<?php
/**
+ * Profiler showing execution trace.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup Profiler
*/
-if ( !class_exists( 'ProfilerSimple' ) ) {
- require_once( dirname( __FILE__ ) . '/ProfilerSimple.php' );
-}
-
/**
* Execution trace
* @todo document methods (?)
* @ingroup Profiler
*/
class ProfilerSimpleTrace extends ProfilerSimple {
- var $mMinimumTime = 0;
- var $mProfileID = false;
- var $trace = "";
+ var $trace = "Beginning trace: \n";
var $memory = 0;
- function __construct() {
- global $wgRequestTime, $wgRUstart;
- if ( !empty( $wgRequestTime ) && !empty( $wgRUstart ) ) {
- $this->mWorkStack[] = array( '-total', 0, $wgRequestTime, $this->getCpuTime( $wgRUstart ) );
- }
- $this->trace .= "Beginning trace: \n";
- }
-
- function profileIn($functionname) {
- $this->mWorkStack[] = array($functionname, count( $this->mWorkStack ), microtime(true), $this->getCpuTime());
+ function profileIn( $functionname ) {
+ parent::profileIn( $functionname );
$this->trace .= " " . sprintf("%6.1f",$this->memoryDiff()) .
str_repeat( " ", count($this->mWorkStack)) . " > " . $functionname . "\n";
}
$this->debug(str_repeat(' ', count($this->mWorkStack) - 1).'Exiting '.$functionname."\n");
}
- list( $ofname, /* $ocount */ , $ortime, $octime ) = array_pop( $this->mWorkStack );
+ list( $ofname, /* $ocount */ , $ortime ) = array_pop( $this->mWorkStack );
if ( !$ofname ) {
$this->trace .= "Profiling error: $functionname\n";
elseif ( $ofname != $functionname ) {
$this->trace .= "Profiling error: in({$ofname}), out($functionname)";
}
- $elapsedreal = microtime( true ) - $ortime;
+ $elapsedreal = $this->getTime() - $ortime;
$this->trace .= sprintf( "%03.6f %6.1f", $elapsedreal, $this->memoryDiff() ) .
str_repeat(" ", count( $this->mWorkStack ) + 1 ) . " < " . $functionname . "\n";
}
return $diff / 1024;
}
- function getOutput() {
+ function logData() {
print "<!-- \n {$this->trace} \n -->";
}
}