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<?php
/**
* 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
* @since 1.33
* @see $wgProfiler
*/
class ProfilerExcimer extends Profiler {
/** @var ExcimerProfiler */
private $cpuProf;
/** @var ExcimerProfiler */
private $realProf;
/** @var float */
private $period;
/**
* @param array $params Associative array of parameters:
* - period: The sampling period
* - maxDepth: The maximum stack depth collected
* - cpuProfiler: A pre-started ExcimerProfiler instance for CPU
* profiling of the entire request including configuration.
* - realProfiler: A pre-started ExcimerProfiler instance for wall
* clock profiling of the entire request.
*/
public function __construct( array $params = [] ) {
parent::__construct( $params );
$this->period = $params['period'] ?? 0.01;
$maxDepth = $params['maxDepth'] ?? 100;
if ( isset( $params['cpuProfiler'] ) ) {
$this->cpuProf = $params['cpuProfiler'];
} else {
$this->cpuProf = new ExcimerProfiler;
$this->cpuProf->setEventType( EXCIMER_CPU );
$this->cpuProf->setPeriod( $this->period );
$this->cpuProf->setMaxDepth( $maxDepth );
$this->cpuProf->start();
}
if ( isset( $params['realProfiler'] ) ) {
$this->realProf = $params['realProfiler'];
} else {
$this->realProf = new ExcimerProfiler;
$this->realProf->setEventType( EXCIMER_REAL );
$this->realProf->setPeriod( $this->period );
$this->realProf->setMaxDepth( $maxDepth );
$this->realProf->start();
}
}
public function scopedProfileIn( $section ) {
}
public function close() {
$this->cpuProf->stop();
$this->realProf->stop();
}
public function getFunctionStats() {
$this->close();
$cpuStats = $this->cpuProf->getLog()->aggregateByFunction();
'@phan-var array $cpuStats';
$realStats = $this->realProf->getLog()->aggregateByFunction();
'@phan-var array $realStats';
$allNames = array_keys( $realStats + $cpuStats );
$cpuSamples = $this->cpuProf->getLog()->getEventCount();
$realSamples = $this->realProf->getLog()->getEventCount();
$resultStats = [ [
'name' => '-total',
'calls' => 1,
'memory' => 0,
'%memory' => 0,
'min_real' => 0,
'max_real' => 0,
'cpu' => $cpuSamples * $this->period * 1000,
'%cpu' => 100,
'real' => $realSamples * $this->period * 1000,
'%real' => 100,
] ];
foreach ( $allNames as $funcName ) {
$cpuEntry = $cpuStats[$funcName] ?? false;
$realEntry = $realStats[$funcName] ?? false;
$resultEntry = [
'name' => $funcName,
'calls' => 0,
'memory' => 0,
'%memory' => 0,
'min_real' => 0,
'max_real' => 0,
];
if ( $cpuEntry ) {
$resultEntry['cpu'] = $cpuEntry['inclusive'] * $this->period * 1000;
$resultEntry['%cpu'] = $cpuEntry['inclusive'] / $cpuSamples * 100;
} else {
$resultEntry['cpu'] = 0;
$resultEntry['%cpu'] = 0;
}
if ( $realEntry ) {
$resultEntry['real'] = $realEntry['inclusive'] * $this->period * 1000;
$resultEntry['%real'] = $realEntry['inclusive'] / $realSamples * 100;
} else {
$resultEntry['real'] = 0;
$resultEntry['%real'] = 0;
}
$resultStats[] = $resultEntry;
}
return $resultStats;
}
public function getOutput() {
$this->close();
$cpuLog = $this->cpuProf->getLog();
$realLog = $this->realProf->getLog();
$cpuStats = $cpuLog->aggregateByFunction();
'@phan-var array $cpuStats';
$realStats = $realLog->aggregateByFunction();
'@phan-var array $realStats';
$allNames = array_keys( $cpuStats + $realStats );
$cpuSamples = $cpuLog->getEventCount();
$realSamples = $realLog->getEventCount();
$result = '';
$titleFormat = "%-70s %10s %11s %10s %11s %10s %11s %10s %11s\n";
$statsFormat = "%-70s %10d %10.1f%% %10d %10.1f%% %10d %10.1f%% %10d %10.1f%%\n";
$result .= sprintf( $titleFormat,
'Name',
'CPU incl', 'CPU incl%', 'CPU self', 'CPU self%',
'Real incl', 'Real incl%', 'Real self', 'Real self%'
);
foreach ( $allNames as $funcName ) {
$realEntry = $realStats[$funcName] ?? false;
$cpuEntry = $cpuStats[$funcName] ?? false;
$realIncl = $realEntry ? $realEntry['inclusive'] : 0;
$realSelf = $realEntry ? $realEntry['self'] : 0;
$cpuIncl = $cpuEntry ? $cpuEntry['inclusive'] : 0;
$cpuSelf = $cpuEntry ? $cpuEntry['self'] : 0;
$result .= sprintf( $statsFormat,
$funcName,
$cpuIncl * $this->period * 1000,
$cpuIncl == 0 ? 0 : $cpuIncl / $cpuSamples * 100,
$cpuSelf * $this->period * 1000,
$cpuSelf == 0 ? 0 : $cpuSelf / $cpuSamples * 100,
$realIncl * $this->period * 1000,
$realIncl == 0 ? 0 : $realIncl / $realSamples * 100,
$realSelf * $this->period * 1000,
$realSelf == 0 ? 0 : $realSelf / $realSamples * 100
);
}
return $result;
}
}