125 lines
3.4 KiB
PHP
125 lines
3.4 KiB
PHP
<?php
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require_once(dirname(__FILE__).'/Profiler.php');
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/**
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* Simple profiler base class.
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* @todo document methods (?)
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* @addtogroup Profiler
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*/
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class ProfilerSimple extends Profiler {
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var $mMinimumTime = 0;
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var $mProfileID = false;
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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) - $wgRequestTime;
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$entry =& $this->mCollated["-setup"];
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if (!is_array($entry)) {
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$entry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
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$this->mCollated["-setup"] =& $entry;
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}
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$entry['cpu'] += $elapsedcpu;
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$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
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$entry['real'] += $elapsedreal;
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$entry['real_sq'] += $elapsedreal*$elapsedreal;
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$entry['count']++;
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}
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}
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function setMinimum( $min ) {
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$this->mMinimumTime = $min;
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}
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function setProfileID( $id ) {
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$this->mProfileID = $id;
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}
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function getProfileID() {
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if ( $this->mProfileID === false ) {
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return wfWikiID();
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} else {
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return $this->mProfileID;
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}
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}
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function profileIn($functionname) {
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global $wgDebugFunctionEntry;
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if ($wgDebugFunctionEntry) {
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$this->debug(str_repeat(' ', count($this->mWorkStack)).'Entering '.$functionname."\n");
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}
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$this->mWorkStack[] = array($functionname, count( $this->mWorkStack ), microtime(true), $this->getCpuTime());
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}
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function profileOut($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->debug("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->debug( "$message\n" );
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}
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elseif ($ofname != $functionname) {
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$message = "Profiling error: in({$ofname}), out($functionname)";
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$this->debug( "$message\n" );
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}
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$entry =& $this->mCollated[$functionname];
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$elapsedcpu = $this->getCpuTime() - $octime;
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$elapsedreal = microtime(true) - $ortime;
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if (!is_array($entry)) {
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$entry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
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$this->mCollated[$functionname] =& $entry;
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}
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$entry['cpu'] += $elapsedcpu;
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$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
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$entry['real'] += $elapsedreal;
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$entry['real_sq'] += $elapsedreal*$elapsedreal;
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$entry['count']++;
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}
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}
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function getFunctionReport() {
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/* Implement in output subclasses */
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}
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function getCpuTime($ru=null) {
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if ( function_exists( 'getrusage' ) ) {
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if ( $ru == null )
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$ru = getrusage();
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return ($ru['ru_utime.tv_sec'] + $ru['ru_stime.tv_sec'] + ($ru['ru_utime.tv_usec'] +
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$ru['ru_stime.tv_usec']) * 1e-6);
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} else {
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return 0;
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}
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}
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/* If argument is passed, it assumes that it is dual-format time string, returns proper float time value */
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function getTime($time=null) {
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if ($time==null)
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return microtime(true);
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list($a,$b)=explode(" ",$time);
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return (float)($a+$b);
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}
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function debug( $s ) {
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if (function_exists( 'wfDebug' ) ) {
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wfDebug( $s );
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}
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}
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}
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