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<?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 = array();
$stack = array();
foreach ($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) {
$timings[] = array(count($stack), $token, $category, $timestamp - $last[3], $traces);
}
}
}
$now = microtime(true);
while (($last = array_pop($stack)) !== null) {
$timings[] = array(count($stack), $last[0], $last[2], $now - $last[3], $last[4]);
}
$rows = array();
foreach ($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 array(
'memory' => memory_get_peak_usage(),
'time' => microtime(true) - YII_BEGIN_TIME,
'messages' => $messages,
);
}
}