From 888251d4f4f7b25f5f57debd226ef53f21c06627 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 10 Jan 2013 00:18:11 -0500
Subject: [PATCH] Spigot Timings

Overhauls the Timings System adding performance tracking all around the Minecraft Server

diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index ba0dcbaed..410601d5f 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -123,11 +123,13 @@ public class ChunkProviderServer implements IChunkProvider {
             return chunk;
         } else {
             try {
+                world.timings.syncChunkLoadTimer.startTiming(); // Spigot
                 chunk = (Chunk) this.generateChunk(i, j).get();
                 return chunk;
             } catch (ExecutionException | InterruptedException interruptedexception) {
                 throw this.a(i, j, (Throwable) interruptedexception);
             }
+            finally { world.timings.syncChunkLoadTimer.stopTiming(); } // Spigot
         }
     }
 
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index 0989ebd88..6a99c9928 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -120,7 +120,9 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
     // CraftBukkit start - Add async variant, provide compatibility
     @Nullable
     public synchronized Chunk a(GeneratorAccess generatoraccess, int i, int j, Consumer<Chunk> consumer) throws IOException {
+        generatoraccess.getMinecraftWorld().timings.syncChunkLoadDataTimer.startTiming(); // Spigot
         Object[] data = loadChunk(generatoraccess, i, j, consumer);
+        generatoraccess.getMinecraftWorld().timings.syncChunkLoadDataTimer.stopTiming(); // Spigot
         if (data != null) {
             Chunk chunk = (Chunk) data[0];
             NBTTagCompound nbttagcompound = (NBTTagCompound) data[1];
@@ -653,6 +655,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
     public void loadEntities(NBTTagCompound nbttagcompound, Chunk chunk) {
         NBTTagList nbttaglist = nbttagcompound.getList("Entities", 10);
         World world = chunk.getWorld();
+        world.timings.syncChunkLoadEntitiesTimer.startTiming(); // Spigot
 
         for (int i = 0; i < nbttaglist.size(); ++i) {
             NBTTagCompound nbttagcompound1 = nbttaglist.getCompound(i);
@@ -661,6 +664,8 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
             chunk.f(true);
         }
 
+        world.timings.syncChunkLoadEntitiesTimer.stopTiming(); // Spigot
+        world.timings.syncChunkLoadTileEntitiesTimer.startTiming(); // Spigot
         NBTTagList nbttaglist1 = nbttagcompound.getList("TileEntities", 10);
 
         for (int j = 0; j < nbttaglist1.size(); ++j) {
@@ -677,6 +682,8 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
                 }
             }
         }
+        world.timings.syncChunkLoadTileEntitiesTimer.stopTiming(); // Spigot
+        world.timings.syncChunkLoadTileTicksTimer.startTiming(); // Spigot
 
         if (nbttagcompound.hasKeyOfType("TileTicks", 9) && world.I() instanceof TickListServer) {
             ((TickListServer) world.I()).a(nbttagcompound.getList("TileTicks", 10));
@@ -685,6 +692,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
         if (nbttagcompound.hasKeyOfType("LiquidTicks", 9) && world.H() instanceof TickListServer) {
             ((TickListServer) world.H()).a(nbttagcompound.getList("LiquidTicks", 10));
         }
+        world.timings.syncChunkLoadTileTicksTimer.stopTiming(); // Spigot
 
     }
 
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index b8a4b0bdd..dbd74d384 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -29,6 +29,7 @@ import org.apache.logging.log4j.Level;
 
 import org.bukkit.command.CommandSender;
 import org.bukkit.craftbukkit.LoggerOutputStream;
+import org.bukkit.craftbukkit.SpigotTimings; // Spigot
 import org.bukkit.event.server.ServerCommandEvent;
 import org.bukkit.craftbukkit.util.Waitable;
 import org.bukkit.event.server.RemoteServerCommandEvent;
@@ -409,6 +410,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
     }
 
     public void aW() {
+        SpigotTimings.serverCommandTimer.startTiming(); // Spigot
         while (!this.serverCommandQueue.isEmpty()) {
             ServerCommand servercommand = (ServerCommand) this.serverCommandQueue.remove(0);
 
@@ -423,6 +425,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
             // CraftBukkit end
         }
 
+        SpigotTimings.serverCommandTimer.stopTiming(); // Spigot
     }
 
     public boolean S() {
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 98becf844..d0cc0e103 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -29,6 +29,7 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Hanging;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Vehicle;
+import org.spigotmc.CustomTimingsHandler; // Spigot
 import org.bukkit.event.entity.EntityCombustByEntityEvent;
 import org.bukkit.event.hanging.HangingBreakByEntityEvent;
 import org.bukkit.event.vehicle.VehicleBlockCollisionEvent;
@@ -159,6 +160,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener {
     public boolean valid;
     public org.bukkit.projectiles.ProjectileSource projectileSource; // For projectiles only
     public boolean forceExplosionKnockback; // SPIGOT-949
+    public CustomTimingsHandler tickTimer = org.bukkit.craftbukkit.SpigotTimings.getEntityTimings(this); // Spigot
 
     public float getBukkitYaw() {
         return this.yaw;
@@ -527,6 +529,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener {
     }
 
     public void move(EnumMoveType enummovetype, double d0, double d1, double d2) {
+        org.bukkit.craftbukkit.SpigotTimings.entityMoveTimer.startTiming(); // Spigot
         if (this.noclip) {
             this.a(this.getBoundingBox().d(d0, d1, d2));
             this.recalcPosition();
@@ -875,6 +878,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener {
 
             this.world.methodProfiler.e();
         }
+        org.bukkit.craftbukkit.SpigotTimings.entityMoveTimer.stopTiming(); // Spigot
     }
 
     protected float ab() {
diff --git a/src/main/java/net/minecraft/server/EntityLiving.java b/src/main/java/net/minecraft/server/EntityLiving.java
index caccb1a15..6f8572573 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -32,6 +32,8 @@ import org.bukkit.event.entity.EntityTeleportEvent;
 import org.bukkit.event.player.PlayerItemConsumeEvent;
 // CraftBukkit end
 
+import org.bukkit.craftbukkit.SpigotTimings; // Spigot
+
 public abstract class EntityLiving extends Entity {
 
     private static final Logger a = LogManager.getLogger();
@@ -1975,6 +1977,7 @@ public abstract class EntityLiving extends Entity {
     }
 
     public void tick() {
+        SpigotTimings.timerEntityBaseTick.startTiming(); // Spigot
         super.tick();
         this.cV();
         this.o();
@@ -2048,7 +2051,9 @@ public abstract class EntityLiving extends Entity {
             }
         }
 
+        SpigotTimings.timerEntityBaseTick.stopTiming(); // Spigot
         this.k();
+        SpigotTimings.timerEntityTickRest.startTiming(); // Spigot
         double d0 = this.locX - this.lastX;
         double d1 = this.locZ - this.lastZ;
         float f = (float) (d0 * d0 + d1 * d1);
@@ -2125,6 +2130,7 @@ public abstract class EntityLiving extends Entity {
             this.bv = 0;
         }
 
+        SpigotTimings.timerEntityTickRest.stopTiming(); // Spigot
     }
 
     protected float e(float f, float f1) {
@@ -2194,6 +2200,7 @@ public abstract class EntityLiving extends Entity {
         }
 
         this.world.methodProfiler.a("ai");
+        SpigotTimings.timerEntityAI.startTiming(); // Spigot
         if (this.isFrozen()) {
             this.bg = false;
             this.bh = 0.0F;
@@ -2204,6 +2211,7 @@ public abstract class EntityLiving extends Entity {
             this.doTick();
             this.world.methodProfiler.e();
         }
+        SpigotTimings.timerEntityAI.stopTiming(); // Spigot
 
         this.world.methodProfiler.e();
         this.world.methodProfiler.a("jump");
@@ -2228,7 +2236,9 @@ public abstract class EntityLiving extends Entity {
         this.n();
         AxisAlignedBB axisalignedbb = this.getBoundingBox();
 
+        SpigotTimings.timerEntityAIMove.startTiming(); // Spigot
         this.a(this.bh, this.bi, this.bj);
+        SpigotTimings.timerEntityAIMove.stopTiming(); // Spigot
         this.world.methodProfiler.e();
         this.world.methodProfiler.a("push");
         if (this.bw > 0) {
@@ -2236,7 +2246,9 @@ public abstract class EntityLiving extends Entity {
             this.a(axisalignedbb, this.getBoundingBox());
         }
 
+        SpigotTimings.timerEntityAICollision.startTiming(); // Spigot
         this.cN();
+        SpigotTimings.timerEntityAICollision.stopTiming(); // Spigot
         this.world.methodProfiler.e();
     }
 
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index c5aea8199..6510a5b15 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -62,6 +62,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.Main;
 // CraftBukkit end
+import org.bukkit.craftbukkit.SpigotTimings; // Spigot
 
 public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStatistics, ICommandListener, Runnable {
 
@@ -768,6 +769,7 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
     public void u() {}
 
     protected void v() {
+        SpigotTimings.serverTickTimer.startTiming(); // Spigot
         long i = SystemUtils.c();
 
         ++this.ticks;
@@ -793,10 +795,12 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         }
 
         if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit
+            SpigotTimings.worldSaveTimer.startTiming(); // Spigot
             this.methodProfiler.a("save");
             this.s.savePlayers();
             this.saveChunks(true);
             this.methodProfiler.e();
+            SpigotTimings.worldSaveTimer.stopTiming(); // Spigot
         }
 
         this.methodProfiler.a("snooper");
@@ -815,10 +819,14 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         this.ap = this.ap * 0.8F + (float) l / 1000000.0F * 0.19999999F;
         this.methodProfiler.e();
         this.methodProfiler.e();
+        SpigotTimings.serverTickTimer.stopTiming(); // Spigot
+        org.spigotmc.CustomTimingsHandler.tick(); // Spigot
     }
 
     public void w() {
+        SpigotTimings.schedulerTimer.startTiming(); // Spigot
         this.server.getScheduler().mainThreadHeartbeat(this.ticks); // CraftBukkit
+        SpigotTimings.schedulerTimer.stopTiming(); // Spigot
         this.methodProfiler.a("jobs");
 
         FutureTask futuretask;
@@ -828,17 +836,24 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         }
 
         this.methodProfiler.c("commandFunctions");
+        SpigotTimings.commandFunctionsTimer.startTiming(); // Spigot
         this.getFunctionData().Y_();
+        SpigotTimings.commandFunctionsTimer.stopTiming(); // Spigot
         this.methodProfiler.c("levels");
 
         // CraftBukkit start
         // Run tasks that are waiting on processing
+        SpigotTimings.processQueueTimer.startTiming(); // Spigot
         while (!processQueue.isEmpty()) {
             processQueue.remove().run();
         }
+        SpigotTimings.processQueueTimer.stopTiming(); // Spigot
 
+        SpigotTimings.chunkIOTickTimer.startTiming(); // Spigot
         org.bukkit.craftbukkit.chunkio.ChunkIOExecutor.tick();
+        SpigotTimings.chunkIOTickTimer.stopTiming(); // Spigot
 
+        SpigotTimings.timeUpdateTimer.startTiming(); // Spigot
         // Send time updates to everyone, it will get the right time from the world the player is in.
         if (this.ticks % 20 == 0) {
             for (int i = 0; i < this.getPlayerList().players.size(); ++i) {
@@ -846,6 +861,7 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
                 entityplayer.playerConnection.sendPacket(new PacketPlayOutUpdateTime(entityplayer.world.getTime(), entityplayer.getPlayerTime(), entityplayer.world.getGameRules().getBoolean("doDaylightCycle"))); // Add support for per player time
             }
         }
+        SpigotTimings.timeUpdateTimer.stopTiming(); // Spigot
 
         int i;
 
@@ -871,7 +887,9 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
                 CrashReport crashreport;
 
                 try {
+                    worldserver.timings.doTick.startTiming(); // Spigot
                     worldserver.doTick();
+                    worldserver.timings.doTick.stopTiming(); // Spigot
                 } catch (Throwable throwable) {
                     crashreport = CrashReport.a(throwable, "Exception ticking world");
                     worldserver.a(crashreport);
@@ -879,7 +897,9 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
                 }
 
                 try {
+                    worldserver.timings.tickEntities.startTiming(); // Spigot
                     worldserver.tickEntities();
+                    worldserver.timings.tickEntities.stopTiming(); // Spigot
                 } catch (Throwable throwable1) {
                     crashreport = CrashReport.a(throwable1, "Exception ticking world entities");
                     worldserver.a(crashreport);
@@ -888,7 +908,9 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
 
                 this.methodProfiler.e();
                 this.methodProfiler.a("tracker");
+                worldserver.timings.tracker.startTiming(); // Spigot
                 worldserver.getTracker().updatePlayers();
+                worldserver.timings.tracker.stopTiming(); // Spigot
                 this.methodProfiler.e();
                 this.methodProfiler.e();
             }
@@ -897,14 +919,20 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         }
 
         this.methodProfiler.c("connection");
+        SpigotTimings.connectionTimer.startTiming(); // Spigot
         this.getServerConnection().c();
+        SpigotTimings.connectionTimer.stopTiming(); // Spigot
         this.methodProfiler.c("players");
+        SpigotTimings.playerListTimer.startTiming(); // Spigot
         this.s.tick();
+        SpigotTimings.playerListTimer.stopTiming(); // Spigot
         this.methodProfiler.c("tickables");
 
+        SpigotTimings.tickablesTimer.startTiming(); // Spigot
         for (i = 0; i < this.l.size(); ++i) {
             ((ITickable) this.l.get(i)).Y_();
         }
+        SpigotTimings.tickablesTimer.stopTiming(); // Spigot
 
         this.methodProfiler.e();
     }
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index e39d5f0a7..6ca2f9e8d 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -1559,6 +1559,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
     // CraftBukkit end
 
     private void handleCommand(String s) {
+        org.bukkit.craftbukkit.SpigotTimings.playerCommandTimer.startTiming(); // Spigot
         // CraftBukkit start - whole method
         this.LOGGER.info(this.player.getName() + " issued server command: " + s);
 
@@ -1568,6 +1569,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
         this.server.getPluginManager().callEvent(event);
 
         if (event.isCancelled()) {
+            org.bukkit.craftbukkit.SpigotTimings.playerCommandTimer.stopTiming(); // Spigot
             return;
         }
 
@@ -1579,6 +1581,8 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
             player.sendMessage(org.bukkit.ChatColor.RED + "An internal error occurred while attempting to perform this command");
             java.util.logging.Logger.getLogger(PlayerConnection.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
             return;
+        } finally {
+            org.bukkit.craftbukkit.SpigotTimings.playerCommandTimer.stopTiming(); // Spigot
         }
         // this.minecraftServer.getCommandDispatcher().a(this.player.getCommandListener(), s);
         // CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
index cde437933..331029284 100644
--- a/src/main/java/net/minecraft/server/TileEntity.java
+++ b/src/main/java/net/minecraft/server/TileEntity.java
@@ -4,10 +4,12 @@ import javax.annotation.Nullable;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+import org.spigotmc.CustomTimingsHandler; // Spigot
 import org.bukkit.inventory.InventoryHolder; // CraftBukkit
 
 public abstract class TileEntity {
 
+    public CustomTimingsHandler tickTimer = org.bukkit.craftbukkit.SpigotTimings.getTileEntityTimings(this); // Spigot
     private static final Logger a = LogManager.getLogger();
     private final TileEntityTypes<?> e;
     protected World world;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 8c80aab59..cceab7750 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -20,6 +20,7 @@ import com.google.common.collect.Maps;
 import java.util.Map;
 import org.bukkit.Bukkit;
 import org.bukkit.block.BlockState;
+import org.bukkit.craftbukkit.SpigotTimings; // Spigot
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.CraftWorld;
 import org.bukkit.craftbukkit.block.CraftBlockState;
@@ -101,6 +102,8 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
     private int tickPosition;
     public final org.spigotmc.SpigotWorldConfig spigotConfig; // Spigot
 
+    public final SpigotTimings.WorldTimingsHandler timings; // Spigot
+
     public CraftWorld getWorld() {
         return this.world;
     }
@@ -160,6 +163,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
         });
         this.getServer().addWorld(this.world);
         // CraftBukkit end
+        timings = new SpigotTimings.WorldTimingsHandler(this); // Spigot - code below can generate new world and access timings
     }
 
     public GeneratorAccess b() {
@@ -1072,6 +1076,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
         CrashReportSystemDetails crashreportsystemdetails1;
         CrashReport crashreport1;
 
+        timings.entityTick.startTiming(); // Spigot
         // CraftBukkit start - Use field for loop variable
         for (this.tickPosition = 0; this.tickPosition < this.entityList.size(); ++this.tickPosition) {
             entity = (Entity) this.entityList.get(this.tickPosition);
@@ -1089,7 +1094,9 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
             this.methodProfiler.a("tick");
             if (!entity.dead && !(entity instanceof EntityPlayer)) {
                 try {
+                    SpigotTimings.tickEntityTimer.startTiming(); // Spigot
                     this.g(entity);
+                    SpigotTimings.tickEntityTimer.stopTiming(); // Spigot
                 } catch (Throwable throwable1) {
                     crashreport1 = CrashReport.a(throwable1, "Ticking entity");
                     crashreportsystemdetails1 = crashreport1.a("Entity being ticked");
@@ -1115,7 +1122,9 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
             this.methodProfiler.e();
         }
 
+        timings.entityTick.stopTiming(); // Spigot
         this.methodProfiler.c("blockEntities");
+        timings.tileEntityTick.startTiming(); // Spigot
         if (!this.tileEntityListUnload.isEmpty()) {
             this.tileEntityListTick.removeAll(this.tileEntityListUnload);
             this.tileEntityList.removeAll(this.tileEntityListUnload);
@@ -1136,6 +1145,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
                         this.methodProfiler.a(() -> {
                             return String.valueOf(TileEntityTypes.a(tileentity.C()));
                         });
+                        tileentity.tickTimer.startTiming(); // Spigot
                         ((ITickable) tileentity).Y_();
                         this.methodProfiler.e();
                     } catch (Throwable throwable2) {
@@ -1144,6 +1154,11 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
                         tileentity.a(crashreportsystemdetails1);
                         throw new ReportedException(crashreport1);
                     }
+                    // Spigot start
+                    finally {
+                        tileentity.tickTimer.stopTiming();
+                    }
+                    // Spigot end
                 }
             }
 
@@ -1156,6 +1171,8 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
             }
         }
 
+        timings.tileEntityTick.stopTiming(); // Spigot
+        timings.tileEntityPending.startTiming(); // Spigot
         this.J = false;
         this.methodProfiler.c("pendingBlockEntities");
         if (!this.c.isEmpty()) {
@@ -1188,6 +1205,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
             this.c.clear();
         }
 
+        timings.tileEntityPending.stopTiming(); // Spigot
         this.methodProfiler.e();
         this.methodProfiler.e();
     }
@@ -1242,6 +1260,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
         }
         // CraftBukkit end
 
+        entity.tickTimer.startTiming(); // Spigot
         entity.N = entity.locX;
         entity.O = entity.locY;
         entity.P = entity.locZ;
@@ -1312,6 +1331,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
                 }
             }
         }
+        entity.tickTimer.stopTiming(); // Spigot
 
     }
 
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index a9a257b95..4d5bede24 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -274,11 +274,14 @@ public class WorldServer extends World implements IAsyncTaskHandler {
         // 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.worldData.getType() != WorldType.DEBUG_ALL_BLOCK_STATES && (this.allowMonsters || this.allowAnimals) && (this instanceof WorldServer && this.players.size() > 0)) {
+            timings.mobSpawn.startTiming(); // Spigot
             this.spawnerCreature.a(this, this.allowMonsters && (this.ticksPerMonsterSpawns != 0 && time % this.ticksPerMonsterSpawns == 0L), this.allowAnimals && (this.ticksPerAnimalSpawns != 0 && time % this.ticksPerAnimalSpawns == 0L), this.worldData.getTime() % 400L == 0L);
             this.getChunkProviderServer().a(this, this.allowMonsters && (this.ticksPerMonsterSpawns != 0 && time % this.ticksPerMonsterSpawns == 0L), this.allowAnimals && (this.ticksPerAnimalSpawns != 0 && time % this.ticksPerAnimalSpawns == 0L));
+            timings.mobSpawn.stopTiming(); // Spigot
             // CraftBukkit end
         }
 
+        timings.doChunkUnload.startTiming(); // Spigot
         this.methodProfiler.c("chunkSource");
         this.chunkProvider.unloadChunks();
         int j = this.a(1.0F);
@@ -292,22 +295,37 @@ public class WorldServer extends World implements IAsyncTaskHandler {
             this.worldData.setDayTime(this.worldData.getDayTime() + 1L);
         }
 
+        timings.doChunkUnload.stopTiming(); // Spigot
         this.methodProfiler.c("tickPending");
+        timings.doTickPending.startTiming(); // Spigot
         this.p();
+        timings.doTickPending.stopTiming(); // Spigot
         this.methodProfiler.c("tickBlocks");
+        timings.doTickTiles.startTiming(); // Spigot
         this.l();
+        timings.doTickTiles.stopTiming(); // Spigot
         this.methodProfiler.c("chunkMap");
+        timings.doChunkMap.startTiming(); // Spigot
         this.manager.flush();
+        timings.doChunkMap.stopTiming(); // Spigot
         this.methodProfiler.c("village");
+        timings.doVillages.startTiming(); // Spigot
         this.villages.tick();
         this.siegeManager.a();
+        timings.doVillages.stopTiming(); // Spigot
         this.methodProfiler.c("portalForcer");
+        timings.doPortalForcer.startTiming(); // Spigot
         this.portalTravelAgent.a(this.getTime());
+        timings.doPortalForcer.stopTiming(); // Spigot
         this.methodProfiler.e();
+        timings.doSounds.startTiming(); // Spigot
         this.am();
+        timings.doSounds.stopTiming(); // Spigot
         this.Q = false;
 
+        timings.doChunkGC.startTiming();// Spigot
         this.getWorld().processChunkGC(); // CraftBukkit
+        timings.doChunkGC.stopTiming(); // Spigot
     }
 
     public boolean j_() {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index ee4abc4dc..d44984268 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1786,6 +1786,11 @@ public final class CraftServer implements Server {
     private final Spigot spigot = new Spigot()
     {
 
+        @Override
+        public YamlConfiguration getConfig()
+        {
+            return org.spigotmc.SpigotConfig.config;
+        }
     };
 
     public Spigot spigot()
diff --git a/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java b/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
new file mode 100644
index 000000000..fa88be0db
--- /dev/null
+++ b/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
@@ -0,0 +1,171 @@
+package org.bukkit.craftbukkit;
+
+import com.google.common.collect.Maps;
+import net.minecraft.server.*;
+import org.bukkit.plugin.java.JavaPluginLoader;
+import org.spigotmc.CustomTimingsHandler;
+import org.bukkit.scheduler.BukkitTask;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.bukkit.craftbukkit.scheduler.CraftTask;
+
+public class SpigotTimings {
+
+    public static final CustomTimingsHandler serverTickTimer = new CustomTimingsHandler("** Full Server Tick");
+    public static final CustomTimingsHandler playerListTimer = new CustomTimingsHandler("Player List");
+    public static final CustomTimingsHandler commandFunctionsTimer = new CustomTimingsHandler("Command Functions");
+    public static final CustomTimingsHandler connectionTimer = new CustomTimingsHandler("Connection Handler");
+    public static final CustomTimingsHandler tickablesTimer = new CustomTimingsHandler("Tickables");
+    public static final CustomTimingsHandler schedulerTimer = new CustomTimingsHandler("Scheduler");
+    public static final CustomTimingsHandler chunkIOTickTimer = new CustomTimingsHandler("ChunkIOTick");
+    public static final CustomTimingsHandler timeUpdateTimer = new CustomTimingsHandler("Time Update");
+    public static final CustomTimingsHandler serverCommandTimer = new CustomTimingsHandler("Server Command");
+    public static final CustomTimingsHandler worldSaveTimer = new CustomTimingsHandler("World Save");
+
+    public static final CustomTimingsHandler entityMoveTimer = new CustomTimingsHandler("** entityMove");
+    public static final CustomTimingsHandler tickEntityTimer = new CustomTimingsHandler("** tickEntity");
+    public static final CustomTimingsHandler activatedEntityTimer = new CustomTimingsHandler("** activatedTickEntity");
+    public static final CustomTimingsHandler tickTileEntityTimer = new CustomTimingsHandler("** tickTileEntity");
+
+    public static final CustomTimingsHandler timerEntityBaseTick = new CustomTimingsHandler("** livingEntityBaseTick");
+    public static final CustomTimingsHandler timerEntityAI = new CustomTimingsHandler("** livingEntityAI");
+    public static final CustomTimingsHandler timerEntityAICollision = new CustomTimingsHandler("** livingEntityAICollision");
+    public static final CustomTimingsHandler timerEntityAIMove = new CustomTimingsHandler("** livingEntityAIMove");
+    public static final CustomTimingsHandler timerEntityTickRest = new CustomTimingsHandler("** livingEntityTickRest");
+
+    public static final CustomTimingsHandler processQueueTimer = new CustomTimingsHandler("processQueue");
+    public static final CustomTimingsHandler schedulerSyncTimer = new CustomTimingsHandler("** Scheduler - Sync Tasks", JavaPluginLoader.pluginParentTimer);
+
+    public static final CustomTimingsHandler playerCommandTimer = new CustomTimingsHandler("** playerCommand");
+
+    public static final HashMap<String, CustomTimingsHandler> entityTypeTimingMap = new HashMap<String, CustomTimingsHandler>();
+    public static final HashMap<String, CustomTimingsHandler> tileEntityTypeTimingMap = new HashMap<String, CustomTimingsHandler>();
+    public static final HashMap<String, CustomTimingsHandler> pluginTaskTimingMap = new HashMap<String, CustomTimingsHandler>();
+
+    /**
+     * Gets a timer associated with a plugins tasks.
+     * @param task
+     * @param period
+     * @return
+     */
+    public static CustomTimingsHandler getPluginTaskTimings(BukkitTask task, long period) {
+        if (!task.isSync()) {
+            return null;
+        }
+        String plugin;
+        final CraftTask ctask = (CraftTask) task;
+
+        if (task.getOwner() != null) {
+            plugin = task.getOwner().getDescription().getFullName();
+        } else if (ctask.timingName != null) {
+            plugin = "CraftScheduler";
+        } else {
+            plugin = "Unknown";
+        }
+        String taskname = ctask.getTaskName();
+
+        String name = "Task: " + plugin + " Runnable: " + taskname;
+        if (period > 0) {
+            name += "(interval:" + period +")";
+        } else {
+            name += "(Single)";
+        }
+        CustomTimingsHandler result = pluginTaskTimingMap.get(name);
+        if (result == null) {
+            result = new CustomTimingsHandler(name, SpigotTimings.schedulerSyncTimer);
+            pluginTaskTimingMap.put(name, result);
+        }
+        return result;
+    }
+
+    /**
+     * Get a named timer for the specified entity type to track type specific timings.
+     * @param entity
+     * @return
+     */
+    public static CustomTimingsHandler getEntityTimings(Entity entity) {
+        String entityType = entity.getClass().getName();
+        CustomTimingsHandler result = entityTypeTimingMap.get(entityType);
+        if (result == null) {
+            result = new CustomTimingsHandler("** tickEntity - " + entity.getClass().getSimpleName(), activatedEntityTimer);
+            entityTypeTimingMap.put(entityType, result);
+        }
+        return result;
+    }
+
+    /**
+     * Get a named timer for the specified tile entity type to track type specific timings.
+     * @param entity
+     * @return
+     */
+    public static CustomTimingsHandler getTileEntityTimings(TileEntity entity) {
+        String entityType = entity.getClass().getName();
+        CustomTimingsHandler result = tileEntityTypeTimingMap.get(entityType);
+        if (result == null) {
+            result = new CustomTimingsHandler("** tickTileEntity - " + entity.getClass().getSimpleName(), tickTileEntityTimer);
+            tileEntityTypeTimingMap.put(entityType, result);
+        }
+        return result;
+    }
+
+    /**
+     * Set of timers per world, to track world specific timings.
+     */
+    public static class WorldTimingsHandler {
+        public final CustomTimingsHandler mobSpawn;
+        public final CustomTimingsHandler doChunkUnload;
+        public final CustomTimingsHandler doPortalForcer;
+        public final CustomTimingsHandler doTickPending;
+        public final CustomTimingsHandler doTickTiles;
+        public final CustomTimingsHandler doVillages;
+        public final CustomTimingsHandler doChunkMap;
+        public final CustomTimingsHandler doChunkGC;
+        public final CustomTimingsHandler doSounds;
+        public final CustomTimingsHandler entityTick;
+        public final CustomTimingsHandler tileEntityTick;
+        public final CustomTimingsHandler tileEntityPending;
+        public final CustomTimingsHandler tracker;
+        public final CustomTimingsHandler doTick;
+        public final CustomTimingsHandler tickEntities;
+
+        public final CustomTimingsHandler syncChunkLoadTimer;
+        public final CustomTimingsHandler syncChunkLoadDataTimer;
+        public final CustomTimingsHandler syncChunkLoadStructuresTimer;
+        public final CustomTimingsHandler syncChunkLoadEntitiesTimer;
+        public final CustomTimingsHandler syncChunkLoadTileEntitiesTimer;
+        public final CustomTimingsHandler syncChunkLoadTileTicksTimer;
+        public final CustomTimingsHandler syncChunkLoadPostTimer;
+
+        public WorldTimingsHandler(World server) {
+            String name = server.worldData.getName() +" - ";
+
+            mobSpawn = new CustomTimingsHandler("** " + name + "mobSpawn");
+            doChunkUnload = new CustomTimingsHandler("** " + name + "doChunkUnload");
+            doTickPending = new CustomTimingsHandler("** " + name + "doTickPending");
+            doTickTiles = new CustomTimingsHandler("** " + name + "doTickTiles");
+            doVillages = new CustomTimingsHandler("** " + name + "doVillages");
+            doChunkMap = new CustomTimingsHandler("** " + name + "doChunkMap");
+            doSounds = new CustomTimingsHandler("** " + name + "doSounds");
+            doChunkGC = new CustomTimingsHandler("** " + name + "doChunkGC");
+            doPortalForcer = new CustomTimingsHandler("** " + name + "doPortalForcer");
+            entityTick = new CustomTimingsHandler("** " + name + "entityTick");
+            tileEntityTick = new CustomTimingsHandler("** " + name + "tileEntityTick");
+            tileEntityPending = new CustomTimingsHandler("** " + name + "tileEntityPending");
+
+            syncChunkLoadTimer = new CustomTimingsHandler("** " + name + "syncChunkLoad");
+            syncChunkLoadDataTimer = new CustomTimingsHandler("** " + name + "syncChunkLoad - Data");
+            syncChunkLoadStructuresTimer = new CustomTimingsHandler("** " + name + "chunkLoad - Structures");
+            syncChunkLoadEntitiesTimer = new CustomTimingsHandler("** " + name + "chunkLoad - Entities");
+            syncChunkLoadTileEntitiesTimer = new CustomTimingsHandler("** " + name + "chunkLoad - TileEntities");
+            syncChunkLoadTileTicksTimer = new CustomTimingsHandler("** " + name + "chunkLoad - TileTicks");
+            syncChunkLoadPostTimer = new CustomTimingsHandler("** " + name + "chunkLoad - Post");
+
+
+            tracker = new CustomTimingsHandler(name + "tracker");
+            doTick = new CustomTimingsHandler(name + "doTick");
+            tickEntities = new CustomTimingsHandler(name + "tickEntities");
+        }
+    }
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
index 7b4dab914..24ebc91da 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -357,7 +357,9 @@ public class CraftScheduler implements BukkitScheduler {
             if (task.isSync()) {
                 currentTask = task;
                 try {
+                    task.timings.startTiming(); // Spigot
                     task.run();
+                    task.timings.stopTiming(); // Spigot
                 } catch (final Throwable throwable) {
                     task.getOwner().getLogger().log(
                             Level.WARNING,
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
index a3ec23017..7e7ce9a81 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
@@ -1,11 +1,13 @@
 package org.bukkit.craftbukkit.scheduler;
 
 import org.bukkit.Bukkit;
+import org.bukkit.craftbukkit.SpigotTimings; // Spigot
+import org.spigotmc.CustomTimingsHandler; // Spigot
 import org.bukkit.plugin.Plugin;
 import org.bukkit.scheduler.BukkitTask;
 
 
-class CraftTask implements BukkitTask, Runnable {
+public class CraftTask implements BukkitTask, Runnable { // Spigot
 
     private volatile CraftTask next = null;
     public static final int ERROR = 0;
@@ -27,6 +29,7 @@ class CraftTask implements BukkitTask, Runnable {
     private final Plugin plugin;
     private final int id;
 
+    final CustomTimingsHandler timings; // Spigot
     CraftTask() {
         this(null, null, CraftTask.NO_REPEATING, CraftTask.NO_REPEATING);
     }
@@ -35,11 +38,26 @@ class CraftTask implements BukkitTask, Runnable {
         this(null, task, CraftTask.NO_REPEATING, CraftTask.NO_REPEATING);
     }
 
-    CraftTask(final Plugin plugin, final Runnable task, final int id, final long period) {
+    // Spigot start
+    public String timingName = null;
+    CraftTask(String timingName) {
+        this(timingName, null, null, -1, -1);
+    }
+    CraftTask(String timingName, final Runnable task) {
+        this(timingName, null, task, -1, -1);
+    }
+    CraftTask(String timingName, final Plugin plugin, final Runnable task, final int id, final long period) {
         this.plugin = plugin;
         this.task = task;
         this.id = id;
         this.period = period;
+        this.timingName = timingName == null && task == null ? "Unknown" : timingName;
+        timings = this.isSync() ? SpigotTimings.getPluginTaskTimings(this, period) : null;
+    }
+
+    CraftTask(final Plugin plugin, final Runnable task, final int id, final long period) {
+        this(null, plugin, task, id, period);
+    // Spigot end
     }
 
     public final int getTaskId() {
@@ -104,4 +122,13 @@ class CraftTask implements BukkitTask, Runnable {
         setPeriod(CraftTask.CANCEL);
         return true;
     }
+
+    // Spigot start
+    public String getTaskName() {
+        if (timingName != null) {
+            return timingName;
+        }
+        return task.getClass().getName();
+    }
+    // Spigot end
 }
-- 
2.17.1