Add Aikar's timings patches.

2013-01-19 19:28:14 +11:00 · 2013-01-19 19:28:14 +11:00 · 84f611144b
Commit 84f611144b
--- a/Bukkit-Patches/0002-Measure-the-duration-of-the-entire-timings-run.patch
+++ b/Bukkit-Patches/0002-Measure-the-duration-of-the-entire-timings-run.patch
@ -0,0 +1,65 @@
+From a1e1f7ed9dab3b4b7889ae54120fc1e24ccb0c12 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Wed, 9 Jan 2013 16:53:45 -0500
+Subject: [PATCH] Measure the duration of the entire timings run.
+
+---
+ src/main/java/org/bukkit/command/defaults/TimingsCommand.java | 4 ++++
+ src/main/java/org/bukkit/plugin/SimplePluginManager.java      | 2 ++
+ 2 files changed, 6 insertions(+)
+
+diff --git a/src/main/java/org/bukkit/command/defaults/TimingsCommand.java b/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
+index 29ebbe0..94cd62c 100644
+--- a/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
+@@ -22,6 +22,7 @@ import com.google.common.collect.ImmutableList;
+ public class TimingsCommand extends BukkitCommand {
+     private static final List<String> TIMINGS_SUBCOMMANDS = ImmutableList.of("merged", "reset", "separate");
+ 
+    public static long timingStart =  0; // Spigot
+     public TimingsCommand(String name) {
+         super(name);
+         this.description = "Records timings for all plugin events";
+@@ -50,9 +51,11 @@ public class TimingsCommand extends BukkitCommand {
+                     }
+                 }
+             }
+            timingStart = System.nanoTime(); // Spigot
+             sender.sendMessage("Timings reset");
+         } else if ("merged".equals(args[0]) || separate) {
+ 
+            long sampleTime = System.nanoTime() - timingStart; // Spigot
+             int index = 0;
+             int pluginIdx = 0;
+             File timingFolder = new File("timings");
+@@ -92,6 +95,7 @@ public class TimingsCommand extends BukkitCommand {
+                     }
+                     fileTimings.println("    Total time " + totalTime + " (" + totalTime / 1000000000 + "s)");
+                 }
+                fileTimings.println("Sample time " + sampleTime + " (" + sampleTime / 1000000000 + "s)"); // Spigot
+                 sender.sendMessage("Timings written to " + timings.getPath());
+                 if (separate) sender.sendMessage("Names written to " + names.getPath());
+             } catch (IOException e) {
+diff --git a/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
+index d4f6bf3..4049d3a 100644
+--- a/src/main/java/org/bukkit/plugin/SimplePluginManager.java
+++ b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
+@@ -23,6 +23,7 @@ import org.bukkit.Server;
+ import org.bukkit.command.Command;
+ import org.bukkit.command.PluginCommandYamlParser;
+ import org.bukkit.command.SimpleCommandMap;
+import org.bukkit.command.defaults.TimingsCommand;
+ import org.bukkit.event.Event;
+ import org.bukkit.event.EventPriority;
+ import org.bukkit.event.HandlerList;
+@@ -274,6 +275,7 @@ public final class SimplePluginManager implements PluginManager {
+             }
+         }
+ 
+        TimingsCommand.timingStart = System.nanoTime(); // Spigot
+         return result.toArray(new Plugin[result.size()]);
+     }
+ 
+-- 
+1.8.1-rc2
+
--- a/Bukkit-Patches/0003-Add-CustomTimingsHandler-for-adding-new-CraftBukkit-.patch
+++ b/Bukkit-Patches/0003-Add-CustomTimingsHandler-for-adding-new-CraftBukkit-.patch
@ -0,0 +1,133 @@
+From 1b7af1803b6c1fdcc7f0d8574f37000bbe10923f Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Wed, 9 Jan 2013 22:18:26 -0500
+Subject: [PATCH] Add CustomTimingsHandler for adding new CraftBukkit custom
+ timings
+
+---
+ .../org/bukkit/command/defaults/ReloadCommand.java |  2 +
+ .../bukkit/command/defaults/TimingsCommand.java    |  4 ++
+ .../org/bukkit/event/CustomTimingsHandler.java     | 60 ++++++++++++++++++++++
+ 3 files changed, 66 insertions(+)
+ create mode 100644 src/main/java/org/bukkit/event/CustomTimingsHandler.java
+
+diff --git a/src/main/java/org/bukkit/command/defaults/ReloadCommand.java b/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
+index fb3c90f..fffafa5 100644
+--- a/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/ReloadCommand.java
+@@ -6,6 +6,7 @@ import org.bukkit.Bukkit;
+ import org.bukkit.ChatColor;
+ import org.bukkit.command.Command;
+ import org.bukkit.command.CommandSender;
+import org.bukkit.event.CustomTimingsHandler;
+ 
+ public class ReloadCommand extends BukkitCommand {
+     public ReloadCommand(String name) {
+@@ -20,6 +21,7 @@ public class ReloadCommand extends BukkitCommand {
+     public boolean execute(CommandSender sender, String currentAlias, String[] args) {
+         if (!testPermission(sender)) return true;
+ 
+        CustomTimingsHandler.reload(); // Spigot
+         Bukkit.reload();
+         Command.broadcastCommandMessage(sender, ChatColor.GREEN + "Reload complete.");
+ 
+diff --git a/src/main/java/org/bukkit/command/defaults/TimingsCommand.java b/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
+index 94cd62c..e0628d0 100644
+--- a/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
+++ b/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
+@@ -10,6 +10,7 @@ import org.apache.commons.lang.Validate;
+ import org.bukkit.Bukkit;
+ import org.bukkit.ChatColor;
+ import org.bukkit.command.CommandSender;
+import org.bukkit.event.CustomTimingsHandler;
+ import org.bukkit.event.Event;
+ import org.bukkit.event.HandlerList;
+ import org.bukkit.plugin.Plugin;
+@@ -51,6 +52,7 @@ public class TimingsCommand extends BukkitCommand {
+                     }
+                 }
+             }
+            CustomTimingsHandler.reload(); // Spigot
+             timingStart = System.nanoTime(); // Spigot
+             sender.sendMessage("Timings reset");
+         } else if ("merged".equals(args[0]) || separate) {
+@@ -95,8 +97,10 @@ public class TimingsCommand extends BukkitCommand {
+                     }
+                     fileTimings.println("    Total time " + totalTime + " (" + totalTime / 1000000000 + "s)");
+                 }
+                CustomTimingsHandler.printTimings(fileTimings); // Spigot
+                 fileTimings.println("Sample time " + sampleTime + " (" + sampleTime / 1000000000 + "s)"); // Spigot
+                 sender.sendMessage("Timings written to " + timings.getPath());
+                sender.sendMessage("Paste contents of file into form at http://aikar.co/timings.php to read results."); // Spigot
+                 if (separate) sender.sendMessage("Names written to " + names.getPath());
+             } catch (IOException e) {
+             } finally {
+diff --git a/src/main/java/org/bukkit/event/CustomTimingsHandler.java b/src/main/java/org/bukkit/event/CustomTimingsHandler.java
+new file mode 100644
+index 0000000..83294e3
+--- /dev/null
+++ b/src/main/java/org/bukkit/event/CustomTimingsHandler.java
+@@ -0,0 +1,60 @@
+package org.bukkit.event;
+
+
+import org.bukkit.Bukkit;
+
+import java.io.PrintStream;
+import java.util.ArrayList;
+
+/**
+ * Extends RegisteredListener to include timing information
+ */
+public class CustomTimingsHandler {
+
+    private final String name;
+    public int count = 0;
+    public long totalTime = 0;
+    long start = 0;
+
+    static public ArrayList<CustomTimingsHandler> allList = new ArrayList<>();
+    public CustomTimingsHandler(String name) {
+        this.name = name;
+        allList.add(this);
+    }
+
+    static public void printTimings(PrintStream printStream) {
+        printStream.println("Minecraft - ** indicates it's already counted by another timing");
+        for (CustomTimingsHandler t : allList) {
+            long time = t.totalTime;
+            int count = t.count;
+            if (count == 0) continue;
+            long avg = time / count;
+
+            printStream.println("    " + t.name + " Time: " + time + " Count: " + count + " Avg: " + avg);
+        }
+    }
+
+    static public void reload() {
+        if (!Bukkit.getServer().getPluginManager().useTimings()) return;
+        for (CustomTimingsHandler t : allList) {
+            t.reset();
+        }
+    }
+
+    public void startTiming() {
+        if (!Bukkit.getServer().getPluginManager().useTimings()) return;
+        start = System.nanoTime();
+    }
+
+    public void stopTiming() {
+        if (!Bukkit.getServer().getPluginManager().useTimings()) return;
+        totalTime += System.nanoTime() - start;
+        count++;
+    }
+
+    public void reset() {
+        count = 0;
+        totalTime = 0;
+    }
+}
+
+-- 
+1.8.1-rc2
+
--- a/CraftBukkit-Patches/0019-Add-Custom-Timings-to-various-points.patch
+++ b/CraftBukkit-Patches/0019-Add-Custom-Timings-to-various-points.patch
@ -0,0 +1,329 @@
+From ef52fe6ba0830854af641e8e9355fc0a16f94c73 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Thu, 10 Jan 2013 00:18:11 -0500
+Subject: [PATCH] Add Custom Timings to various points
+
+---
+ .../net/minecraft/server/ChunkProviderServer.java   |  4 ++++
+ .../java/net/minecraft/server/EntityLiving.java     | 21 +++++++++++++++++++++
+ .../java/net/minecraft/server/PlayerConnection.java |  7 +++++++
+ src/main/java/net/minecraft/server/World.java       |  9 +++++++++
+ src/main/java/net/minecraft/server/WorldServer.java |  4 ++++
+ .../java/org/bukkit/event/WorldTimingsHandler.java  | 20 ++++++++++++++++++++
+ 6 files changed, 65 insertions(+)
+ create mode 100644 src/main/java/org/bukkit/event/WorldTimingsHandler.java
+
+diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
+index c0bab0f..279ba9e 100644
+--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
+@@ -15,6 +15,7 @@ import org.bukkit.craftbukkit.chunkio.ChunkIOExecutor;
+ import org.bukkit.craftbukkit.util.LongHash;
+ import org.bukkit.craftbukkit.util.LongHashSet;
+ import org.bukkit.craftbukkit.util.LongObjectHashMap;
+import org.bukkit.event.CustomTimingsHandler;
+ import org.bukkit.event.world.ChunkUnloadEvent;
+ // CraftBukkit end
+ 
+@@ -28,6 +29,7 @@ public class ChunkProviderServer implements IChunkProvider {
+     public boolean forceChunkLoad = false; // true -> false
+     public LongObjectHashMap<Chunk> chunks = new LongObjectHashMap<Chunk>();
+     public WorldServer world;
+    static private CustomTimingsHandler syncChunkLoadTimer = new CustomTimingsHandler("syncChunkLoad"); // Spigot
+     // CraftBukkit end
+ 
+     public ChunkProviderServer(WorldServer worldserver, IChunkLoader ichunkloader, IChunkProvider ichunkprovider) {
+@@ -103,6 +105,7 @@ public class ChunkProviderServer implements IChunkProvider {
+         // CraftBukkit end
+ 
+         if (chunk == null) {
+            syncChunkLoadTimer.startTiming(); // Spigot
+             chunk = this.loadChunk(i, j);
+             if (chunk == null) {
+                 if (this.chunkProvider == null) {
+@@ -141,6 +144,7 @@ public class ChunkProviderServer implements IChunkProvider {
+             // CraftBukkit end
+ 
+             chunk.a(this, this, i, j);
+            syncChunkLoadTimer.stopTiming(); // Spigot
+         }
+ 
+         // CraftBukkit start - If we didn't need to load the chunk run the callback now
+diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
+index 7d2e633..b2481aa 100644
+--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
+@@ -8,6 +8,7 @@ import java.util.Random;
+ 
+ // CraftBukkit start
+ import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.event.CustomTimingsHandler;
+ import org.bukkit.event.entity.EntityDamageByBlockEvent;
+ import org.bukkit.event.entity.EntityDamageEvent;
+ import org.bukkit.event.entity.EntityRegainHealthEvent;
+@@ -110,6 +111,14 @@ public abstract class EntityLiving extends Entity {
+     public int expToDrop = 0;
+     public int maxAirTicks = 300;
+     public int maxHealth = this.getMaxHealth();
+    // Spigot Start
+    public static CustomTimingsHandler timerEntityBaseTick = new CustomTimingsHandler("** entityBaseTick");
+    public static CustomTimingsHandler timerEntityAI = new CustomTimingsHandler("** entityAI");
+    public static CustomTimingsHandler timerEntityAIJump = new CustomTimingsHandler("** entityAIJump");
+    public static CustomTimingsHandler timerEntityAIMove = new CustomTimingsHandler("** entityAIMove");
+    public static CustomTimingsHandler timerEntityAILoot = new CustomTimingsHandler("** entityAILoot");
+    public static CustomTimingsHandler timerEntityTickRest = new CustomTimingsHandler("** entityTickRest");
+    // Spigot End
+     // CraftBukkit end
+ 
+     public EntityLiving(World world) {
+@@ -505,6 +514,7 @@ public abstract class EntityLiving extends Entity {
+     }
+ 
+     public void j_() {
+        timerEntityBaseTick.startTiming(); // Spigot
+         super.j_();
+         if (!this.world.isStatic) {
+             int i;
+@@ -531,7 +541,9 @@ public abstract class EntityLiving extends Entity {
+             }
+         }
+ 
+        timerEntityBaseTick.stopTiming(); // Spigot
+         this.c();
+        timerEntityTickRest.startTiming(); // Spigot
+         double d0 = this.locX - this.lastX;
+         double d1 = this.locZ - this.lastZ;
+         float f = (float) (d0 * d0 + d1 * d1);
+@@ -622,6 +634,7 @@ public abstract class EntityLiving extends Entity {
+ 
+         this.world.methodProfiler.b();
+         this.aD += f2;
+        timerEntityTickRest.stopTiming(); // Spigot
+     }
+ 
+     // CraftBukkit start - delegate so we can handle providing a reason for health being regained
+@@ -1228,6 +1241,7 @@ public abstract class EntityLiving extends Entity {
+     }
+ 
+     public void c() {
+        timerEntityAI.startTiming(); // Spigot
+         if (this.bV > 0) {
+             --this.bV;
+         }
+@@ -1279,9 +1293,11 @@ public abstract class EntityLiving extends Entity {
+                 this.az = this.yaw;
+             }
+         }
+        timerEntityAI.stopTiming(); // Spigot
+ 
+         this.world.methodProfiler.b();
+         this.world.methodProfiler.a("jump");
+        timerEntityAIJump.startTiming(); // Spigot
+         if (this.bF) {
+             if (!this.H() && !this.J()) {
+                 if (this.onGround && this.bV == 0) {
+@@ -1295,8 +1311,10 @@ public abstract class EntityLiving extends Entity {
+             this.bV = 0;
+         }
+ 
+        timerEntityAIJump.stopTiming(); // Spigot
+         this.world.methodProfiler.b();
+         this.world.methodProfiler.a("travel");
+        timerEntityAIMove.startTiming(); // Spigot
+         this.bC *= 0.98F;
+         this.bD *= 0.98F;
+         this.bE *= 0.9F;
+@@ -1305,6 +1323,7 @@ public abstract class EntityLiving extends Entity {
+         this.aN *= this.bB();
+         this.e(this.bC, this.bD);
+         this.aN = f;
+        timerEntityAIMove.stopTiming(); // Spigot
+         this.world.methodProfiler.b();
+         this.world.methodProfiler.a("push");
+         if (!this.world.isStatic) {
+@@ -1313,6 +1332,7 @@ public abstract class EntityLiving extends Entity {
+ 
+         this.world.methodProfiler.b();
+         this.world.methodProfiler.a("looting");
+        timerEntityAILoot.startTiming(); // Spigot
+         // CraftBukkit - Don't run mob pickup code on players
+         if (!this.world.isStatic && !(this instanceof EntityPlayer) && this.canPickUpLoot && !this.bc && this.world.getGameRules().getBoolean("mobGriefing")) {
+             List list = this.world.a(EntityItem.class, this.boundingBox.grow(1.0D, 0.0D, 1.0D));
+@@ -1377,6 +1397,7 @@ public abstract class EntityLiving extends Entity {
+             }
+         }
+ 
+        timerEntityAILoot.stopTiming(); // Spigot
+         this.world.methodProfiler.b();
+     }
+ 
+diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
+index 80656b2..9cdadf1 100644
+--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
+@@ -25,6 +25,7 @@ import org.bukkit.craftbukkit.util.Waitable;
+ import org.bukkit.craftbukkit.entity.CraftPlayer;
+ import org.bukkit.craftbukkit.event.CraftEventFactory;
+ import org.bukkit.entity.Player;
+import org.bukkit.event.CustomTimingsHandler;
+ import org.bukkit.event.Event;
+ import org.bukkit.event.block.Action;
+ import org.bukkit.event.block.SignChangeEvent;
+@@ -67,6 +68,7 @@ public class PlayerConnection extends Connection {
+     private double q;
+     public boolean checkMovement = true; // CraftBukkit - private -> public
+     private IntHashMap s = new IntHashMap();
+    static private CustomTimingsHandler playerCommandTimer = new CustomTimingsHandler("playerCommand"); // Spigot
+ 
+     public PlayerConnection(MinecraftServer minecraftserver, INetworkManager inetworkmanager, EntityPlayer entityplayer) {
+         this.minecraftServer = minecraftserver;
+@@ -975,6 +977,7 @@ public class PlayerConnection extends Connection {
+     // CraftBukkit end
+ 
+     private void handleCommand(String s) {
+        playerCommandTimer.startTiming(); // Spigot
+         // CraftBukkit start
+         CraftPlayer player = this.getPlayer();
+ 
+@@ -982,19 +985,23 @@ public class PlayerConnection extends Connection {
+         this.server.getPluginManager().callEvent(event);
+ 
+         if (event.isCancelled()) {
+            playerCommandTimer.stopTiming(); // Spigot
+             return;
+         }
+ 
+         try {
+             if (server.logCommands) logger.info(event.getPlayer().getName() + " issued server command: " + event.getMessage()); // Spigot
+             if (this.server.dispatchCommand(event.getPlayer(), event.getMessage().substring(1))) {
+                playerCommandTimer.stopTiming(); // Spigot
+                 return;
+             }
+         } catch (org.bukkit.command.CommandException ex) {
+             player.sendMessage(org.bukkit.ChatColor.RED + "An internal error occurred while attempting to perform this command");
+             Logger.getLogger(PlayerConnection.class.getName()).log(Level.SEVERE, null, ex);
+            playerCommandTimer.stopTiming(); // Spigot
+             return;
+         }
+        playerCommandTimer.stopTiming(); // Spigot
+         // CraftBukkit end
+ 
+         /* CraftBukkit start - No longer needed as we have already handled it in server.dispatchServerCommand above.
+diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
+index e28aa00..3c6adb6 100644
+--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
+@@ -14,6 +14,7 @@ import java.util.concurrent.Callable;
+ import org.bukkit.Bukkit;
+ import org.bukkit.craftbukkit.util.LongHashSet;
+ import org.bukkit.craftbukkit.util.UnsafeList;
+import org.bukkit.event.WorldTimingsHandler;
+ import org.bukkit.generator.ChunkGenerator;
+ import org.bukkit.craftbukkit.CraftServer;
+ import org.bukkit.craftbukkit.CraftWorld;
+@@ -114,6 +115,7 @@ public abstract class World implements IBlockAccess {
+     final Object chunkLock = new Object();
+     private byte chunkTickRadius;
+ 
+    public WorldTimingsHandler timings; // Spigot
+     public CraftWorld getWorld() {
+         return this.world;
+     }
+@@ -193,6 +195,7 @@ public abstract class World implements IBlockAccess {
+         this.a();
+ 
+         this.getServer().addWorld(this.world); // CraftBukkit
+        timings = new WorldTimingsHandler(this); // Spigot
+     }
+ 
+     protected abstract IChunkProvider j();
+@@ -1207,6 +1210,7 @@ public abstract class World implements IBlockAccess {
+         CrashReport crashreport;
+         CrashReportSystemDetails crashreportsystemdetails;
+ 
+        timings.entityBaseTick.startTiming(); // Spigot
+         for (i = 0; i < this.i.size(); ++i) {
+             entity = (Entity) this.i.get(i);
+             // CraftBukkit start - fixed an NPE, don't process entities in chunks queued for unload
+@@ -1261,7 +1265,9 @@ public abstract class World implements IBlockAccess {
+ 
+         this.f.clear();
+         this.methodProfiler.c("regular");
+        timings.entityBaseTick.stopTiming(); // Spigot
+ 
+        timings.entityTick.startTiming(); // Spigot
+         for (i = 0; i < this.entityList.size(); ++i) {
+             entity = (Entity) this.entityList.get(i);
+ 
+@@ -1314,7 +1320,9 @@ public abstract class World implements IBlockAccess {
+             this.methodProfiler.b();
+         }
+ 
+        timings.entityTick.stopTiming(); // Spigot
+         this.methodProfiler.c("tileEntities");
+        timings.tileEntityTick.startTiming(); // Spigot
+         this.M = true;
+         Iterator iterator = this.tileEntityList.iterator();
+ 
+@@ -1393,6 +1401,7 @@ public abstract class World implements IBlockAccess {
+             this.a.clear();
+         }
+ 
+        timings.tileEntityTick.stopTiming(); // Spigot
+         this.methodProfiler.b();
+         this.methodProfiler.b();
+     }
+diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
+index 6e5434b..fdb3fc7 100644
+--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
+@@ -157,9 +157,12 @@ public class WorldServer extends World implements org.bukkit.BlockChangeDelegate
+         // CraftBukkit start - Only call spawner if we have players online and the world allows for mobs or animals
+         long time = this.worldData.getTime();
+         if (this.getGameRules().getBoolean("doMobSpawning") && (this.allowMonsters || this.allowAnimals) && (this instanceof WorldServer && this.players.size() > 0)) {
+            timings.mobSpawn.startTiming(); // Spigot
+             SpawnerCreature.spawnEntities(this, this.allowMonsters && (this.ticksPerMonsterSpawns != 0 && time % this.ticksPerMonsterSpawns == 0L), this.allowAnimals && (this.ticksPerAnimalSpawns != 0 && time % this.ticksPerAnimalSpawns == 0L), this.worldData.getTime() % 400L == 0L);
+            timings.mobSpawn.stopTiming(); // Spigot
+         }
+         // CraftBukkit end
+        timings.doTickRest.startTiming(); // Spigot
+         this.getWorld().processChunkGC();   // Spigot
+         this.methodProfiler.c("chunkSource");
+         this.chunkProvider.unloadChunks();
+@@ -187,6 +190,7 @@ public class WorldServer extends World implements org.bukkit.BlockChangeDelegate
+         this.V();
+ 
+         this.getWorld().processChunkGC(); // CraftBukkit
+        timings.doTickRest.stopTiming(); // Spigot
+     }
+ 
+     public BiomeMeta a(EnumCreatureType enumcreaturetype, int i, int j, int k) {
+diff --git a/src/main/java/org/bukkit/event/WorldTimingsHandler.java b/src/main/java/org/bukkit/event/WorldTimingsHandler.java
+new file mode 100644
+index 0000000..bb0c191
+--- /dev/null
+++ b/src/main/java/org/bukkit/event/WorldTimingsHandler.java
+@@ -0,0 +1,20 @@
+package org.bukkit.event;
+
+import net.minecraft.server.World;
+
+public class WorldTimingsHandler {
+    public CustomTimingsHandler mobSpawn;
+    public CustomTimingsHandler doTickRest;
+    public CustomTimingsHandler entityBaseTick;
+    public CustomTimingsHandler entityTick;
+    public CustomTimingsHandler tileEntityTick;
+    public WorldTimingsHandler(World server) {
+        String name = server.worldData.getName() +" - ";
+
+        mobSpawn       = new CustomTimingsHandler(name + "mobSpawn");
+        doTickRest     = new CustomTimingsHandler(name + "doTickRest");
+        entityBaseTick = new CustomTimingsHandler(name + "entityBaseTick");
+        entityTick     = new CustomTimingsHandler(name + "entityTick");
+        tileEntityTick = new CustomTimingsHandler(name + "tileEntityTick");
+    }
+}
+-- 
+1.8.1-rc2
+