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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; } }
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