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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\models\search\Profile;
use yii\debug\Panel;
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
{
/**
* @var array current request profile timings
*/
private $_models;
/**
* {@inheritdoc}
*/
public function getName()
{
return 'Profiling';
}
/**
* {@inheritdoc}
*/
public function getSummary()
{
return Yii::$app->view->render('panels/profile/summary', [
'memory' => sprintf('%.3f MB', $this->data['memory'] / 1048576),
'time' => number_format($this->data['time'] * 1000) . ' ms',
'panel' => $this
]);
}
/**
* {@inheritdoc}
*/
public function getDetail()
{
$searchModel = new Profile();
$dataProvider = $searchModel->search(Yii::$app->request->getQueryParams(), $this->getModels());
return Yii::$app->view->render('panels/profile/detail', [
'panel' => $this,
'dataProvider' => $dataProvider,
'searchModel' => $searchModel,
'memory' => sprintf('%.3f MB', $this->data['memory'] / 1048576),
'time' => number_format($this->data['time'] * 1000) . ' ms',
]);
}
/**
* {@inheritdoc}
*/
public function save()
{
$messages = $this->getLogMessages(Logger::LEVEL_PROFILE);
return [
'memory' => memory_get_peak_usage(),
'time' => microtime(true) - YII_BEGIN_TIME,
'messages' => $messages,
];
}
/**
* Returns array of profiling models that can be used in a data provider.
* @return array models
*/
protected function getModels()
{
if ($this->_models === null) {
$this->_models = [];
$timings = Yii::getLogger()->calculateTimings(isset($this->data['messages']) ? $this->data['messages'] : []);
foreach ($timings as $seq => $profileTiming) {
$this->_models[] = [
'duration' => $profileTiming['duration'] * 1000, // in milliseconds
'category' => $profileTiming['category'],
'info' => $profileTiming['info'],
'level' => $profileTiming['level'],
'timestamp' => $profileTiming['timestamp'] * 1000, //in milliseconds
'seq' => $seq,
];
}
}
return $this->_models;
}
}