72 lines
2.1 KiB
PHP
72 lines
2.1 KiB
PHP
<?php
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/**
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* @file
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* @ingroup Profiler
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*/
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if ( !class_exists( 'ProfilerSimple' ) ) {
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require_once(dirname(__FILE__).'/ProfilerSimple.php');
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}
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/**
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* Execution trace
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* @todo document methods (?)
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* @ingroup Profiler
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*/
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class ProfilerSimpleTrace extends ProfilerSimple {
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var $mMinimumTime = 0;
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var $mProfileID = false;
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var $trace = "";
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var $memory = 0;
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function __construct() {
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global $wgRequestTime, $wgRUstart;
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if (!empty($wgRequestTime) && !empty($wgRUstart)) {
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$this->mWorkStack[] = array( '-total', 0, $wgRequestTime,$this->getCpuTime($wgRUstart));
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$elapsedcpu = $this->getCpuTime() - $this->getCpuTime($wgRUstart);
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$elapsedreal = microtime(true) - $wgRequestTime;
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}
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$this->trace .= "Beginning trace: \n";
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}
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function profileIn($functionname) {
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$this->mWorkStack[] = array($functionname, count( $this->mWorkStack ), microtime(true), $this->getCpuTime());
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$this->trace .= " " . sprintf("%6.1f",$this->memoryDiff()) . str_repeat( " ", count($this->mWorkStack)) . " > " . $functionname . "\n";
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}
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function profileOut($functionname) {
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global $wgDebugFunctionEntry;
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if ($wgDebugFunctionEntry) {
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$this->debug(str_repeat(' ', count($this->mWorkStack) - 1).'Exiting '.$functionname."\n");
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}
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list($ofname, /* $ocount */ ,$ortime,$octime) = array_pop($this->mWorkStack);
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if (!$ofname) {
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$this->trace .= "Profiling error: $functionname\n";
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} else {
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if ($functionname == 'close') {
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$message = "Profile section ended by close(): {$ofname}";
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$functionname = $ofname;
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$this->trace .= $message . "\n";
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}
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elseif ($ofname != $functionname) {
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$this->trace .= "Profiling error: in({$ofname}), out($functionname)";
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}
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$elapsedcpu = $this->getCpuTime() - $octime;
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$elapsedreal = microtime(true) - $ortime;
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$this->trace .= sprintf("%03.6f %6.1f",$elapsedreal,$this->memoryDiff()) . str_repeat(" ",count($this->mWorkStack)+1) . " < " . $functionname . "\n";
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}
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}
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function memoryDiff() {
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$diff = memory_get_usage() - $this->memory;
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$this->memory = memory_get_usage();
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return $diff/1024;
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}
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function getOutput() {
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print "<!-- \n {$this->trace} \n -->";
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}
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}
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