MediaWiki REL1_39
ProfilerExcimer.php
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1<?php
28 private $cpuProf;
30 private $realProf;
31 private $period;
32
42 public function __construct( array $params = [] ) {
43 parent::__construct( $params );
44
45 $this->period = $params['period'] ?? 0.01;
46 $maxDepth = $params['maxDepth'] ?? 100;
47
48 if ( isset( $params['cpuProfiler'] ) ) {
49 $this->cpuProf = $params['cpuProfiler'];
50 } else {
51 $this->cpuProf = new ExcimerProfiler;
52 $this->cpuProf->setEventType( EXCIMER_CPU );
53 $this->cpuProf->setPeriod( $this->period );
54 $this->cpuProf->setMaxDepth( $maxDepth );
55 $this->cpuProf->start();
56 }
57
58 if ( isset( $params['realProfiler'] ) ) {
59 $this->realProf = $params['realProfiler'];
60 } else {
61 $this->realProf = new ExcimerProfiler;
62 $this->realProf->setEventType( EXCIMER_REAL );
63 $this->realProf->setPeriod( $this->period );
64 $this->realProf->setMaxDepth( $maxDepth );
65 $this->realProf->start();
66 }
67 }
68
69 public function scopedProfileIn( $section ) {
70 }
71
72 public function close() {
73 $this->cpuProf->stop();
74 $this->realProf->stop();
75 }
76
77 public function getFunctionStats() {
78 $this->close();
79 $cpuStats = $this->cpuProf->getLog()->aggregateByFunction();
80 '@phan-var array $cpuStats';
81 $realStats = $this->realProf->getLog()->aggregateByFunction();
82 '@phan-var array $realStats';
83 $allNames = array_keys( $realStats + $cpuStats );
84 $cpuSamples = $this->cpuProf->getLog()->getEventCount();
85 $realSamples = $this->realProf->getLog()->getEventCount();
86
87 $resultStats = [ [
88 'name' => '-total',
89 'calls' => 1,
90 'memory' => 0,
91 '%memory' => 0,
92 'min_real' => 0,
93 'max_real' => 0,
94 'cpu' => $cpuSamples * $this->period * 1000,
95 '%cpu' => 100,
96 'real' => $realSamples * $this->period * 1000,
97 '%real' => 100,
98 ] ];
99
100 foreach ( $allNames as $funcName ) {
101 $cpuEntry = $cpuStats[$funcName] ?? false;
102 $realEntry = $realStats[$funcName] ?? false;
103 $resultEntry = [
104 'name' => $funcName,
105 'calls' => 0,
106 'memory' => 0,
107 '%memory' => 0,
108 'min_real' => 0,
109 'max_real' => 0,
110 ];
111
112 if ( $cpuEntry ) {
113 $resultEntry['cpu'] = $cpuEntry['inclusive'] * $this->period * 1000;
114 $resultEntry['%cpu'] = $cpuEntry['inclusive'] / $cpuSamples * 100;
115 } else {
116 $resultEntry['cpu'] = 0;
117 $resultEntry['%cpu'] = 0;
118 }
119 if ( $realEntry ) {
120 $resultEntry['real'] = $realEntry['inclusive'] * $this->period * 1000;
121 $resultEntry['%real'] = $realEntry['inclusive'] / $realSamples * 100;
122 } else {
123 $resultEntry['real'] = 0;
124 $resultEntry['%real'] = 0;
125 }
126
127 $resultStats[] = $resultEntry;
128 }
129 return $resultStats;
130 }
131
132 public function getOutput() {
133 $this->close();
134 $cpuLog = $this->cpuProf->getLog();
135 $realLog = $this->realProf->getLog();
136 $cpuStats = $cpuLog->aggregateByFunction();
137 '@phan-var array $cpuStats';
138 $realStats = $realLog->aggregateByFunction();
139 '@phan-var array $realStats';
140 $allNames = array_keys( $cpuStats + $realStats );
141 $cpuSamples = $cpuLog->getEventCount();
142 $realSamples = $realLog->getEventCount();
143
144 $result = '';
145
146 $titleFormat = "%-70s %10s %11s %10s %11s %10s %11s %10s %11s\n";
147 $statsFormat = "%-70s %10d %10.1f%% %10d %10.1f%% %10d %10.1f%% %10d %10.1f%%\n";
148 $result .= sprintf( $titleFormat,
149 'Name',
150 'CPU incl', 'CPU incl%', 'CPU self', 'CPU self%',
151 'Real incl', 'Real incl%', 'Real self', 'Real self%'
152 );
153
154 foreach ( $allNames as $funcName ) {
155 $realEntry = $realStats[$funcName] ?? false;
156 $cpuEntry = $cpuStats[$funcName] ?? false;
157 $realIncl = $realEntry ? $realEntry['inclusive'] : 0;
158 $realSelf = $realEntry ? $realEntry['self'] : 0;
159 $cpuIncl = $cpuEntry ? $cpuEntry['inclusive'] : 0;
160 $cpuSelf = $cpuEntry ? $cpuEntry['self'] : 0;
161 $result .= sprintf( $statsFormat,
162 $funcName,
163 $cpuIncl * $this->period * 1000,
164 $cpuIncl == 0 ? 0 : $cpuIncl / $cpuSamples * 100,
165 $cpuSelf * $this->period * 1000,
166 $cpuSelf == 0 ? 0 : $cpuSelf / $cpuSamples * 100,
167 $realIncl * $this->period * 1000,
168 $realIncl == 0 ? 0 : $realIncl / $realSamples * 100,
169 $realSelf * $this->period * 1000,
170 $realSelf == 0 ? 0 : $realSelf / $realSamples * 100
171 );
172 }
173
174 return $result;
175 }
176}
close()
Close opened profiling sections.
getOutput()
Returns a profiling output to be stored in debug file.
scopedProfileIn( $section)
Mark the start of a custom profiling frame (e.g.
__construct(array $params=[])
getFunctionStats()
Get the aggregated inclusive profiling data for each method.
Profiler base class that defines the interface and some shared functionality.
Definition Profiler.php:36
array $params
All of the params passed from $wgProfiler.
Definition Profiler.php:40