Added base timings

src/pocketmine/event/TimingsHandler.php

@@ -0,0 +1,151 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+namespace pocketmine\event;
+
+use pocketmine\command\defaults\TimingsCommand;
+use pocketmine\entity\Living;
+use pocketmine\plugin\PluginManager;
+use pocketmine\Server;
+
+class TimingsHandler{
+
+	/** @var TimingsHandler[] */
+	private static $HANDLERS = [];
+
+	private $name;
+	/** @var TimingsHandler */
+	private $parent = null;
+
+	private $count = 0;
+	private $start = 0;
+	private $timingDepth = 0;
+	private $totalTime = 0;
+	private $curTickTotal = 0;
+	private $violations = 0;
+
+	/**
+	 * @param string         $name
+	 * @param TimingsHandler $parent
+	 */
+	public function __construct($name, $parent = null){
+		$this->name = $name;
+		if($parent instanceof TimingsHandler){
+			$this->parent = $parent;
+		}
+
+		self::$HANDLERS[spl_object_hash($this)] = $this;
+	}
+
+	public static function printTimings($fp){
+		fwrite($fp, "Minecraft" . PHP_EOL);
+
+		foreach(self::$HANDLERS as $timings){
+			$time = $timings->totalTime;
+			$count = $timings->count;
+			if($count === 0){
+				continue;
+			}
+
+			$avg = $time / $count;
+
+			fwrite($fp, "    " . $timings->name ." Time: ". round($time * 1000000000) ." Count: ". $count ." Avg: ". round($avg * 1000000000) ." Violations: ". $timings->violations . PHP_EOL);
+		}
+
+		fwrite($fp, "# Version " . Server::getInstance()->getVersion() . PHP_EOL);
+		fwrite($fp, "# PocketMine-MP " . Server::getInstance()->getPocketMineVersion() . PHP_EOL);
+
+		$entities = 0;
+		$livingEntities = 0;
+		foreach(Server::getInstance()->getLevels() as $level){
+			$entities += count($level->getEntities());
+			foreach($level->getEntities() as $e){
+				if($e instanceof Living){
+					++$livingEntities;
+				}
+			}
+		}
+
+		fwrite($fp, "# Entities ". $entities . PHP_EOL);
+		fwrite($fp, "# LivingEntities ". $livingEntities . PHP_EOL);
+	}
+
+	public static function reload(){
+		if(Server::getInstance()->getPluginManager()->useTimings()){
+			foreach(self::$HANDLERS as $timings){
+				$timings->reset();
+			}
+			TimingsCommand::$timingStart = microtime(true);
+		}
+	}
+
+	public static function tick(){
+		if(PluginManager::$useTimings){
+			foreach(self::$HANDLERS as $timings){
+				if($timings->curTickTotal > 0.05){
+					$timings->violations += ceil($timings->curTickTotal / 0.05);
+				}
+				$timings->curTickTotal = 0;
+				$timings->timingDepth = 0;
+			}
+		}
+	}
+
+	public function startTiming(){
+		if(PluginManager::$useTimings and ++$this->timingDepth === 1){
+			$this->start = microtime(true);
+			if($this->parent instanceof TimingsHandler and ++$this->parent->timingDepth === 1){
+				$this->parent->start = $this->start;
+			}
+		}
+	}
+
+	public function stopTiming(){
+		if(PluginManager::$useTimings){
+			if(--$this->timingDepth !== 0 or $this->start === 0){
+				return;
+			}
+
+			$diff = microtime(true) - $this->start;
+			$this->totalTime += $diff;
+			$this->curTickTotal += $diff;
+			$this->count++;
+			$this->start = 0;
+			if($this->parent instanceof TimingsHandler){
+				$this->parent->stopTiming();
+			}
+		}
+	}
+
+	public function reset(){
+		$this->count = 0;
+		$this->violations = 0;
+		$this->curTickTotal = 0;
+		$this->totalTime = 0;
+		$this->start = 0;
+		$this->timingDepth = 0;
+	}
+
+	public function remove(){
+		unset(self::$HANDLERS[spl_object_hash($this)]);
+	}
+
+}