,70 @@
+<?php
+/* 
+V5.11 5 May 2010   (c) 2000-2010 John Lim (jlim#natsoft.com). 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();
+
+//
+// Thx to  Fernando Ortiz, mailto:fortiz#lacorona.com.mx
+// With info taken from http://www.oninit.com/oninit/sysmaster/index.html
+//
+class perf_informix extends adodb_perf{
+
+	// Maximum size on varchar upto 9.30 255 chars
+	// better truncate varchar to 255 than char(4000) ?
+	var $createTableSQL = "CREATE TABLE adodb_logsql (
+		created datetime year to second NOT NULL,
+		sql0 varchar(250) NOT NULL,
+		sql1 varchar(255) NOT NULL,
+		params varchar(255) NOT NULL,
+		tracer varchar(255) NOT NULL,
+		timer decimal(16,6) NOT NULL
+	)";
+	
+	var $tablesSQL = "select a.tabname tablename, ti_nptotal*2 size_in_k, ti_nextns extents, ti_nrows records from systables c, sysmaster:systabnames a, sysmaster:systabinfo b where c.tabname not matches 'sys*' and c.partnum = a.partnum and c.partnum = b.ti_partnum";
+	
+	var $settings = array(
+	'Ratios',
+		'data cache hit ratio' => array('RATIOH',
+		"select round((1-(wt.value / (rd.value + wr.value)))*100,2)
+		from sysmaster:sysprofile wr, sysmaster:sysprofile rd, sysmaster:sysprofile wt
+		where rd.name = 'pagreads' and
+		wr.name = 'pagwrites' and
+		wt.name = 'buffwts'",
+		'=WarnCacheRatio'),
+	'IO',
+		'data reads' => array('IO',
+		"select value from sysmaster:sysprofile where name='pagreads'",
+		'Page reads'),
+		
+		'data writes' => array('IO',
+		"select value from sysmaster:sysprofile where name='pagwrites'",
+		'Page writes'),
+	
+	'Connections',
+		'current connections' => array('SESS',
+		'select count(*) from sysmaster:syssessions',
+		'Number of sessions'),
+	
+	false
+	
+	);
+	
+	function perf_informix(&$conn)
+	{
+		$this->conn = $conn;
+	}
+
+}
+?>