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<?php |
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/** |
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* Webperf plugin for Craft CMS 3.x |
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* |
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* Monitor the performance of your webpages through real-world user timing data |
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* |
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* @link https://nystudio107.com |
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* @copyright Copyright (c) 2018 nystudio107 |
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*/ |
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namespace nystudio107\webperf\log; |
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use nystudio107\webperf\Webperf; |
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use yii\log\Target; |
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use yii\log\Logger; |
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/** |
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* @author nystudio107 |
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* @package Webperf |
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* @since 1.0.0 |
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*/ |
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class ProfileTarget extends Target |
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{ |
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const PROFILE_CATEGORIES = [ |
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'database' => [ |
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'prefix' => 'yii\db', |
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], |
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'twig' => [ |
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'prefix' => 'craft\web\twig\Template', |
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], |
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'other' => [ |
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'prefix' => 'webperf-other', |
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], |
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]; |
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// Public Properties |
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// ========================================================================= |
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public $stats = []; |
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// Public Methods |
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// ========================================================================= |
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/** |
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* @inheritdoc |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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foreach (self::PROFILE_CATEGORIES as $key => $value) { |
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$this->stats[$key] = [ |
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'count' => 0, |
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'duration' => 0.0, |
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'memory' => 0, |
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]; |
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} |
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} |
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/** |
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* Processes the given log messages. |
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* This method will filter the given messages with [[levels]] and [[categories]]. |
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* And if requested, it will also export the filtering result to specific medium (e.g. email). |
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* @param array $messages log messages to be processed. See [[Logger::messages]] for the structure |
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* of each message. |
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* @param bool $final whether this method is called at the end of the current application |
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*/ |
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public function collect($messages, $final) |
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{ |
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// Bail if either values are null |
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if (($messages === null) || ($this->messages === null)) { |
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return; |
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} |
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// Merge in any messages intended for us |
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$this->messages = array_merge( |
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$this->messages, |
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static::filterMessages($messages, $this->getLevels(), $this->categories, $this->except) |
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); |
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// Calculate the timings from the messages, and then reset them |
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$timings = $this->calculateTimings($this->messages); |
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$this->messages = []; |
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// Loop through and tally up all of the timings |
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foreach ($timings as $timing) { |
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$cat = 'other'; |
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foreach (self::PROFILE_CATEGORIES as $key => $value) { |
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if (strpos($timing['category'], $value['prefix']) === 0) { |
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$cat = $key; |
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} |
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} |
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$this->stats[$cat]['count']++; |
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$this->stats[$cat]['duration'] += (float)$timing['duration'] * 1000; |
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$this->stats[$cat]['memory'] += (int)$timing['memoryDiff']; |
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} |
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if ($final) { |
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$this->export(); |
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Webperf::$plugin->beacons->includeCraftBeacon(); |
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} |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function export() |
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{ |
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} |
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// Protected Methods |
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// ========================================================================= |
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/** |
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* Calculates the elapsed time for the given log messages. |
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* @param array $messages the log messages obtained from profiling |
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* @return array timings. Each element is an array consisting of these elements: |
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* `info`, `category`, `timestamp`, `trace`, `level`, `duration`, `memory`, `memoryDiff`. |
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* The `memory` and `memoryDiff` values are available since version 2.0.11. |
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*/ |
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protected function calculateTimings($messages): array |
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{ |
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$timings = []; |
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$stack = []; |
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foreach ($messages as $i => $log) { |
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list($token, $level, $category, $timestamp, $traces) = $log; |
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$memory = isset($log[5]) ? $log[5] : 0; |
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$log[6] = $i; |
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$hash = md5(json_encode($token)); |
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if ($level == Logger::LEVEL_PROFILE_BEGIN) { |
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$stack[$hash] = $log; |
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} elseif ($level == Logger::LEVEL_PROFILE_END) { |
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if (isset($stack[$hash])) { |
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$timings[$stack[$hash][6]] = [ |
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'category' => $stack[$hash][2], |
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'timestamp' => $stack[$hash][3], |
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'level' => count($stack) - 1, |
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'duration' => $timestamp - $stack[$hash][3], |
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'memory' => $memory, |
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'memoryDiff' => $memory - (isset($stack[$hash][5]) ? $stack[$hash][5] : 0), |
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]; |
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unset($stack[$hash]); |
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} |
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} |
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} |
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return array_values($timings); |
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} |
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} |
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nystudio107 /
craft-webperf
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