PaperMC/Spigot-Server-Patches/0009-Timings-v2.patch

From a4ca9171fc5e2f0aca33ad73661a89e621796f78 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Thu, 3 Mar 2016 04:00:11 -0600
Subject: [PATCH] Timings v2


diff --git a/src/main/java/co/aikar/timings/MinecraftTimings.java b/src/main/java/co/aikar/timings/MinecraftTimings.java
new file mode 100644
index 0000000000..66d02e048b
--- /dev/null
+++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
@@ -0,0 +1,132 @@
+package co.aikar.timings;
+
+import com.google.common.collect.MapMaker;
+import net.minecraft.server.*;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.scheduler.BukkitTask;
+
+import org.bukkit.craftbukkit.scheduler.CraftTask;
+
+import java.util.Map;
+
+public final class MinecraftTimings {
+
+    public static final Timing playerListTimer = Timings.ofSafe("Player List");
+    public static final Timing commandFunctionsTimer = Timings.ofSafe("Command Functions");
+    public static final Timing connectionTimer = Timings.ofSafe("Connection Handler");
+    public static final Timing tickablesTimer = Timings.ofSafe("Tickables");
+    public static final Timing minecraftSchedulerTimer = Timings.ofSafe("Minecraft Scheduler");
+    public static final Timing bukkitSchedulerTimer = Timings.ofSafe("Bukkit Scheduler");
+    public static final Timing bukkitSchedulerPendingTimer = Timings.ofSafe("Bukkit Scheduler - Pending");
+    public static final Timing bukkitSchedulerFinishTimer = Timings.ofSafe("Bukkit Scheduler - Finishing");
+    public static final Timing chunkIOTickTimer = Timings.ofSafe("ChunkIOTick");
+    public static final Timing timeUpdateTimer = Timings.ofSafe("Time Update");
+    public static final Timing serverCommandTimer = Timings.ofSafe("Server Command");
+    public static final Timing savePlayers = Timings.ofSafe("Save Players");
+
+    public static final Timing tickEntityTimer = Timings.ofSafe("## tickEntity");
+    public static final Timing tickTileEntityTimer = Timings.ofSafe("## tickTileEntity");
+    public static final Timing packetProcessTimer = Timings.ofSafe("## Packet Processing");
+    public static final Timing scheduledBlocksTimer = Timings.ofSafe("## Scheduled Blocks");
+    public static final Timing structureGenerationTimer = Timings.ofSafe("Structure Generation");
+
+    public static final Timing processQueueTimer = Timings.ofSafe("processQueue");
+
+    public static final Timing playerCommandTimer = Timings.ofSafe("playerCommand");
+
+    public static final Timing entityActivationCheckTimer = Timings.ofSafe("entityActivationCheck");
+
+    public static final Timing antiXrayUpdateTimer = Timings.ofSafe("anti-xray - update");
+    public static final Timing antiXrayObfuscateTimer = Timings.ofSafe("anti-xray - obfuscate");
+
+    private static final Map<Class<?>, String> taskNameCache = new MapMaker().weakKeys().makeMap();
+
+    private MinecraftTimings() {}
+
+    /**
+     * Gets a timer associated with a plugins tasks.
+     * @param bukkitTask
+     * @param period
+     * @return
+     */
+    public static Timing getPluginTaskTimings(BukkitTask bukkitTask, long period) {
+        if (!bukkitTask.isSync()) {
+            return null;
+        }
+        Plugin plugin;
+
+        CraftTask craftTask = (CraftTask) bukkitTask;
+
+        final Class<?> taskClass = craftTask.getTaskClass();
+        if (bukkitTask.getOwner() != null) {
+            plugin = bukkitTask.getOwner();
+        } else {
+            plugin = TimingsManager.getPluginByClassloader(taskClass);
+        }
+
+        final String taskname = taskNameCache.computeIfAbsent(taskClass, clazz ->
+                clazz.isAnonymousClass() || clazz.isLocalClass()
+                        ? clazz.getName()
+                        : clazz.getCanonicalName());
+
+        StringBuilder name = new StringBuilder(64);
+        name.append("Task: ").append(taskname);
+        if (period > 0) {
+            name.append(" (interval:").append(period).append(")");
+        } else {
+            name.append(" (Single)");
+        }
+
+        if (plugin == null) {
+            return Timings.ofSafe(null, name.toString());
+        }
+
+        return Timings.ofSafe(plugin, name.toString());
+    }
+
+    /**
+     * Get a named timer for the specified entity type to track type specific timings.
+     * @param entity
+     * @return
+     */
+    public static Timing getEntityTimings(Entity entity) {
+        String entityType = entity.getClass().getName();
+        return Timings.ofSafe("Minecraft", "## tickEntity - " + entityType, tickEntityTimer);
+    }
+
+    /**
+     * Get a named timer for the specified tile entity type to track type specific timings.
+     * @param entity
+     * @return
+     */
+    public static Timing getTileEntityTimings(TileEntity entity) {
+        String entityType = entity.getClass().getName();
+        return Timings.ofSafe("Minecraft", "## tickTileEntity - " + entityType, tickTileEntityTimer);
+    }
+    public static Timing getCancelTasksTimer() {
+        return Timings.ofSafe("Cancel Tasks");
+    }
+    public static Timing getCancelTasksTimer(Plugin plugin) {
+        return Timings.ofSafe(plugin, "Cancel Tasks");
+    }
+
+    public static void stopServer() {
+        TimingsManager.stopServer();
+    }
+
+    public static Timing getBlockTiming(Block block) {
+        return Timings.ofSafe("## Scheduled Block: " + block.toString(), scheduledBlocksTimer);
+    }
+/*
+    public static Timing getStructureTiming(StructureGenerator structureGenerator) {
+        return Timings.ofSafe("Structure Generator - " + structureGenerator.getName(), structureGenerationTimer);
+    }*/
+
+    public static Timing getPacketTiming(Packet packet) {
+        return Timings.ofSafe("## Packet - " + packet.getClass().getSimpleName(), packetProcessTimer);
+    }
+
+    public static Timing getCommandFunctionTiming(CustomFunction function) {
+        return Timings.ofSafe("Command Function - " + function.getMinecraftKey().toString());
+    }
+}
diff --git a/src/main/java/co/aikar/timings/WorldTimingsHandler.java b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
new file mode 100644
index 0000000000..145cb274b0
--- /dev/null
+++ b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
@@ -0,0 +1,104 @@
+package co.aikar.timings;
+
+import net.minecraft.server.World;
+import net.minecraft.server.WorldServer;
+
+/**
+ * Set of timers per world, to track world specific timings.
+ */
+public class WorldTimingsHandler {
+    public final Timing mobSpawn;
+    public final Timing doChunkUnload;
+    public final Timing doPortalForcer;
+    public final Timing scheduledBlocks;
+    public final Timing scheduledBlocksCleanup;
+    public final Timing scheduledBlocksTicking;
+    public final Timing chunkTicks;
+    public final Timing lightChunk;
+    public final Timing chunkTicksBlocks;
+    public final Timing doVillages;
+    public final Timing doChunkMap;
+    public final Timing doChunkMapUpdate;
+    public final Timing doChunkMapToUpdate;
+    public final Timing doChunkMapSortMissing;
+    public final Timing doChunkMapSortSendToPlayers;
+    public final Timing doChunkMapPlayersNeedingChunks;
+    public final Timing doChunkMapPendingSendToPlayers;
+    public final Timing doChunkMapUnloadChunks;
+    public final Timing doChunkGC;
+    public final Timing doSounds;
+    public final Timing entityRemoval;
+    public final Timing entityTick;
+    public final Timing tileEntityTick;
+    public final Timing tileEntityPending;
+    public final Timing tracker1;
+    public final Timing tracker2;
+    public final Timing doTick;
+    public final Timing tickEntities;
+
+    public final Timing syncChunkLoadTimer;
+    public final Timing syncChunkLoadDataTimer;
+    public final Timing syncChunkLoadStructuresTimer;
+    public final Timing syncChunkLoadPostTimer;
+    public final Timing syncChunkLoadPopulateTimer;
+    public final Timing chunkLoadLevelTimer;
+    public final Timing chunkGeneration;
+    public final Timing chunkIOStage1;
+    public final Timing chunkIOStage2;
+    public final Timing worldSave;
+    public final Timing worldSaveChunks;
+    public final Timing worldSaveLevel;
+    public final Timing chunkSaveData;
+
+    public WorldTimingsHandler(World server) {
+        String name = server.worldData.getName() +" - ";
+
+        mobSpawn = Timings.ofSafe(name + "mobSpawn");
+        doChunkUnload = Timings.ofSafe(name + "doChunkUnload");
+        scheduledBlocks = Timings.ofSafe(name + "Scheduled Blocks");
+        scheduledBlocksCleanup = Timings.ofSafe(name + "Scheduled Blocks - Cleanup");
+        scheduledBlocksTicking = Timings.ofSafe(name + "Scheduled Blocks - Ticking");
+        chunkTicks = Timings.ofSafe(name + "Chunk Ticks");
+        lightChunk = Timings.ofSafe(name + "Light Chunk");
+        chunkTicksBlocks = Timings.ofSafe(name + "Chunk Ticks - Blocks");
+        doVillages = Timings.ofSafe(name + "doVillages");
+        doChunkMap = Timings.ofSafe(name + "doChunkMap");
+        doChunkMapUpdate = Timings.ofSafe(name + "doChunkMap - Update");
+        doChunkMapToUpdate = Timings.ofSafe(name + "doChunkMap - To Update");
+        doChunkMapSortMissing = Timings.ofSafe(name + "doChunkMap - Sort Missing");
+        doChunkMapSortSendToPlayers = Timings.ofSafe(name + "doChunkMap - Sort Send To Players");
+        doChunkMapPlayersNeedingChunks = Timings.ofSafe(name + "doChunkMap - Players Needing Chunks");
+        doChunkMapPendingSendToPlayers = Timings.ofSafe(name + "doChunkMap - Pending Send To Players");
+        doChunkMapUnloadChunks = Timings.ofSafe(name + "doChunkMap - Unload Chunks");
+        doSounds = Timings.ofSafe(name + "doSounds");
+        doChunkGC = Timings.ofSafe(name + "doChunkGC");
+        doPortalForcer = Timings.ofSafe(name + "doPortalForcer");
+        entityTick = Timings.ofSafe(name + "entityTick");
+        entityRemoval = Timings.ofSafe(name + "entityRemoval");
+        tileEntityTick = Timings.ofSafe(name + "tileEntityTick");
+        tileEntityPending = Timings.ofSafe(name + "tileEntityPending");
+
+        syncChunkLoadTimer = Timings.ofSafe(name + "syncChunkLoad");
+        syncChunkLoadDataTimer = Timings.ofSafe(name + "syncChunkLoad - Data");
+        syncChunkLoadStructuresTimer = Timings.ofSafe(name + "chunkLoad - recreateStructures");
+        syncChunkLoadPostTimer = Timings.ofSafe(name + "chunkLoad - Post");
+        syncChunkLoadPopulateTimer = Timings.ofSafe(name + "chunkLoad - Populate");
+        chunkLoadLevelTimer = Timings.ofSafe(name + "chunkLoad - Load Level");
+        chunkGeneration = Timings.ofSafe(name + "chunkGeneration");
+        chunkIOStage1 = Timings.ofSafe(name + "ChunkIO Stage 1 - DiskIO");
+        chunkIOStage2 = Timings.ofSafe(name + "ChunkIO Stage 2 - Post Load");
+        worldSave = Timings.ofSafe(name + "World Save");
+        worldSaveLevel = Timings.ofSafe(name + "World Save - Level");
+        worldSaveChunks = Timings.ofSafe(name + "World Save - Chunks");
+        chunkSaveData = Timings.ofSafe(name + "Chunk Save - Data");
+
+        tracker1 = Timings.ofSafe(name + "tracker stage 1");
+        tracker2 = Timings.ofSafe(name + "tracker stage 2");
+        doTick = Timings.ofSafe(name + "doTick");
+        tickEntities = Timings.ofSafe(name + "tickEntities");
+    }
+
+    public static Timing getTickList(WorldServer worldserver, String timingsType) {
+        return Timings.ofSafe(worldserver.getWorldData().getName() + " - Scheduled " + timingsType);
+    }
+}
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 255b8bed0a..fe148495bf 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -14,11 +14,14 @@ import java.util.concurrent.TimeUnit;
 import java.util.logging.Level;
 import java.util.regex.Pattern;
 
+import com.google.common.collect.Lists;
 import net.minecraft.server.MinecraftServer;
 import org.bukkit.Bukkit;
 import org.bukkit.command.Command;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
+import co.aikar.timings.Timings;
+import co.aikar.timings.TimingsManager;
 
 public class PaperConfig {
 
@@ -187,4 +190,24 @@ public class PaperConfig {
         config.addDefault(path, def);
         return config.getString(path, config.getString(path));
     }
+
+    private static void timings() {
+        boolean timings = getBoolean("timings.enabled", true);
+        boolean verboseTimings = getBoolean("timings.verbose", true);
+        TimingsManager.privacy = getBoolean("timings.server-name-privacy", false);
+        TimingsManager.hiddenConfigs = getList("timings.hidden-config-entries", Lists.newArrayList("database", "settings.bungeecord-addresses"));
+        int timingHistoryInterval = getInt("timings.history-interval", 300);
+        int timingHistoryLength = getInt("timings.history-length", 3600);
+
+
+        Timings.setVerboseTimingsEnabled(verboseTimings);
+        Timings.setTimingsEnabled(timings);
+        Timings.setHistoryInterval(timingHistoryInterval * 20);
+        Timings.setHistoryLength(timingHistoryLength * 20);
+
+        log("Timings: " + timings +
+                " - Verbose: " + verboseTimings +
+                " - Interval: " + timeSummary(Timings.getHistoryInterval() / 20) +
+                " - Length: " + timeSummary(Timings.getHistoryLength() / 20));
+    }
 }
diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index c09961be9b..dbf1089bac 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -22,6 +22,15 @@ public class Block implements IMaterial {
     protected final boolean i;
     protected final SoundEffectType stepSound;
     protected final Material material;
+    // Paper start
+    public co.aikar.timings.Timing timing;
+    public co.aikar.timings.Timing getTiming() {
+        if (timing == null) {
+            timing = co.aikar.timings.MinecraftTimings.getBlockTiming(this);
+        }
+        return timing;
+    }
+    // Paper end
     protected final MaterialMapColor l;
     private final float frictionFactor;
     protected final BlockStateList<Block, IBlockData> blockStateList;
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 23dee9b563..eca1284cc3 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -854,6 +854,7 @@ public class Chunk implements IChunkAccess {
             server.getPluginManager().callEvent(new org.bukkit.event.world.ChunkLoadEvent(this.bukkitChunk, this.needsDecoration));
 
             if (this.needsDecoration) {
+                this.world.timings.syncChunkLoadPopulateTimer.startTiming(); // Paper
                 BlockSand.instaFall = true;
                 java.util.Random random = new java.util.Random();
                 random.setSeed(world.getSeed());
@@ -874,6 +875,7 @@ public class Chunk implements IChunkAccess {
                 }
                 BlockSand.instaFall = false;
                 server.getPluginManager().callEvent(new org.bukkit.event.world.ChunkPopulateEvent(bukkitChunk));
+                this.world.timings.syncChunkLoadPopulateTimer.stopTiming(); // Paper
             }
         }
         // CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/ChunkMap.java b/src/main/java/net/minecraft/server/ChunkMap.java
index df2711a5f8..732c8793e5 100644
--- a/src/main/java/net/minecraft/server/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/ChunkMap.java
@@ -14,6 +14,7 @@ public class ChunkMap extends Long2ObjectOpenHashMap<Chunk> {
     }
 
     public Chunk put(long i, Chunk chunk) {
+        chunk.world.timings.syncChunkLoadPostTimer.startTiming(); // Paper
         Chunk chunk1 = (Chunk) super.put(i, chunk);
         ChunkCoordIntPair chunkcoordintpair = new ChunkCoordIntPair(i);
 
@@ -46,6 +47,7 @@ public class ChunkMap extends Long2ObjectOpenHashMap<Chunk> {
                 }
             }
         }
+        chunk.world.timings.syncChunkLoadPostTimer.stopTiming(); // Paper
         // CraftBukkit end
 
         return chunk1;
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
index 0397ce610d..44c1dfe926 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -88,7 +88,7 @@ public class ChunkProviderServer implements IChunkProvider {
             }
 
             if (flag) {
-                try {
+                try (co.aikar.timings.Timing timing = world.timings.syncChunkLoadTimer.startTiming()) { // Paper
                     chunk = this.chunkLoader.a(this.world, i, j, (chunk1) -> {
                         chunk1.setLastSaved(this.world.getTime());
                         this.chunks.put(ChunkCoordIntPair.a(i, j), chunk1);
@@ -103,8 +103,7 @@ public class ChunkProviderServer implements IChunkProvider {
             this.asyncTaskHandler.postToMainThread(chunk::addEntities);
             return chunk;
         } else if (flag1) {
-            try {
-                world.timings.syncChunkLoadTimer.startTiming(); // Spigot
+            try (co.aikar.timings.Timing timing = world.timings.chunkGeneration.startTiming()) { // Paper
                 this.batchScheduler.b();
                 this.batchScheduler.a(new ChunkCoordIntPair(i, j));
                 CompletableFuture<ProtoChunk> completablefuture = this.batchScheduler.c();
@@ -113,7 +112,7 @@ public class ChunkProviderServer implements IChunkProvider {
             } catch (RuntimeException runtimeexception) {
                 throw this.a(i, j, (Throwable) runtimeexception);
             }
-            finally { world.timings.syncChunkLoadTimer.stopTiming(); } // Spigot
+            // finally { world.timings.syncChunkLoadTimer.stopTiming(); } // Spigot // Paper
         } else {
             return null;
         }
@@ -203,7 +202,7 @@ public class ChunkProviderServer implements IChunkProvider {
     }
 
     public void saveChunk(IChunkAccess ichunkaccess, boolean unloaded) { // Spigot
-        try {
+        try (co.aikar.timings.Timing timed = world.timings.chunkSaveData.startTiming()) { // Paper - Timings
             ichunkaccess.setLastSaved(this.world.getTime());
             this.chunkLoader.saveChunk(this.world, ichunkaccess, unloaded); // Spigot
         } catch (IOException ioexception) {
diff --git a/src/main/java/net/minecraft/server/ChunkRegionLoader.java b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
index e7ed234537..63533d2379 100644
--- a/src/main/java/net/minecraft/server/ChunkRegionLoader.java
+++ b/src/main/java/net/minecraft/server/ChunkRegionLoader.java
@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import co.aikar.timings.Timings;
 import com.google.common.collect.Maps;
 import com.mojang.datafixers.DataFixTypes;
 import com.mojang.datafixers.DataFixer;
@@ -666,7 +667,7 @@ 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
+        world.timings.chunkLoadLevelTimer.startTiming(); // Spigot
 
         for (int i = 0; i < nbttaglist.size(); ++i) {
             NBTTagCompound nbttagcompound1 = nbttaglist.getCompound(i);
@@ -675,8 +676,6 @@ 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) {
@@ -693,8 +692,6 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
                 }
             }
         }
-        world.timings.syncChunkLoadTileEntitiesTimer.stopTiming(); // Spigot
-        world.timings.syncChunkLoadTileTicksTimer.startTiming(); // Spigot
 
         if (nbttagcompound.hasKeyOfType("TileTicks", 9) && world.getBlockTickList() instanceof TickListServer) {
             ((TickListServer) world.getBlockTickList()).a(nbttagcompound.getList("TileTicks", 10));
@@ -703,7 +700,7 @@ public class ChunkRegionLoader implements IChunkLoader, IAsyncChunkSaver {
         if (nbttagcompound.hasKeyOfType("LiquidTicks", 9) && world.getFluidTickList() instanceof TickListServer) {
             ((TickListServer) world.getFluidTickList()).a(nbttagcompound.getList("LiquidTicks", 10));
         }
-        world.timings.syncChunkLoadTileTicksTimer.stopTiming(); // Spigot
+        world.timings.chunkLoadLevelTimer.stopTiming(); // Spigot
 
     }
 
diff --git a/src/main/java/net/minecraft/server/CustomFunction.java b/src/main/java/net/minecraft/server/CustomFunction.java
index 65574eb2e5..bc87cfc4b6 100644
--- a/src/main/java/net/minecraft/server/CustomFunction.java
+++ b/src/main/java/net/minecraft/server/CustomFunction.java
@@ -12,12 +12,22 @@ public class CustomFunction {
 
     private final CustomFunction.c[] a;
     private final MinecraftKey b;
+    // Paper start
+    public co.aikar.timings.Timing timing;
+    public co.aikar.timings.Timing getTiming() {
+        if (timing == null) {
+            timing = co.aikar.timings.MinecraftTimings.getCommandFunctionTiming(this);
+        }
+        return timing;
+    }
+    // Paper end
 
     public CustomFunction(MinecraftKey minecraftkey, CustomFunction.c[] acustomfunction_c) {
         this.b = minecraftkey;
         this.a = acustomfunction_c;
     }
 
+    public MinecraftKey getMinecraftKey() { return this.a(); } // Paper - OBFHELPER
     public MinecraftKey a() {
         return this.b;
     }
diff --git a/src/main/java/net/minecraft/server/CustomFunctionData.java b/src/main/java/net/minecraft/server/CustomFunctionData.java
index f28f4f3cd3..6b417be1dd 100644
--- a/src/main/java/net/minecraft/server/CustomFunctionData.java
+++ b/src/main/java/net/minecraft/server/CustomFunctionData.java
@@ -100,7 +100,7 @@ public class CustomFunctionData implements ITickable, IResourcePackListener {
 
             return 0;
         } else {
-            try {
+            try (co.aikar.timings.Timing timing = customfunction.getTiming().startTiming()) { // Paper
                 this.i = true;
                 int j = 0;
                 CustomFunction.c[] acustomfunction_c = customfunction.b();
diff --git a/src/main/java/net/minecraft/server/DedicatedServer.java b/src/main/java/net/minecraft/server/DedicatedServer.java
index 197d116c68..0ebada4902 100644
--- a/src/main/java/net/minecraft/server/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/DedicatedServer.java
@@ -29,7 +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 co.aikar.timings.MinecraftTimings; // Paper
 import org.bukkit.event.server.ServerCommandEvent;
 import org.bukkit.craftbukkit.util.Waitable;
 import org.bukkit.event.server.RemoteServerCommandEvent;
@@ -454,7 +454,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
     }
 
     public void handleCommandQueue() {
-        SpigotTimings.serverCommandTimer.startTiming(); // Spigot
+        MinecraftTimings.serverCommandTimer.startTiming(); // Spigot
         while (!this.serverCommandQueue.isEmpty()) {
             ServerCommand servercommand = (ServerCommand) this.serverCommandQueue.remove(0);
 
@@ -469,7 +469,7 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
             // CraftBukkit end
         }
 
-        SpigotTimings.serverCommandTimer.stopTiming(); // Spigot
+        MinecraftTimings.serverCommandTimer.stopTiming(); // Spigot
     }
 
     public boolean Q() {
@@ -719,7 +719,20 @@ public class DedicatedServer extends MinecraftServer implements IMinecraftServer
                 return remoteControlCommandListener.getMessages();
             }
         };
-        processQueue.add(waitable);
+        // Paper start
+        if (s.toLowerCase().startsWith("timings") && s.toLowerCase().matches("timings (report|paste|get|merged|seperate)")) {
+            org.bukkit.command.BufferedCommandSender sender = new org.bukkit.command.BufferedCommandSender();
+            waitable = new Waitable<String>() {
+                @Override
+                protected String evaluate() {
+                    return sender.getBuffer();
+                }
+            };
+            co.aikar.timings.Timings.generateReport(new co.aikar.timings.TimingsReportListener(sender, waitable));
+        } else {
+            processQueue.add(waitable);
+        }
+        // Paper end
         try {
             return waitable.get();
         } catch (java.util.concurrent.ExecutionException e) {
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 48ec5e0471..f36ab639f8 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -27,7 +27,8 @@ 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 co.aikar.timings.MinecraftTimings; // Paper
+import co.aikar.timings.Timing; // Paper
 import org.bukkit.event.entity.EntityCombustByEntityEvent;
 import org.bukkit.event.hanging.HangingBreakByEntityEvent;
 import org.bukkit.event.vehicle.VehicleBlockCollisionEvent;
@@ -158,7 +159,7 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
     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 Timing tickTimer = MinecraftTimings.getEntityTimings(this); // Paper
     // Spigot start
     public final byte activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this);
     public final boolean defaultActivationState;
@@ -535,7 +536,6 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
     }
 
     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();
@@ -885,7 +885,6 @@ public abstract class Entity implements INamableTileEntity, ICommandListener, Ke
 
             this.world.methodProfiler.exit();
         }
-        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 ed859ccf95..31bbbbd969 100644
--- a/src/main/java/net/minecraft/server/EntityLiving.java
+++ b/src/main/java/net/minecraft/server/EntityLiving.java
@@ -32,7 +32,7 @@ import org.bukkit.event.entity.EntityTeleportEvent;
 import org.bukkit.event.player.PlayerItemConsumeEvent;
 // CraftBukkit end
 
-import org.bukkit.craftbukkit.SpigotTimings; // Spigot
+import co.aikar.timings.MinecraftTimings; // Paper
 
 public abstract class EntityLiving extends Entity {
 
@@ -2023,7 +2023,6 @@ public abstract class EntityLiving extends Entity {
     }
 
     public void tick() {
-        SpigotTimings.timerEntityBaseTick.startTiming(); // Spigot
         super.tick();
         this.cV();
         this.o();
@@ -2094,9 +2093,7 @@ public abstract class EntityLiving extends Entity {
             }
         }
 
-        SpigotTimings.timerEntityBaseTick.stopTiming(); // Spigot
         this.movementTick();
-        SpigotTimings.timerEntityTickRest.startTiming(); // Spigot
         double d0 = this.locX - this.lastX;
         double d1 = this.locZ - this.lastZ;
         float f = (float) (d0 * d0 + d1 * d1);
@@ -2172,8 +2169,6 @@ public abstract class EntityLiving extends Entity {
         } else {
             this.bv = 0;
         }
-
-        SpigotTimings.timerEntityTickRest.stopTiming(); // Spigot
     }
 
     protected float e(float f, float f1) {
@@ -2243,7 +2238,6 @@ public abstract class EntityLiving extends Entity {
         }
 
         this.world.methodProfiler.enter("ai");
-        SpigotTimings.timerEntityAI.startTiming(); // Spigot
         if (this.isFrozen()) {
             this.bg = false;
             this.bh = 0.0F;
@@ -2254,7 +2248,6 @@ public abstract class EntityLiving extends Entity {
             this.doTick();
             this.world.methodProfiler.exit();
         }
-        SpigotTimings.timerEntityAI.stopTiming(); // Spigot
 
         this.world.methodProfiler.exit();
         this.world.methodProfiler.enter("jump");
@@ -2279,9 +2272,7 @@ 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.exit();
         this.world.methodProfiler.enter("push");
         if (this.bw > 0) {
@@ -2289,9 +2280,7 @@ public abstract class EntityLiving extends Entity {
             this.a(axisalignedbb, this.getBoundingBox());
         }
 
-        SpigotTimings.timerEntityAICollision.startTiming(); // Spigot
         this.cN();
-        SpigotTimings.timerEntityAICollision.stopTiming(); // Spigot
         this.world.methodProfiler.exit();
     }
 
diff --git a/src/main/java/net/minecraft/server/EntityTracker.java b/src/main/java/net/minecraft/server/EntityTracker.java
index cd462f7dfc..45ab33d1ae 100644
--- a/src/main/java/net/minecraft/server/EntityTracker.java
+++ b/src/main/java/net/minecraft/server/EntityTracker.java
@@ -168,7 +168,7 @@ public class EntityTracker {
     public void updatePlayers() {
         List<EntityPlayer> list = Lists.newArrayList();
         Iterator iterator = this.c.iterator();
-
+        world.timings.tracker1.startTiming(); // Paper
         while (iterator.hasNext()) {
             EntityTrackerEntry entitytrackerentry = (EntityTrackerEntry) iterator.next();
 
@@ -181,7 +181,9 @@ public class EntityTracker {
                 }
             }
         }
+        world.timings.tracker1.stopTiming(); // Paper
 
+        world.timings.tracker2.startTiming(); // Paper
         for (int i = 0; i < list.size(); ++i) {
             EntityPlayer entityplayer = (EntityPlayer) list.get(i);
             Iterator iterator1 = this.c.iterator();
@@ -194,6 +196,7 @@ public class EntityTracker {
                 }
             }
         }
+        world.timings.tracker2.stopTiming(); // Paper
 
     }
 
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 963c7e777c..edb1748fd8 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import co.aikar.timings.Timings;
 import com.google.common.base.Stopwatch;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
@@ -62,8 +63,8 @@ import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.Main;
 import org.bukkit.event.server.ServerLoadEvent;
 // CraftBukkit end
-import org.bukkit.craftbukkit.SpigotTimings; // Spigot
 import org.spigotmc.SlackActivityAccountant; // Spigot
+import co.aikar.timings.MinecraftTimings; // Paper
 
 public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStatistics, ICommandListener, Runnable {
 
@@ -615,6 +616,7 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         }
         // CraftBukkit end
         MinecraftServer.LOGGER.info("Stopping server");
+        MinecraftTimings.stopServer(); // Paper
         // CraftBukkit start
         if (this.server != null) {
             this.server.disablePlugins();
@@ -816,7 +818,7 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
     public void t() {}
 
     protected void a(BooleanSupplier booleansupplier) {
-        SpigotTimings.serverTickTimer.startTiming(); // Spigot
+        co.aikar.timings.TimingsManager.FULL_SERVER_TICK.startTiming(); // Paper
         this.slackActivityAccountant.tickStarted(); // Spigot
         long i = SystemUtils.getMonotonicNanos();
 
@@ -843,7 +845,6 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         }
 
         if (autosavePeriod > 0 && this.ticks % autosavePeriod == 0) { // CraftBukkit
-            SpigotTimings.worldSaveTimer.startTiming(); // Spigot
             this.methodProfiler.enter("save");
             this.playerList.savePlayers();
             // Spigot Start
@@ -858,7 +859,6 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
             // this.saveChunks(true);
             // Spigot End
             this.methodProfiler.exit();
-            SpigotTimings.worldSaveTimer.stopTiming(); // Spigot
         }
 
         this.methodProfiler.enter("snooper");
@@ -879,14 +879,14 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         this.methodProfiler.exit();
         org.spigotmc.WatchdogThread.tick(); // Spigot
         this.slackActivityAccountant.tickEnded(l); // Spigot
-        SpigotTimings.serverTickTimer.stopTiming(); // Spigot
-        org.spigotmc.CustomTimingsHandler.tick(); // Spigot
+        co.aikar.timings.TimingsManager.FULL_SERVER_TICK.stopTiming(); // Paper
     }
 
     public void b(BooleanSupplier booleansupplier) {
-        SpigotTimings.schedulerTimer.startTiming(); // Spigot
+        MinecraftTimings.bukkitSchedulerTimer.startTiming(); // Paper
         this.server.getScheduler().mainThreadHeartbeat(this.ticks); // CraftBukkit
-        SpigotTimings.schedulerTimer.stopTiming(); // Spigot
+        MinecraftTimings.bukkitSchedulerTimer.stopTiming(); // Paper
+        MinecraftTimings.minecraftSchedulerTimer.startTiming(); // Paper
         this.methodProfiler.enter("jobs");
 
         FutureTask futuretask;
@@ -894,26 +894,27 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
         while ((futuretask = (FutureTask) this.f.poll()) != null) {
             SystemUtils.a(futuretask, MinecraftServer.LOGGER);
         }
+        MinecraftTimings.minecraftSchedulerTimer.stopTiming(); // Paper
 
         this.methodProfiler.exitEnter("commandFunctions");
-        SpigotTimings.commandFunctionsTimer.startTiming(); // Spigot
+        MinecraftTimings.commandFunctionsTimer.startTiming(); // Spigot
         this.getFunctionData().tick();
-        SpigotTimings.commandFunctionsTimer.stopTiming(); // Spigot
+        MinecraftTimings.commandFunctionsTimer.stopTiming(); // Spigot
         this.methodProfiler.exitEnter("levels");
 
         // CraftBukkit start
         // Run tasks that are waiting on processing
-        SpigotTimings.processQueueTimer.startTiming(); // Spigot
+        MinecraftTimings.processQueueTimer.startTiming(); // Spigot
         while (!processQueue.isEmpty()) {
             processQueue.remove().run();
         }
-        SpigotTimings.processQueueTimer.stopTiming(); // Spigot
+        MinecraftTimings.processQueueTimer.stopTiming(); // Spigot
 
-        SpigotTimings.chunkIOTickTimer.startTiming(); // Spigot
+        MinecraftTimings.chunkIOTickTimer.startTiming(); // Spigot
         org.bukkit.craftbukkit.chunkio.ChunkIOExecutor.tick();
-        SpigotTimings.chunkIOTickTimer.stopTiming(); // Spigot
+        MinecraftTimings.chunkIOTickTimer.stopTiming(); // Spigot
 
-        SpigotTimings.timeUpdateTimer.startTiming(); // Spigot
+        MinecraftTimings.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) {
@@ -921,7 +922,7 @@ 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
+        MinecraftTimings.timeUpdateTimer.stopTiming(); // Spigot
 
         // WorldServer worldserver; // CraftBukkit - dropped down
         long i;
@@ -980,29 +981,27 @@ public abstract class MinecraftServer implements IAsyncTaskHandler, IMojangStati
 
                 this.methodProfiler.exit();
                 this.methodProfiler.enter("tracker");
-                worldserver.timings.tracker.startTiming(); // Spigot
                 worldserver.getTracker().updatePlayers();
-                worldserver.timings.tracker.stopTiming(); // Spigot
                 this.methodProfiler.exit();
                 this.methodProfiler.exit();
             }
         }
 
         this.methodProfiler.exitEnter("connection");
-        SpigotTimings.connectionTimer.startTiming(); // Spigot
+        MinecraftTimings.connectionTimer.startTiming(); // Spigot
         this.getServerConnection().c();
-        SpigotTimings.connectionTimer.stopTiming(); // Spigot
+        MinecraftTimings.connectionTimer.stopTiming(); // Spigot
         this.methodProfiler.exitEnter("players");
-        SpigotTimings.playerListTimer.startTiming(); // Spigot
+        MinecraftTimings.playerListTimer.startTiming(); // Spigot
         this.playerList.tick();
-        SpigotTimings.playerListTimer.stopTiming(); // Spigot
+        MinecraftTimings.playerListTimer.stopTiming(); // Spigot
         this.methodProfiler.exitEnter("tickables");
 
-        SpigotTimings.tickablesTimer.startTiming(); // Spigot
+        MinecraftTimings.tickablesTimer.startTiming(); // Spigot
         for (int j = 0; j < this.k.size(); ++j) {
             ((ITickable) this.k.get(j)).tick();
         }
-        SpigotTimings.tickablesTimer.stopTiming(); // Spigot
+        MinecraftTimings.tickablesTimer.stopTiming(); // Spigot
 
         this.methodProfiler.exit();
     }
diff --git a/src/main/java/net/minecraft/server/PlayerChunkMap.java b/src/main/java/net/minecraft/server/PlayerChunkMap.java
index c24f4a8fea..e01222ad2b 100644
--- a/src/main/java/net/minecraft/server/PlayerChunkMap.java
+++ b/src/main/java/net/minecraft/server/PlayerChunkMap.java
@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import co.aikar.timings.Timing;
 import com.google.common.collect.AbstractIterator;
 import com.google.common.collect.ComparisonChain;
 import com.google.common.collect.Lists;
@@ -84,6 +85,7 @@ public class PlayerChunkMap {
         int j;
 
         if (i - this.k > 8000L) {
+            try (Timing ignored = world.timings.doChunkMapUpdate.startTiming()) { // Paper
             this.k = i;
 
             for (j = 0; j < this.i.size(); ++j) {
@@ -91,9 +93,11 @@ public class PlayerChunkMap {
                 playerchunk.d();
                 playerchunk.c();
             }
+            } // Paper timing
         }
 
         if (!this.f.isEmpty()) {
+            try (Timing ignored = world.timings.doChunkMapToUpdate.startTiming()) { // Paper
             Iterator iterator = this.f.iterator();
 
             while (iterator.hasNext()) {
@@ -102,23 +106,29 @@ public class PlayerChunkMap {
             }
 
             this.f.clear();
+            } // Paper timing
         }
 
         if (this.l && i % 4L == 0L) {
             this.l = false;
+            try (Timing ignored = world.timings.doChunkMapSortMissing.startTiming()) { // Paper
             Collections.sort(this.h, (playerchunk1, playerchunk2) -> {
                 return ComparisonChain.start().compare(playerchunk1.g(), playerchunk2.g()).result();
             });
+            } // Paper timing
         }
 
         if (this.m && i % 4L == 2L) {
             this.m = false;
+            try (Timing ignored = world.timings.doChunkMapSortSendToPlayers.startTiming()) { // Paper
             Collections.sort(this.g, (playerchunk1, playerchunk2) -> {
                 return ComparisonChain.start().compare(playerchunk1.g(), playerchunk2.g()).result();
             });
+            } // Paper timing
         }
 
         if (!this.h.isEmpty()) {
+            try (Timing ignored = world.timings.doChunkMapPlayersNeedingChunks.startTiming()) { // Paper
             // Spigot start
             org.spigotmc.SlackActivityAccountant activityAccountant = this.world.getMinecraftServer().slackActivityAccountant;
             activityAccountant.startActivity(0.5);
@@ -150,10 +160,12 @@ public class PlayerChunkMap {
             }
 
             activityAccountant.endActivity(); // Spigot
+            } // Paper timing
         }
 
         if (!this.g.isEmpty()) {
             j = 81;
+            try (Timing ignored = world.timings.doChunkMapPendingSendToPlayers.startTiming()) { // Paper
             Iterator iterator2 = this.g.iterator();
 
             while (iterator2.hasNext()) {
@@ -167,14 +179,17 @@ public class PlayerChunkMap {
                     }
                 }
             }
+            } // Paper timing
         }
 
         if (this.managedPlayers.isEmpty()) {
+            try (Timing ignored = world.timings.doChunkMapUnloadChunks.startTiming()) { // Paper
             WorldProvider worldprovider = this.world.worldProvider;
 
             if (!worldprovider.canRespawn()) {
                 this.world.getChunkProvider().b();
             }
+            } // Paper timing
         }
 
     }
diff --git a/src/main/java/net/minecraft/server/PlayerConnection.java b/src/main/java/net/minecraft/server/PlayerConnection.java
index f0e87416ec..723fce2049 100644
--- a/src/main/java/net/minecraft/server/PlayerConnection.java
+++ b/src/main/java/net/minecraft/server/PlayerConnection.java
@@ -58,6 +58,7 @@ import org.bukkit.inventory.CraftingInventory;
 import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.InventoryView;
 import org.bukkit.util.NumberConversions;
+import co.aikar.timings.MinecraftTimings; // Paper
 // CraftBukkit end
 
 public class PlayerConnection implements PacketListenerPlayIn, ITickable {
@@ -135,7 +136,6 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
     // CraftBukkit end
 
     public void tick() {
-        org.bukkit.craftbukkit.SpigotTimings.playerConnectionTimer.startTiming(); // Spigot
         this.syncPosition();
         this.player.playerTick();
         this.player.setLocation(this.l, this.m, this.n, this.player.yaw, this.player.pitch);
@@ -208,7 +208,6 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
             this.player.resetIdleTimer(); // CraftBukkit - SPIGOT-854
             this.disconnect(new ChatMessage("multiplayer.disconnect.idling", new Object[0]));
         }
-        org.bukkit.craftbukkit.SpigotTimings.playerConnectionTimer.stopTiming(); // Spigot
 
     }
 
@@ -1622,7 +1621,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
     // CraftBukkit end
 
     private void handleCommand(String s) {
-        org.bukkit.craftbukkit.SpigotTimings.playerCommandTimer.startTiming(); // Spigot
+        MinecraftTimings.playerCommandTimer.startTiming(); // Paper
         // CraftBukkit start - whole method
         if ( org.spigotmc.SpigotConfig.logCommands ) // Spigot
         this.LOGGER.info(this.player.getName() + " issued server command: " + s);
@@ -1633,7 +1632,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
         this.server.getPluginManager().callEvent(event);
 
         if (event.isCancelled()) {
-            org.bukkit.craftbukkit.SpigotTimings.playerCommandTimer.stopTiming(); // Spigot
+            MinecraftTimings.playerCommandTimer.stopTiming(); // Paper
             return;
         }
 
@@ -1646,7 +1645,7 @@ public class PlayerConnection implements PacketListenerPlayIn, ITickable {
             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
+            MinecraftTimings.playerCommandTimer.stopTiming(); // Paper
         }
         // this.minecraftServer.getCommandDispatcher().a(this.player.getCommandListener(), s);
         // CraftBukkit end
diff --git a/src/main/java/net/minecraft/server/PlayerConnectionUtils.java b/src/main/java/net/minecraft/server/PlayerConnectionUtils.java
index 6c88d0c86a..8bf94c1b96 100644
--- a/src/main/java/net/minecraft/server/PlayerConnectionUtils.java
+++ b/src/main/java/net/minecraft/server/PlayerConnectionUtils.java
@@ -1,11 +1,17 @@
 package net.minecraft.server;
 
+import co.aikar.timings.MinecraftTimings; // Paper
+import co.aikar.timings.Timing; // Paper
+
 public class PlayerConnectionUtils {
 
     public static <T extends PacketListener> void ensureMainThread(Packet<T> packet, T t0, IAsyncTaskHandler iasynctaskhandler) throws CancelledPacketHandleException {
         if (!iasynctaskhandler.isMainThread()) {
+            Timing timing = MinecraftTimings.getPacketTiming(packet); // Paper
             iasynctaskhandler.postToMainThread(() -> {
+            try (Timing ignored = timing.startTiming()) { // Paper
                 packet.a(t0);
+            } // Paper - timings
             });
             throw CancelledPacketHandleException.INSTANCE;
         }
diff --git a/src/main/java/net/minecraft/server/PlayerList.java b/src/main/java/net/minecraft/server/PlayerList.java
index 54e44cba35..3a83819d56 100644
--- a/src/main/java/net/minecraft/server/PlayerList.java
+++ b/src/main/java/net/minecraft/server/PlayerList.java
@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import co.aikar.timings.MinecraftTimings;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
@@ -1173,10 +1174,11 @@ public abstract class PlayerList {
     }
 
     public void savePlayers() {
+        MinecraftTimings.savePlayers.startTiming(); // Paper
         for (int i = 0; i < this.players.size(); ++i) {
             this.savePlayerFile((EntityPlayer) this.players.get(i));
         }
-
+        MinecraftTimings.savePlayers.stopTiming(); // Paper
     }
 
     public WhiteList getWhitelist() {
diff --git a/src/main/java/net/minecraft/server/TickListServer.java b/src/main/java/net/minecraft/server/TickListServer.java
index 0da57948a3..6571fc5952 100644
--- a/src/main/java/net/minecraft/server/TickListServer.java
+++ b/src/main/java/net/minecraft/server/TickListServer.java
@@ -24,13 +24,19 @@ public class TickListServer<T> implements TickList<T> {
     private final List<NextTickListEntry<T>> g = Lists.newArrayList();
     private final Consumer<NextTickListEntry<T>> h;
 
-    public TickListServer(WorldServer worldserver, Predicate<T> predicate, Function<T, MinecraftKey> function, Function<MinecraftKey, T> function1, Consumer<NextTickListEntry<T>> consumer) {
+    public TickListServer(WorldServer worldserver, Predicate<T> predicate, Function<T, MinecraftKey> function, Function<MinecraftKey, T> function1, Consumer<NextTickListEntry<T>> consumer, String timingsType) { // Paper
         this.a = predicate;
         this.b = function;
         this.c = function1;
         this.f = worldserver;
         this.h = consumer;
+        // Paper start
+        timingCleanup = co.aikar.timings.WorldTimingsHandler.getTickList(worldserver, timingsType + " - Cleanup");
+        timingTicking = co.aikar.timings.WorldTimingsHandler.getTickList(worldserver, timingsType + " - Ticking");
     }
+    private final co.aikar.timings.Timing timingCleanup; // Paper
+    private final co.aikar.timings.Timing timingTicking; // Paper
+    // Paper end
 
     public void a() {
         int i = this.nextTickList.size();
@@ -49,7 +55,7 @@ public class TickListServer<T> implements TickList<T> {
             }
 
             this.f.methodProfiler.enter("cleaning");
-
+            timingCleanup.startTiming(); // Paper
             NextTickListEntry<T> nextticklistentry; // CraftBukkit - decompile error
 
             for (int j = 0; j < i; ++j) {
@@ -62,9 +68,11 @@ public class TickListServer<T> implements TickList<T> {
                 // this.nextTickListHash.remove(nextticklistentry); // CraftBukkit - use nextTickList
                 this.g.add(nextticklistentry);
             }
+            timingCleanup.stopTiming(); // Paper
 
             this.f.methodProfiler.exit();
             this.f.methodProfiler.enter("ticking");
+            timingTicking.startTiming(); // Paper
             Iterator iterator = this.g.iterator();
 
             while (iterator.hasNext()) {
@@ -89,6 +97,7 @@ public class TickListServer<T> implements TickList<T> {
 
             this.f.methodProfiler.exit();
             this.g.clear();
+            timingTicking.stopTiming(); // Paper
         }
     }
 
diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java
index c69209497b..68ac014aab 100644
--- a/src/main/java/net/minecraft/server/TileEntity.java
+++ b/src/main/java/net/minecraft/server/TileEntity.java
@@ -4,12 +4,13 @@ import javax.annotation.Nullable;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
-import org.spigotmc.CustomTimingsHandler; // Spigot
+import co.aikar.timings.MinecraftTimings; // Paper
+import co.aikar.timings.Timing; // Paper
 import org.bukkit.inventory.InventoryHolder; // CraftBukkit
 
 public abstract class TileEntity implements KeyedObject { // Paper
 
-    public CustomTimingsHandler tickTimer = org.bukkit.craftbukkit.SpigotTimings.getTileEntityTimings(this); // Spigot
+    public Timing tickTimer = MinecraftTimings.getTileEntityTimings(this); // Paper
     private static final Logger a = LogManager.getLogger();
     private final TileEntityTypes<?> e; public TileEntityTypes getTileEntityType() { return e; } // Paper - OBFHELPER
     protected World world;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 5531f5205e..209091a9cb 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1,5 +1,6 @@
 	package net.minecraft.server;
 
+import co.aikar.timings.Timings;
 import com.google.common.base.MoreObjects;
 import com.google.common.collect.Lists;
 import it.unimi.dsi.fastutil.longs.LongSet;
@@ -24,7 +25,6 @@ import java.util.ArrayList;
 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;
@@ -132,7 +132,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
 
     public final com.destroystokyo.paper.PaperWorldConfig paperConfig; // Paper
 
-    public final SpigotTimings.WorldTimingsHandler timings; // Spigot
+    public final co.aikar.timings.WorldTimingsHandler timings; // Paper
     private boolean guardEntityList; // Spigot
     public static boolean haveWeSilencedAPhysicsCrash;
     public static String blockLocation;
@@ -201,7 +201,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
         });
         this.getServer().addWorld(this.world);
         // CraftBukkit end
-        timings = new SpigotTimings.WorldTimingsHandler(this); // Spigot - code below can generate new world and access timings
+        timings = new co.aikar.timings.WorldTimingsHandler(this); // Paper - code below can generate new world and access timings
                 this.entityLimiter = new org.spigotmc.TickLimiter(spigotConfig.entityMaxTickTime);
         this.tileLimiter = new org.spigotmc.TickLimiter(spigotConfig.tileMaxTickTime);
     }
@@ -1076,6 +1076,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
         }
 
         this.methodProfiler.exitEnter("remove");
+        timings.entityRemoval.startTiming(); // Paper
         this.entityList.removeAll(this.g);
 
         int j;
@@ -1096,6 +1097,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
 
         this.g.clear();
         this.p_();
+        timings.entityRemoval.stopTiming(); // Paper
         this.methodProfiler.exitEnter("regular");
 
         CrashReport crashreport1;
@@ -1105,6 +1107,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
         timings.entityTick.startTiming(); // Spigot
         guardEntityList = true; // Spigot
         // CraftBukkit start - Use field for loop variable
+        co.aikar.timings.TimingHistory.entityTicks += this.entityList.size(); // Paper
         int entitiesThisCycle = 0;
         if (tickPosition < 0) tickPosition = 0;
         for (entityLimiter.initTick();
@@ -1126,10 +1129,11 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
             this.methodProfiler.enter("tick");
             if (!entity.dead && !(entity instanceof EntityPlayer)) {
                 try {
-                    SpigotTimings.tickEntityTimer.startTiming(); // Spigot
+                    entity.tickTimer.startTiming(); // Paper
                     this.g(entity);
-                    SpigotTimings.tickEntityTimer.stopTiming(); // Spigot
+                    entity.tickTimer.stopTiming(); // Paper
                 } catch (Throwable throwable1) {
+                    entity.tickTimer.stopTiming();
                     crashreport1 = CrashReport.a(throwable1, "Ticking entity");
                     crashreportsystemdetails1 = crashreport1.a("Entity being ticked");
                     entity.appendEntityCrashDetails(crashreportsystemdetails1);
@@ -1254,6 +1258,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
         }
 
         timings.tileEntityPending.stopTiming(); // Spigot
+        co.aikar.timings.TimingHistory.tileEntityTicks += this.tileEntityListTick.size(); // Paper
         this.methodProfiler.exit();
         this.methodProfiler.exit();
     }
@@ -1312,7 +1317,6 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
         }
         // CraftBukkit end
 
-        entity.tickTimer.startTiming(); // Spigot
         entity.N = entity.locX;
         entity.O = entity.locY;
         entity.P = entity.locZ;
@@ -1320,6 +1324,7 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
         entity.lastPitch = entity.pitch;
         if (flag && entity.inChunk) {
             ++entity.ticksLived;
+            ++co.aikar.timings.TimingHistory.activatedEntityTicks; // Paper
             if (entity.isPassenger()) {
                 entity.aH();
             } else {
@@ -1383,8 +1388,6 @@ public abstract class World implements IEntityAccess, GeneratorAccess, IIBlockAc
                 }
             }
         }
-        entity.tickTimer.stopTiming(); // Spigot
-
     }
 
     public boolean a(@Nullable Entity entity, VoxelShape voxelshape) {
diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 0a32a767e6..60939cc338 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -1,5 +1,6 @@
 package net.minecraft.server;
 
+import co.aikar.timings.Timings;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.util.concurrent.ListenableFuture;
@@ -59,10 +60,11 @@ public class WorldServer extends World implements IAsyncTaskHandler {
         // CraftBukkit end
         this.nextTickListBlock = new TickListServer<>(this, (block) -> {
             return block == null || block.getBlockData().isAir();
-        }, IRegistry.BLOCK::getKey, IRegistry.BLOCK::getOrDefault, this::b);
+        }, IRegistry.BLOCK::getKey, IRegistry.BLOCK::getOrDefault, this::b, "Blocks"); // Paper - timings
+
         this.nextTickListFluid = new TickListServer<>(this, (fluidtype) -> {
             return fluidtype == null || fluidtype == FluidTypes.EMPTY;
-        }, IRegistry.FLUID::getKey, IRegistry.FLUID::getOrDefault, this::a);
+        }, IRegistry.FLUID::getKey, IRegistry.FLUID::getOrDefault, this::a, "Fluids"); // Paper - timings
         this.siegeManager = new VillageSiege(this);
         this.d = new ObjectLinkedOpenHashSet();
         this.server = minecraftserver;
@@ -279,13 +281,13 @@ public class WorldServer extends World implements IAsyncTaskHandler {
 
         timings.doChunkUnload.stopTiming(); // Spigot
         this.methodProfiler.exitEnter("tickPending");
-        timings.doTickPending.startTiming(); // Spigot
+        timings.scheduledBlocks.startTiming(); // Paper
         this.q();
-        timings.doTickPending.stopTiming(); // Spigot
+        timings.scheduledBlocks.stopTiming(); // Paper
         this.methodProfiler.exitEnter("tickBlocks");
-        timings.doTickTiles.startTiming(); // Spigot
+        timings.chunkTicks.startTiming(); // Paper
         this.n_();
-        timings.doTickTiles.stopTiming(); // Spigot
+        timings.chunkTicks.stopTiming(); // Paper
         this.methodProfiler.exitEnter("chunkMap");
         timings.doChunkMap.startTiming(); // Spigot
         this.manager.flush();
@@ -515,6 +517,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
                 }
 
                 this.methodProfiler.exitEnter("tickBlocks");
+                timings.chunkTicksBlocks.startTiming(); // Paper
                 if (i > 0) {
                     ChunkSection[] achunksection = chunk.getSections();
                     int i1 = achunksection.length;
@@ -546,6 +549,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
                         }
                     }
                 }
+                timings.chunkTicksBlocks.stopTiming(); // Paper
             }
 
             this.methodProfiler.exit();
@@ -851,6 +855,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
 
         if (chunkproviderserver.d()) {
             org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit
+            timings.worldSave.startTiming(); // Paper
             if (iprogressupdate != null) {
                 iprogressupdate.a(new ChatMessage("menu.savingLevel", new Object[0]));
             }
@@ -860,7 +865,9 @@ public class WorldServer extends World implements IAsyncTaskHandler {
                 iprogressupdate.c(new ChatMessage("menu.savingChunks", new Object[0]));
             }
 
+            timings.worldSaveChunks.startTiming(); // Paper
             chunkproviderserver.a(flag);
+            timings.worldSaveChunks.stopTiming(); // Paper
             // CraftBukkit - ArrayList -> Collection
             java.util.Collection<Chunk> list = chunkproviderserver.a();
             Iterator iterator = list.iterator();
@@ -872,7 +879,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
                     chunkproviderserver.unload(chunk);
                 }
             }
-
+            timings.worldSave.stopTiming(); // Paper
         }
     }
 
@@ -885,6 +892,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
     }
 
     protected void a() throws ExceptionWorldConflict {
+        timings.worldSaveLevel.startTiming(); // Paper
         this.checkSession();
         Iterator iterator = this.server.getWorlds().iterator();
 
@@ -914,6 +922,7 @@ public class WorldServer extends World implements IAsyncTaskHandler {
         this.worldData.c(this.server.getBossBattleCustomData().c());
         this.dataManager.saveWorldData(this.worldData, this.server.getPlayerList().t());
         this.h().a();
+        timings.worldSaveLevel.stopTiming(); // Paper
     }
 
     // CraftBukkit start
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index a3c07fbacc..da57751f73 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -1945,12 +1945,31 @@ public final class CraftServer implements Server {
     private final Spigot spigot = new Spigot()
     {
 
+        @Deprecated
         @Override
         public YamlConfiguration getConfig()
         {
             return org.spigotmc.SpigotConfig.config;
         }
 
+        @Override
+        public YamlConfiguration getBukkitConfig()
+        {
+            return configuration;
+        }
+
+        @Override
+        public YamlConfiguration getSpigotConfig()
+        {
+            return org.spigotmc.SpigotConfig.config;
+        }
+
+        @Override
+        public YamlConfiguration getPaperConfig()
+        {
+            return com.destroystokyo.paper.PaperConfig.config;
+        }
+
         @Override
         public void restart() {
             org.spigotmc.RestartCommand.restart();
diff --git a/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java b/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
deleted file mode 100644
index 2ab4b11a8d..0000000000
--- a/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
+++ /dev/null
@@ -1,173 +0,0 @@
-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 playerConnectionTimer = new CustomTimingsHandler("** PlayerConnection");
-    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 CustomTimingsHandler entityActivationCheckTimer = new CustomTimingsHandler("entityActivationCheck");
-    public static final CustomTimingsHandler checkIfActiveTimer = new CustomTimingsHandler("** checkIfActive");
-
-    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 {
-            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/chunkio/ChunkIOProvider.java b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java
index 413dd35f06..52a8c48fa4 100644
--- a/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java
+++ b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java
@@ -1,6 +1,8 @@
 package org.bukkit.craftbukkit.chunkio;
 
 import java.io.IOException;
+
+import co.aikar.timings.Timing;
 import net.minecraft.server.Chunk;
 import net.minecraft.server.ChunkCoordIntPair;
 import net.minecraft.server.ChunkRegionLoader;
@@ -16,7 +18,7 @@ class ChunkIOProvider implements AsynchronousExecutor.CallBackProvider<QueuedChu
 
     // async stuff
     public Chunk callStage1(QueuedChunk queuedChunk) throws RuntimeException {
-        try {
+        try (Timing ignored = queuedChunk.provider.world.timings.chunkIOStage1.startTimingIfSync()) { // Paper
             ChunkRegionLoader loader = queuedChunk.loader;
             Object[] data = loader.loadChunk(queuedChunk.world, queuedChunk.x, queuedChunk.z, (chunk) -> {});
             
@@ -38,11 +40,13 @@ class ChunkIOProvider implements AsynchronousExecutor.CallBackProvider<QueuedChu
             // queuedChunk.provider.originalGetChunkAt(queuedChunk.x, queuedChunk.z);
             return;
         }
+        try (Timing ignored = queuedChunk.provider.world.timings.chunkIOStage2.startTimingIfSync()) { // Paper
 
         queuedChunk.loader.loadEntities(queuedChunk.compound.getCompound("Level"), chunk);
         chunk.setLastSaved(queuedChunk.provider.world.getTime());
         queuedChunk.provider.chunks.put(ChunkCoordIntPair.a(queuedChunk.x, queuedChunk.z), chunk);
         chunk.addEntities();
+        } // Paper
     }
 
     public void callStage3(QueuedChunk queuedChunk, Chunk chunk, Runnable runnable) throws RuntimeException {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 51f7cc31c9..704acf7386 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1695,6 +1695,14 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
             packet.components = components;
             getHandle().playerConnection.sendPacket(packet);
         }
+
+        // Paper start
+        @Override
+        public int getPing()
+        {
+            return getHandle().ping;
+        }
+        // Paper end
     };
 
     public Player.Spigot spigot()
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
index 2f5d7a2a63..311c4f5ca6 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -15,6 +15,7 @@ import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Consumer;
 import java.util.logging.Level;
 
+import co.aikar.timings.MinecraftTimings; // Paper
 import org.apache.commons.lang.Validate;
 import org.bukkit.plugin.IllegalPluginAccessException;
 import org.bukkit.plugin.Plugin;
@@ -246,7 +247,7 @@ public class CraftScheduler implements BukkitScheduler {
                             }
                         }
                         return false;
-                    }});
+                    }}){{this.timings=co.aikar.timings.MinecraftTimings.getCancelTasksTimer();}}; // Paper
         handle(task, 0L);
         for (CraftTask taskPending = head.getNext(); taskPending != null; taskPending = taskPending.getNext()) {
             if (taskPending == task) {
@@ -280,7 +281,7 @@ public class CraftScheduler implements BukkitScheduler {
                             }
                         }
                     }
-                });
+                }){{this.timings=co.aikar.timings.MinecraftTimings.getCancelTasksTimer(plugin);}}; // Paper
         handle(task, 0L);
         for (CraftTask taskPending = head.getNext(); taskPending != null; taskPending = taskPending.getNext()) {
             if (taskPending == task) {
@@ -387,9 +388,7 @@ 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,
@@ -416,8 +415,10 @@ public class CraftScheduler implements BukkitScheduler {
                 runners.remove(task.getTaskId());
             }
         }
+        MinecraftTimings.bukkitSchedulerFinishTimer.startTiming();
         pending.addAll(temp);
         temp.clear();
+        MinecraftTimings.bukkitSchedulerFinishTimer.stopTiming();
         debugHead = debugHead.getNextHead(currentTick);
     }
 
@@ -450,6 +451,7 @@ public class CraftScheduler implements BukkitScheduler {
     }
 
     private void parsePending() {
+        MinecraftTimings.bukkitSchedulerPendingTimer.startTiming();
         CraftTask head = this.head;
         CraftTask task = head.getNext();
         CraftTask lastTask = head;
@@ -468,6 +470,7 @@ public class CraftScheduler implements BukkitScheduler {
            task.setNext(null);
         }
         this.head = lastTask;
+        MinecraftTimings.bukkitSchedulerPendingTimer.stopTiming();
     }
 
     private boolean isReady(final int currentTick) {
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
index 3f55381c15..f32e660107 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
@@ -2,8 +2,8 @@ package org.bukkit.craftbukkit.scheduler;
 
 import java.util.function.Consumer;
 import org.bukkit.Bukkit;
-import org.bukkit.craftbukkit.SpigotTimings; // Spigot
-import org.spigotmc.CustomTimingsHandler; // Spigot
+import co.aikar.timings.MinecraftTimings; // Paper
+import co.aikar.timings.Timing; // Paper
 import org.bukkit.plugin.Plugin;
 import org.bukkit.scheduler.BukkitTask;
 
@@ -26,12 +26,12 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
      */
     private volatile long period;
     private long nextRun;
-    private final Runnable rTask;
-    private final Consumer<BukkitTask> cTask;
+    public final Runnable rTask; // Paper
+    public final Consumer<BukkitTask> cTask; // Paper
+    public Timing timings; // Paper
     private final Plugin plugin;
     private final int id;
 
-    final CustomTimingsHandler timings; // Spigot
     CraftTask() {
         this(null, null, CraftTask.NO_REPEATING, CraftTask.NO_REPEATING);
     }
@@ -40,7 +40,7 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
         this(null, task, CraftTask.NO_REPEATING, CraftTask.NO_REPEATING);
     }
 
-    CraftTask(final Plugin plugin, final Object task, final int id, final long period) {
+    CraftTask(final Plugin plugin, final Object task, final int id, final long period) { // Paper
         this.plugin = plugin;
         if (task instanceof Runnable) {
             this.rTask = (Runnable) task;
@@ -57,7 +57,7 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
         }
         this.id = id;
         this.period = period;
-        this.timings = this.isSync() ? SpigotTimings.getPluginTaskTimings(this, period) : null; // Spigot
+        timings = task != null ? MinecraftTimings.getPluginTaskTimings(this, period) : null; // Paper
     }
 
     @Override
@@ -77,11 +77,13 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
 
     @Override
     public void run() {
+        if (timings != null && isSync()) timings.startTiming(); // Paper
         if (rTask != null) {
             rTask.run();
         } else {
             cTask.accept(this);
         }
+        if (timings != null && isSync()) timings.stopTiming(); // Paper
     }
 
     long getPeriod() {
@@ -108,7 +110,7 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
         this.next = next;
     }
 
-    Class<?> getTaskClass() {
+    public Class<?> getTaskClass() {
         return (rTask != null) ? rTask.getClass() : ((cTask != null) ? cTask.getClass() : null);
     }
 
@@ -132,9 +134,4 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
         return true;
     }
 
-    // Spigot start
-    public String getTaskName() {
-        return (getTaskClass() == null) ? "Unknown" : getTaskClass().getName();
-    }
-    // Spigot end
 }
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftIconCache.java b/src/main/java/org/bukkit/craftbukkit/util/CraftIconCache.java
index e52ef47b78..3d90b34268 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftIconCache.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftIconCache.java
@@ -5,6 +5,7 @@ import org.bukkit.util.CachedServerIcon;
 public class CraftIconCache implements CachedServerIcon {
     public final String value;
 
+    public String getData() { return value; } // Paper
     public CraftIconCache(final String value) {
         this.value = value;
     }
diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
index c1071c92ee..a99c0cea0f 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -30,7 +30,7 @@ import net.minecraft.server.EntityWither;
 import net.minecraft.server.MathHelper;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.World;
-import org.bukkit.craftbukkit.SpigotTimings;
+import co.aikar.timings.MinecraftTimings;
 
 public class ActivationRange
 {
@@ -64,8 +64,8 @@ public class ActivationRange
     /**
      * These entities are excluded from Activation range checks.
      *
-     * @param entity
-     * @param world
+     * @param entity Entity to initialize
+     * @param config Spigot config to determine ranges
      * @return boolean If it should always tick.
      */
     public static boolean initializeEntityActivationState(Entity entity, SpigotWorldConfig config)
@@ -99,7 +99,7 @@ public class ActivationRange
      */
     public static void activateEntities(World world)
     {
-        SpigotTimings.entityActivationCheckTimer.startTiming();
+        MinecraftTimings.entityActivationCheckTimer.startTiming();
         final int miscActivationRange = world.spigotConfig.miscActivationRange;
         final int animalActivationRange = world.spigotConfig.animalActivationRange;
         final int monsterActivationRange = world.spigotConfig.monsterActivationRange;
@@ -133,7 +133,7 @@ public class ActivationRange
                 }
             }
         }
-        SpigotTimings.entityActivationCheckTimer.stopTiming();
+        MinecraftTimings.entityActivationCheckTimer.stopTiming();
     }
 
     /**
@@ -247,10 +247,8 @@ public class ActivationRange
      */
     public static boolean checkIfActive(Entity entity)
     {
-        SpigotTimings.checkIfActiveTimer.startTiming();
         // Never safe to skip fireworks or entities not yet added to chunk
         if ( !entity.inChunk || entity instanceof EntityFireworks ) {
-            SpigotTimings.checkIfActiveTimer.stopTiming();
             return true;
         }
 
@@ -282,7 +280,6 @@ public class ActivationRange
         {
             isActive = false;
         }
-        SpigotTimings.checkIfActiveTimer.stopTiming();
         return isActive;
     }
 }
-- 
2.20.1