<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace yii\debug\panels; use Yii; use yii\debug\Panel; use yii\helpers\Html; use yii\log\Logger; /** * Debugger panel that collects and displays performance profiling info. * * @author Qiang Xue <qiang.xue@gmail.com> * @since 2.0 */ class ProfilingPanel extends Panel { public function getName() { return 'Profiling'; } public function getSummary() { $memory = sprintf('%.1f MB', $this->data['memory'] / 1048576); $time = number_format($this->data['time'] * 1000) . ' ms'; $url = $this->getUrl(); return <<<EOD <div class="yii-debug-toolbar-block"> <a href="$url" title="Total request processing time was $time">Time <span class="label">$time</span></a> </div> <div class="yii-debug-toolbar-block"> <a href="$url" title="Peak memory consumption">Memory <span class="label">$memory</span></a> </div> EOD; } public function getDetail() { $messages = $this->data['messages']; $timings = []; $stack = []; foreach ($messages as $i => $log) { list($token, $level, $category, $timestamp, $traces) = $log; if ($level == Logger::LEVEL_PROFILE_BEGIN) { $stack[] = $log; } elseif ($level == Logger::LEVEL_PROFILE_END) { if (($last = array_pop($stack)) !== null && $last[0] === $token) { $timings[] = [count($stack), $token, $category, $timestamp - $last[3], $traces]; } } } $now = microtime(true); while (($last = array_pop($stack)) !== null) { $timings[] = [count($stack), $last[0], $last[2], $now - $last[3], $last[4]]; } $rows = []; foreach ($timings as $timing) { $time = sprintf('%.1f ms', $timing[3] * 1000); $procedure = str_repeat('<span class="indent">→</span>', $timing[0]) . Html::encode($timing[1]); $category = Html::encode($timing[2]); $rows[] = "<tr><td style=\"width: 80px;\">$time</td><td style=\"width: 220px;\">$category</td><td>$procedure</td>"; } $rows = implode("\n", $rows); $memory = sprintf('%.1f MB', $this->data['memory'] / 1048576); $time = number_format($this->data['time'] * 1000) . ' ms'; return <<<EOD <h2>Performance Profiling</h2> <p>Total processing time: <b>$time</b>; Peak memory: <b>$memory</b>.</p> <table class="table table-condensed table-bordered table-striped table-hover" style="table-layout: fixed;"> <thead> <tr> <th style="width: 80px;">Time</th> <th style="width: 220px;">Category</th> <th>Procedure</th> </tr> </thead> <tbody> $rows </tbody> </table> EOD; } public function save() { $target = $this->module->logTarget; $messages = $target->filterMessages($target->messages, Logger::LEVEL_PROFILE); return [ 'memory' => memory_get_peak_usage(), 'time' => microtime(true) - YII_BEGIN_TIME, 'messages' => $messages, ]; } }