PaperMC/patches/server/0009-Timings-v2.patch

From 0000000000000000000000000000000000000000 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 0000000000000000000000000000000000000000..b47b7dce26805badd422c1867733ff4bfd00e9f4
--- /dev/null
+++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
@@ -0,0 +1,151 @@
+package co.aikar.timings;
+
+import com.google.common.collect.MapMaker;
+import net.minecraft.commands.CommandFunction;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.scheduler.BukkitTask;
+
+import org.bukkit.craftbukkit.scheduler.CraftTask;
+
+import java.util.Map;
+
+// TODO: Re-implement missing timers
+public final class MinecraftTimings {
+
+    public static final Timing serverOversleep = Timings.ofSafe("Server Oversleep");
+    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 processTasksTimer = Timings.ofSafe("processTasks");
+
+    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() {}
+
+    public static Timing getInternalTaskName(String taskName) {
+        return Timings.ofSafe(taskName);
+    }
+
+    /**
+     * 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 NullTimingHandler.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 -> {
+            try {
+                String clsName = !clazz.isMemberClass()
+                    ? clazz.getName()
+                    : clazz.getCanonicalName();
+                if (clsName != null && clsName.contains("$Lambda$")) {
+                    clsName = clsName.replaceAll("(Lambda\\$.*?)/.*", "$1");
+                }
+                return clsName != null ? clsName : "UnknownTask";
+            } catch (Throwable ex) {
+                new Exception("Error occurred detecting class name", ex).printStackTrace();
+                return "MangledClassFile";
+            }
+        });
+
+        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 entityType
+     * @return
+     */
+    public static Timing getEntityTimings(String entityType, String type) {
+        return Timings.ofSafe("Minecraft", "## tickEntity - " + entityType + " - " + type, tickEntityTimer);
+    }
+
+    /**
+     * Get a named timer for the specified tile entity type to track type specific timings.
+     * @param entity
+     * @return
+     */
+    public static Timing getTileEntityTimings(BlockEntity 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().getName(), packetProcessTimer);
+    }
+
+    public static Timing getCommandFunctionTiming(CommandFunction function) {
+        return Timings.ofSafe("Command Function - " + function.getId());
+    }
+}
diff --git a/src/main/java/co/aikar/timings/TimingsExport.java b/src/main/java/co/aikar/timings/TimingsExport.java
new file mode 100644
index 0000000000000000000000000000000000000000..ee53453440177537fc653ea156785d7591498614
--- /dev/null
+++ b/src/main/java/co/aikar/timings/TimingsExport.java
@@ -0,0 +1,376 @@
+/*
+ * This file is licensed under the MIT License (MIT).
+ *
+ * Copyright (c) 2014 Daniel Ennis <http://aikar.co>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package co.aikar.timings;
+
+import com.google.common.collect.Sets;
+import net.minecraft.server.MinecraftServer;
+import org.apache.commons.lang.StringUtils;
+import org.bukkit.Bukkit;
+import org.bukkit.ChatColor;
+import org.bukkit.Material;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.MemorySection;
+import org.bukkit.craftbukkit.util.CraftChatMessage;
+import org.bukkit.entity.EntityType;
+import org.json.simple.JSONObject;
+import org.json.simple.JSONValue;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.management.ManagementFactory;
+import java.lang.management.OperatingSystemMXBean;
+import java.lang.management.RuntimeMXBean;
+import java.net.HttpURLConnection;
+import java.net.InetAddress;
+import java.net.URL;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.logging.Level;
+import java.util.zip.GZIPOutputStream;
+
+import static co.aikar.timings.TimingsManager.HISTORY;
+import static co.aikar.util.JSONUtil.appendObjectData;
+import static co.aikar.util.JSONUtil.createObject;
+import static co.aikar.util.JSONUtil.pair;
+import static co.aikar.util.JSONUtil.toArray;
+import static co.aikar.util.JSONUtil.toArrayMapper;
+import static co.aikar.util.JSONUtil.toObjectMapper;
+
+@SuppressWarnings({"rawtypes", "SuppressionAnnotation"})
+public class TimingsExport extends Thread {
+
+    private final TimingsReportListener listeners;
+    private final Map out;
+    private final TimingHistory[] history;
+    private static long lastReport = 0;
+
+    private TimingsExport(TimingsReportListener listeners, Map out, TimingHistory[] history) {
+        super("Timings paste thread");
+        this.listeners = listeners;
+        this.out = out;
+        this.history = history;
+    }
+
+    /**
+     * Checks if any pending reports are being requested, and builds one if needed.
+     */
+    public static void reportTimings() {
+        if (Timings.requestingReport.isEmpty()) {
+            return;
+        }
+        TimingsReportListener listeners = new TimingsReportListener(Timings.requestingReport);
+        listeners.addConsoleIfNeeded();
+
+        Timings.requestingReport.clear();
+        long now = System.currentTimeMillis();
+        final long lastReportDiff = now - lastReport;
+        if (lastReportDiff < 60000) {
+            listeners.sendMessage(ChatColor.RED + "Please wait at least 1 minute in between Timings reports. (" + (int)((60000 - lastReportDiff) / 1000) + " seconds)");
+            listeners.done();
+            return;
+        }
+        final long lastStartDiff = now - TimingsManager.timingStart;
+        if (lastStartDiff < 180000) {
+            listeners.sendMessage(ChatColor.RED + "Please wait at least 3 minutes before generating a Timings report. Unlike Timings v1, v2 benefits from longer timings and is not as useful with short timings. (" + (int)((180000 - lastStartDiff) / 1000) + " seconds)");
+            listeners.done();
+            return;
+        }
+        listeners.sendMessage(ChatColor.GREEN + "Preparing Timings Report...");
+        lastReport = now;
+        Map parent = createObject(
+            // Get some basic system details about the server
+            pair("version", Bukkit.getVersion()),
+            pair("maxplayers", Bukkit.getMaxPlayers()),
+            pair("start", TimingsManager.timingStart / 1000),
+            pair("end", System.currentTimeMillis() / 1000),
+            pair("online-mode", Bukkit.getServer().getOnlineMode()),
+            pair("sampletime", (System.currentTimeMillis() - TimingsManager.timingStart) / 1000),
+            pair("datapacks", toArrayMapper(MinecraftServer.getServer().getPackRepository().getSelectedPacks(), pack -> {
+                return ChatColor.stripColor(CraftChatMessage.fromComponent(pack.getChatLink(true)));
+            }))
+        );
+        if (!TimingsManager.privacy) {
+            appendObjectData(parent,
+                pair("server", Bukkit.getUnsafe().getTimingsServerName()),
+                pair("motd", Bukkit.getServer().getMotd()),
+                pair("icon", Bukkit.getServer().getServerIcon().getData())
+            );
+        }
+
+        final Runtime runtime = Runtime.getRuntime();
+        RuntimeMXBean runtimeBean = ManagementFactory.getRuntimeMXBean();
+
+        OperatingSystemMXBean osInfo = ManagementFactory.getOperatingSystemMXBean();
+
+        parent.put("system", createObject(
+                pair("timingcost", getCost()),
+                pair("loadavg", osInfo.getSystemLoadAverage()),
+                pair("name", System.getProperty("os.name")),
+                pair("version", System.getProperty("os.version")),
+                pair("jvmversion", System.getProperty("java.version")),
+                pair("arch", System.getProperty("os.arch")),
+                pair("maxmem", runtime.maxMemory()),
+                pair("memory", createObject(
+                    pair("heap", ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().toString()),
+                    pair("nonheap", ManagementFactory.getMemoryMXBean().getNonHeapMemoryUsage().toString()),
+                    pair("finalizing", ManagementFactory.getMemoryMXBean().getObjectPendingFinalizationCount())
+                )),
+                pair("cpu", runtime.availableProcessors()),
+                pair("runtime", runtimeBean.getUptime()),
+                pair("flags", StringUtils.join(runtimeBean.getInputArguments(), " ")),
+                pair("gc", toObjectMapper(ManagementFactory.getGarbageCollectorMXBeans(), input -> pair(input.getName(), toArray(input.getCollectionCount(), input.getCollectionTime()))))
+            )
+        );
+
+        parent.put("worlds", toObjectMapper(MinecraftServer.getServer().getAllLevels(), world -> {
+            if (world.getWorld().getName().equals("worldeditregentempworld")) return null;
+            return pair(world.getWorld().getName(), createObject(
+                pair("gamerules", toObjectMapper(world.getWorld().getGameRules(), rule -> {
+                    return pair(rule, world.getWorld().getGameRuleValue(rule));
+                })),
+                pair("ticking-distance", world.getChunkSource().chunkMap.getEffectiveViewDistance())
+            ));
+        }));
+
+        Set<Material> tileEntityTypeSet = Sets.newHashSet();
+        Set<EntityType> entityTypeSet = Sets.newHashSet();
+
+        int size = HISTORY.size();
+        TimingHistory[] history = new TimingHistory[size + 1];
+        int i = 0;
+        for (TimingHistory timingHistory : HISTORY) {
+            tileEntityTypeSet.addAll(timingHistory.tileEntityTypeSet);
+            entityTypeSet.addAll(timingHistory.entityTypeSet);
+            history[i++] = timingHistory;
+        }
+
+        history[i] = new TimingHistory(); // Current snapshot
+        tileEntityTypeSet.addAll(history[i].tileEntityTypeSet);
+        entityTypeSet.addAll(history[i].entityTypeSet);
+
+
+        Map handlers = createObject();
+        Map groupData;
+        synchronized (TimingIdentifier.GROUP_MAP) {
+            for (TimingIdentifier.TimingGroup group : TimingIdentifier.GROUP_MAP.values()) {
+                synchronized (group.handlers) {
+                    for (TimingHandler id : group.handlers) {
+
+                        if (!id.isTimed() && !id.isSpecial()) {
+                            continue;
+                        }
+
+                        String name = id.identifier.name;
+                        if (name.startsWith("##")) {
+                            name = name.substring(3);
+                        }
+                        handlers.put(id.id, toArray(
+                            group.id,
+                            name
+                        ));
+                    }
+                }
+            }
+
+            groupData = toObjectMapper(
+                TimingIdentifier.GROUP_MAP.values(), group -> pair(group.id, group.name));
+        }
+
+        parent.put("idmap", createObject(
+            pair("groups", groupData),
+            pair("handlers", handlers),
+            pair("worlds", toObjectMapper(TimingHistory.worldMap.entrySet(), input -> pair(input.getValue(), input.getKey()))),
+            pair("tileentity",
+                toObjectMapper(tileEntityTypeSet, input -> pair(input.ordinal(), input.name()))),
+            pair("entity",
+                toObjectMapper(entityTypeSet, input -> pair(input.ordinal(), input.name())))
+        ));
+
+        // Information about loaded plugins
+
+        parent.put("plugins", toObjectMapper(Bukkit.getPluginManager().getPlugins(),
+                plugin -> pair(plugin.getName(), createObject(
+                    pair("version", plugin.getDescription().getVersion()),
+                    pair("description", String.valueOf(plugin.getDescription().getDescription()).trim()),
+                    pair("website", plugin.getDescription().getWebsite()),
+                    pair("authors", StringUtils.join(plugin.getDescription().getAuthors(), ", "))
+                ))));
+
+
+
+        // Information on the users Config
+
+        parent.put("config", createObject(
+            pair("spigot", mapAsJSON(Bukkit.spigot().getSpigotConfig(), null)),
+            pair("bukkit", mapAsJSON(Bukkit.spigot().getBukkitConfig(), null)),
+            pair("paper", mapAsJSON(Bukkit.spigot().getPaperConfig(), null))
+        ));
+
+        new TimingsExport(listeners, parent, history).start();
+    }
+
+    static long getCost() {
+        // Benchmark the users System.nanotime() for cost basis
+        int passes = 100;
+        TimingHandler SAMPLER1 = Timings.ofSafe("Timings Sampler 1");
+        TimingHandler SAMPLER2 = Timings.ofSafe("Timings Sampler 2");
+        TimingHandler SAMPLER3 = Timings.ofSafe("Timings Sampler 3");
+        TimingHandler SAMPLER4 = Timings.ofSafe("Timings Sampler 4");
+        TimingHandler SAMPLER5 = Timings.ofSafe("Timings Sampler 5");
+        TimingHandler SAMPLER6 = Timings.ofSafe("Timings Sampler 6");
+
+        long start = System.nanoTime();
+        for (int i = 0; i < passes; i++) {
+            SAMPLER1.startTiming();
+            SAMPLER2.startTiming();
+            SAMPLER3.startTiming();
+            SAMPLER3.stopTiming();
+            SAMPLER4.startTiming();
+            SAMPLER5.startTiming();
+            SAMPLER6.startTiming();
+            SAMPLER6.stopTiming();
+            SAMPLER5.stopTiming();
+            SAMPLER4.stopTiming();
+            SAMPLER2.stopTiming();
+            SAMPLER1.stopTiming();
+        }
+        long timingsCost = (System.nanoTime() - start) / passes / 6;
+        SAMPLER1.reset(true);
+        SAMPLER2.reset(true);
+        SAMPLER3.reset(true);
+        SAMPLER4.reset(true);
+        SAMPLER5.reset(true);
+        SAMPLER6.reset(true);
+        return timingsCost;
+    }
+
+    private static JSONObject mapAsJSON(ConfigurationSection config, String parentKey) {
+
+        JSONObject object = new JSONObject();
+        for (String key : config.getKeys(false)) {
+            String fullKey = (parentKey != null ? parentKey + "." + key : key);
+            if (fullKey.equals("database") || fullKey.equals("settings.bungeecord-addresses") || TimingsManager.hiddenConfigs.contains(fullKey) || key.startsWith("seed-") || key.equals("worldeditregentempworld")) {
+                continue;
+            }
+            final Object val = config.get(key);
+
+            object.put(key, valAsJSON(val, fullKey));
+        }
+        return object;
+    }
+
+    private static Object valAsJSON(Object val, final String parentKey) {
+        if (!(val instanceof MemorySection)) {
+            if (val instanceof List) {
+                Iterable<Object> v = (Iterable<Object>) val;
+                return toArrayMapper(v, input -> valAsJSON(input, parentKey));
+            } else {
+                return String.valueOf(val);
+            }
+        } else {
+            return mapAsJSON((ConfigurationSection) val, parentKey);
+        }
+    }
+
+    @Override
+    public void run() {
+        out.put("data", toArrayMapper(history, TimingHistory::export));
+
+
+        String response = null;
+        String timingsURL = null;
+        try {
+            HttpURLConnection con = (HttpURLConnection) new URL(TimingsManager.url + "post").openConnection();
+            con.setDoOutput(true);
+            String hostName = "BrokenHost";
+            try {
+                hostName = InetAddress.getLocalHost().getHostName();
+            } catch (Exception ignored) {}
+            con.setRequestProperty("User-Agent", "Paper/" + Bukkit.getUnsafe().getTimingsServerName() + "/" + hostName);
+            con.setRequestMethod("POST");
+            con.setInstanceFollowRedirects(false);
+
+            OutputStream request = new GZIPOutputStream(con.getOutputStream()) {{
+                this.def.setLevel(7);
+            }};
+
+            request.write(JSONValue.toJSONString(out).getBytes("UTF-8"));
+            request.close();
+
+            response = getResponse(con);
+
+            if (con.getResponseCode() != 302) {
+                listeners.sendMessage(
+                    ChatColor.RED + "Upload Error: " + con.getResponseCode() + ": " + con.getResponseMessage());
+                listeners.sendMessage(ChatColor.RED + "Check your logs for more information");
+                if (response != null) {
+                    Bukkit.getLogger().log(Level.SEVERE, response);
+                }
+                return;
+            }
+
+            timingsURL = con.getHeaderField("Location");
+            listeners.sendMessage(ChatColor.GREEN + "View Timings Report: " + timingsURL);
+
+            if (response != null && !response.isEmpty()) {
+                Bukkit.getLogger().log(Level.INFO, "Timing Response: " + response);
+            }
+        } catch (IOException ex) {
+            listeners.sendMessage(ChatColor.RED + "Error uploading timings, check your logs for more information");
+            if (response != null) {
+                Bukkit.getLogger().log(Level.SEVERE, response);
+            }
+            Bukkit.getLogger().log(Level.SEVERE, "Could not paste timings", ex);
+        } finally {
+            this.listeners.done(timingsURL);
+        }
+    }
+
+    private String getResponse(HttpURLConnection con) throws IOException {
+        InputStream is = null;
+        try {
+            is = con.getInputStream();
+            ByteArrayOutputStream bos = new ByteArrayOutputStream();
+
+            byte[] b = new byte[1024];
+            int bytesRead;
+            while ((bytesRead = is.read(b)) != -1) {
+                bos.write(b, 0, bytesRead);
+            }
+            return bos.toString();
+
+        } catch (IOException ex) {
+            listeners.sendMessage(ChatColor.RED + "Error uploading timings, check your logs for more information");
+            Bukkit.getLogger().log(Level.WARNING, con.getResponseMessage(), ex);
+            return null;
+        } finally {
+            if (is != null) {
+                is.close();
+            }
+        }
+    }
+}
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 0000000000000000000000000000000000000000..0fda52841b5e1643efeda92106124998abc4e0aa
--- /dev/null
+++ b/src/main/java/co/aikar/timings/WorldTimingsHandler.java
@@ -0,0 +1,119 @@
+package co.aikar.timings;
+
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.storage.PrimaryLevelData;
+
+/**
+ * Set of timers per world, to track world specific timings.
+ */
+// TODO: Re-implement missing timers
+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 chunks;
+    public final Timing newEntities;
+    public final Timing raids;
+    public final Timing chunkProviderTick;
+    public final Timing broadcastChunkUpdates;
+    public final Timing countNaturalMobs;
+
+    public final Timing chunkLoad;
+    public final Timing chunkLoadPopulate;
+    public final Timing syncChunkLoad;
+    public final Timing chunkLoadLevelTimer;
+    public final Timing chunkIO;
+    public final Timing chunkPostLoad;
+    public final Timing worldSave;
+    public final Timing worldSaveChunks;
+    public final Timing worldSaveLevel;
+    public final Timing chunkSaveData;
+
+
+    public final Timing miscMobSpawning;
+
+    public WorldTimingsHandler(Level server) {
+        String name = ((PrimaryLevelData) server.getLevelData()).getLevelName() + " - ";
+
+        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");
+
+        chunkLoad = Timings.ofSafe(name + "Chunk Load");
+        chunkLoadPopulate = Timings.ofSafe(name + "Chunk Load - Populate");
+        syncChunkLoad = Timings.ofSafe(name + "Sync Chunk Load");
+        chunkLoadLevelTimer = Timings.ofSafe(name + "Chunk Load - Load Level");
+        chunkIO = Timings.ofSafe(name + "Chunk Load - DiskIO");
+        chunkPostLoad = Timings.ofSafe(name + "Chunk Load - 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");
+
+        chunks = Timings.ofSafe(name + "Chunks");
+        newEntities = Timings.ofSafe(name + "New entity registration");
+        raids = Timings.ofSafe(name + "Raids");
+        chunkProviderTick = Timings.ofSafe(name + "Chunk provider tick");
+        broadcastChunkUpdates = Timings.ofSafe(name + "Broadcast chunk updates");
+        countNaturalMobs = Timings.ofSafe(name + "Count natural mobs");
+
+
+        miscMobSpawning = Timings.ofSafe(name + "Mob spawning - Misc");
+    }
+
+    public static Timing getTickList(ServerLevel worldserver, String timingsType) {
+        return Timings.ofSafe(((PrimaryLevelData) worldserver.getLevelData()).getLevelName() + " - Scheduled " + timingsType);
+    }
+}
diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
index 99ad5dfe52534048078a386020c4f3f277020107..997041d4bc1cd6be97a2d403723eded7eda60351 100644
--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
@@ -14,12 +14,15 @@ 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.ConfigurationSection;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
+import co.aikar.timings.Timings;
+import co.aikar.timings.TimingsManager;
 
 public class PaperConfig {
 
@@ -188,4 +191,35 @@ public class PaperConfig {
         config.addDefault(path, def);
         return config.getString(path, config.getString(path));
     }
+
+    public static String timingsServerName;
+    private static void timings() {
+        boolean timings = getBoolean("timings.enabled", true);
+        boolean verboseTimings = getBoolean("timings.verbose", true);
+        TimingsManager.url = getString("timings.url", "https://timings.aikar.co/");
+        if (!TimingsManager.url.endsWith("/")) {
+            TimingsManager.url += "/";
+        }
+        TimingsManager.privacy = getBoolean("timings.server-name-privacy", false);
+        TimingsManager.hiddenConfigs = getList("timings.hidden-config-entries", Lists.newArrayList("database", "settings.bungeecord-addresses", "settings.velocity-support.secret"));
+        if (!TimingsManager.hiddenConfigs.contains("settings.velocity-support.secret")) {
+            TimingsManager.hiddenConfigs.add("settings.velocity-support.secret");
+        }
+        int timingHistoryInterval = getInt("timings.history-interval", 300);
+        int timingHistoryLength = getInt("timings.history-length", 3600);
+        timingsServerName = getString("timings.server-name", "Unknown Server");
+
+
+        Timings.setVerboseTimingsEnabled(verboseTimings);
+        Timings.setTimingsEnabled(timings);
+        Timings.setHistoryInterval(timingHistoryInterval * 20);
+        Timings.setHistoryLength(timingHistoryLength * 20);
+
+        log("Timings: " + timings +
+                " - Url: " + TimingsManager.url +
+                " - Verbose: " + verboseTimings +
+                " - Interval: " + timeSummary(Timings.getHistoryInterval() / 20) +
+                " - Length: " + timeSummary(Timings.getHistoryLength() / 20) +
+                " - Server Name: " + timingsServerName);
+    }
 }
diff --git a/src/main/java/net/minecraft/commands/CommandFunction.java b/src/main/java/net/minecraft/commands/CommandFunction.java
index ca1a9884ab09fc7e575b1d30e2dd0aaff324fb73..b94038e2da0f986403c1ec9b27384344e2bb22f0 100644
--- a/src/main/java/net/minecraft/commands/CommandFunction.java
+++ b/src/main/java/net/minecraft/commands/CommandFunction.java
@@ -16,6 +16,15 @@ import net.minecraft.server.ServerFunctionManager;
 public class CommandFunction {
     private final CommandFunction.Entry[] entries;
     final ResourceLocation id;
+    // 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 CommandFunction(ResourceLocation id, CommandFunction.Entry[] elements) {
         this.id = id;
diff --git a/src/main/java/net/minecraft/network/protocol/PacketUtils.java b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
index b3a6aeba2363d283f03982cf749f25cfa11a5052..449f1b2f5dca350dc0912e14c8c2bf3eb4652b92 100644
--- a/src/main/java/net/minecraft/network/protocol/PacketUtils.java
+++ b/src/main/java/net/minecraft/network/protocol/PacketUtils.java
@@ -3,6 +3,8 @@ package net.minecraft.network.protocol;
 import net.minecraft.network.PacketListener;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import co.aikar.timings.MinecraftTimings; // Paper
+import co.aikar.timings.Timing; // Paper
 
 // CraftBukkit start
 import net.minecraft.server.MinecraftServer;
@@ -23,10 +25,13 @@ public class PacketUtils {
 
     public static <T extends PacketListener> void ensureRunningOnSameThread(Packet<T> packet, T listener, BlockableEventLoop<?> engine) throws RunningOnDifferentThreadException {
         if (!engine.isSameThread()) {
+            Timing timing = MinecraftTimings.getPacketTiming(packet); // Paper - timings
             engine.execute(() -> {
                 if (MinecraftServer.getServer().hasStopped() || (listener instanceof ServerGamePacketListenerImpl && ((ServerGamePacketListenerImpl) listener).processedDisconnect)) return; // CraftBukkit, MC-142590
                 if (listener.getConnection().isConnected()) {
+                    try (Timing ignored = timing.startTiming()) { // Paper - timings
                     packet.handle(listener);
+                    } // Paper - timings
                 } else {
                     PacketUtils.LOGGER.debug("Ignoring packet due to disconnection: {}", packet);
                 }
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 571e57affcf81151550184b45934ae810885145f..fcc775723bcef7c6b740ee332c21ef70e591c77e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -180,7 +180,7 @@ import org.bukkit.craftbukkit.Main;
 import org.bukkit.event.server.ServerLoadEvent;
 // CraftBukkit end
 
-import org.bukkit.craftbukkit.SpigotTimings; // Spigot
+import co.aikar.timings.MinecraftTimings; // Paper
 import org.spigotmc.SlackActivityAccountant; // Spigot
 
 public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTask> implements SnooperPopulator, CommandSource, AutoCloseable {
@@ -895,6 +895,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         }
         // CraftBukkit end
         MinecraftServer.LOGGER.info("Stopping server");
+        MinecraftTimings.stopServer(); // Paper
         // CraftBukkit start
         if (this.server != null) {
             this.server.disablePlugins();
@@ -1097,9 +1098,21 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
 
     private boolean haveTime() {
         // CraftBukkit start
+        if (isOversleep) return canOversleep();// Paper - because of our changes, this logic is broken
         return this.forceTicks || this.runningTask() || Util.getMillis() < (this.mayHaveDelayedTasks ? this.delayedTasksMaxNextTickTime : this.nextTickTime);
     }
 
+    // Paper start
+    boolean isOversleep = false;
+    private boolean canOversleep() {
+        return this.mayHaveDelayedTasks && Util.getMillis() < this.delayedTasksMaxNextTickTime;
+    }
+
+    private boolean canSleepForTickNoOversleep() {
+        return this.forceTicks || this.runningTask() || Util.getMillis() < this.nextTickTime;
+    }
+    // Paper end
+
     private void executeModerately() {
         this.runAllTasks();
         java.util.concurrent.locks.LockSupport.parkNanos("executing tasks", 1000L);
@@ -1107,9 +1120,9 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
     // CraftBukkit end
 
     protected void waitUntilNextTick() {
-        this.runAllTasks();
+        //this.executeAll(); // Paper - move this into the tick method for timings
         this.managedBlock(() -> {
-            return !this.haveTime();
+            return !this.canSleepForTickNoOversleep(); // Paper - move oversleep into full server tick
         });
     }
 
@@ -1195,10 +1208,18 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
     public void onServerExit() {}
 
     public void tickServer(BooleanSupplier shouldKeepTicking) {
-        SpigotTimings.serverTickTimer.startTiming(); // Spigot
+        co.aikar.timings.TimingsManager.FULL_SERVER_TICK.startTiming(); // Paper
         this.slackActivityAccountant.tickStarted(); // Spigot
         long i = Util.getNanos();
 
+        // Paper start - move oversleep into full server tick
+        isOversleep = true;MinecraftTimings.serverOversleep.startTiming();
+        this.managedBlock(() -> {
+            return !this.canOversleep();
+        });
+        isOversleep = false;MinecraftTimings.serverOversleep.stopTiming();
+        // Paper end
+
         ++this.tickCount;
         this.tickChildren(shouldKeepTicking);
         if (i - this.lastServerStatus >= 5000000000L) {
@@ -1216,14 +1237,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         }
 
         if (this.autosavePeriod > 0 && this.tickCount % this.autosavePeriod == 0) { // CraftBukkit
-            SpigotTimings.worldSaveTimer.startTiming(); // Spigot
             MinecraftServer.LOGGER.debug("Autosave started");
             this.profiler.push("save");
             this.playerList.saveAll();
             this.saveAllChunks(true, false, false);
             this.profiler.pop();
             MinecraftServer.LOGGER.debug("Autosave finished");
-            SpigotTimings.worldSaveTimer.stopTiming(); // Spigot
         }
 
         this.profiler.push("snooper");
@@ -1236,6 +1255,13 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         }
 
         this.profiler.pop();
+
+        // Paper start - move executeAll() into full server tick timing
+        try (co.aikar.timings.Timing ignored = MinecraftTimings.processTasksTimer.startTiming()) {
+            this.runAllTasks();
+        }
+        // Paper end
+
         this.profiler.push("tallying");
         long l = this.tickTimes[this.tickCount % 100] = Util.getNanos() - i;
 
@@ -1246,30 +1272,29 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         this.profiler.pop();
         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 tickChildren(BooleanSupplier shouldKeepTicking) {
-        SpigotTimings.schedulerTimer.startTiming(); // Spigot
+        MinecraftTimings.bukkitSchedulerTimer.startTiming(); // Spigot // Paper
         this.server.getScheduler().mainThreadHeartbeat(this.tickCount); // CraftBukkit
-        SpigotTimings.schedulerTimer.stopTiming(); // Spigot
+        MinecraftTimings.bukkitSchedulerTimer.stopTiming(); // Spigot // Paper
         this.profiler.push("commandFunctions");
-        SpigotTimings.commandFunctionsTimer.startTiming(); // Spigot
+        MinecraftTimings.commandFunctionsTimer.startTiming(); // Spigot // Paper
         this.getFunctions().tick();
-        SpigotTimings.commandFunctionsTimer.stopTiming(); // Spigot
+        MinecraftTimings.commandFunctionsTimer.stopTiming(); // Spigot // Paper
         this.profiler.popPush("levels");
         Iterator iterator = this.getAllLevels().iterator();
 
         // CraftBukkit start
         // Run tasks that are waiting on processing
-        SpigotTimings.processQueueTimer.startTiming(); // Spigot
+        MinecraftTimings.processQueueTimer.startTiming(); // Spigot
         while (!this.processQueue.isEmpty()) {
             this.processQueue.remove().run();
         }
-        SpigotTimings.processQueueTimer.stopTiming(); // Spigot
+        MinecraftTimings.processQueueTimer.stopTiming(); // Spigot
 
-        SpigotTimings.timeUpdateTimer.startTiming(); // Spigot
+        MinecraftTimings.timeUpdateTimer.startTiming(); // Spigot // Paper
         // Send time updates to everyone, it will get the right time from the world the player is in.
         if (this.tickCount % 20 == 0) {
             for (int i = 0; i < this.getPlayerList().players.size(); ++i) {
@@ -1277,7 +1302,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
                 entityplayer.connection.send(new ClientboundSetTimePacket(entityplayer.level.getGameTime(), entityplayer.getPlayerTime(), entityplayer.level.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT))); // Add support for per player time
             }
         }
-        SpigotTimings.timeUpdateTimer.stopTiming(); // Spigot
+        MinecraftTimings.timeUpdateTimer.stopTiming(); // Spigot // Paper
 
         while (iterator.hasNext()) {
             ServerLevel worldserver = (ServerLevel) iterator.next();
@@ -1318,24 +1343,24 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
         }
 
         this.profiler.popPush("connection");
-        SpigotTimings.connectionTimer.startTiming(); // Spigot
+        MinecraftTimings.connectionTimer.startTiming(); // Spigot
         this.getConnection().tick();
-        SpigotTimings.connectionTimer.stopTiming(); // Spigot
+        MinecraftTimings.connectionTimer.stopTiming(); // Spigot
         this.profiler.popPush("players");
-        SpigotTimings.playerListTimer.startTiming(); // Spigot
+        MinecraftTimings.playerListTimer.startTiming(); // Spigot // Paper
         this.playerList.tick();
-        SpigotTimings.playerListTimer.stopTiming(); // Spigot
+        MinecraftTimings.playerListTimer.stopTiming(); // Spigot // Paper
         if (SharedConstants.IS_RUNNING_IN_IDE) {
             GameTestTicker.SINGLETON.tick();
         }
 
         this.profiler.popPush("server gui refresh");
 
-        SpigotTimings.tickablesTimer.startTiming(); // Spigot
+        MinecraftTimings.tickablesTimer.startTiming(); // Spigot // Paper
         for (int i = 0; i < this.tickables.size(); ++i) {
             ((Runnable) this.tickables.get(i)).run();
         }
-        SpigotTimings.tickablesTimer.stopTiming(); // Spigot
+        MinecraftTimings.tickablesTimer.stopTiming(); // Spigot // Paper
 
         this.profiler.pop();
     }
diff --git a/src/main/java/net/minecraft/server/ServerFunctionManager.java b/src/main/java/net/minecraft/server/ServerFunctionManager.java
index b0ff982603e61805e3a0426aa8376330c73d9cf4..cf711f7fecdab70ff2ee48c87a3a1f0845832b74 100644
--- a/src/main/java/net/minecraft/server/ServerFunctionManager.java
+++ b/src/main/java/net/minecraft/server/ServerFunctionManager.java
@@ -90,7 +90,7 @@ public class ServerFunctionManager {
         } else {
             int i;
 
-            try {
+            try (co.aikar.timings.Timing timing = function.getTiming().startTiming()) { // Paper
                 this.context = new ServerFunctionManager.ExecutionContext(tracer);
                 i = this.context.runTopCommand(function, source);
             } finally {
diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index fac993d58bd6e3bb19fd69881092a863c8952c65..2b062beaad39f2e86801fdd5b0cc84b253f1348a 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -67,8 +67,9 @@ import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.io.IoBuilder;
 import org.bukkit.command.CommandSender;
-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;
 // CraftBukkit end
 
@@ -467,7 +468,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
     }
 
     public void handleConsoleInputs() {
-        SpigotTimings.serverCommandTimer.startTiming(); // Spigot
+        MinecraftTimings.serverCommandTimer.startTiming(); // Spigot
         while (!this.consoleInput.isEmpty()) {
             ConsoleInput servercommand = (ConsoleInput) this.consoleInput.remove(0);
 
@@ -482,7 +483,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
             // CraftBukkit end
         }
 
-        SpigotTimings.serverCommandTimer.stopTiming(); // Spigot
+        MinecraftTimings.serverCommandTimer.stopTiming(); // Spigot
     }
 
     @Override
@@ -713,6 +714,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
 
     @Override
     public String runCommand(String command) {
+        Waitable[] waitableArray = new Waitable[1];
         this.rconConsoleSource.prepareForCommand();
         this.executeBlocking(() -> {
             // CraftBukkit start - fire RemoteServerCommandEvent
@@ -721,10 +723,39 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
             if (event.isCancelled()) {
                 return;
             }
+            // Paper start
+            if (command.toLowerCase().startsWith("timings") && command.toLowerCase().matches("timings (report|paste|get|merged|seperate)")) {
+                org.bukkit.command.BufferedCommandSender sender = new org.bukkit.command.BufferedCommandSender();
+                Waitable<String> waitable = new Waitable<String>() {
+                    @Override
+                    protected String evaluate() {
+                        return sender.getBuffer();
+                    }
+                };
+                waitableArray[0] = waitable;
+                co.aikar.timings.Timings.generateReport(new co.aikar.timings.TimingsReportListener(sender, waitable));
+            } else {
+            // Paper end
             ConsoleInput serverCommand = new ConsoleInput(event.getCommand(), this.rconConsoleSource.createCommandSourceStack());
             server.dispatchServerCommand(remoteConsole, serverCommand);
+            } // Paper
             // CraftBukkit end
         });
+        // Paper start
+        if (waitableArray[0] != null) {
+            //noinspection unchecked
+            Waitable<String> waitable = waitableArray[0];
+            try {
+                return waitable.get();
+            } catch (java.util.concurrent.ExecutionException e) {
+                throw new RuntimeException("Exception processing rcon command " + command, e.getCause());
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt(); // Maintain interrupted state
+                throw new RuntimeException("Interrupted processing rcon command " + command, e);
+            }
+
+        }
+        // Paper end
         return this.rconConsoleSource.getCommandResponse();
     }
 
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index 2b62f4664f439808661d559dc99762bfbac09b16..4788946d7fb25c1b0f26e6a038924c4a62978d53 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -1,7 +1,9 @@
 package net.minecraft.server.level;
 
+import co.aikar.timings.Timing; // Paper
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
+import com.google.common.collect.ComparisonChain; // Paper
 import com.google.common.collect.Lists;
 import com.google.common.collect.Queues;
 import com.google.common.collect.Sets;
@@ -580,11 +582,14 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
 
     private CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> scheduleChunkLoad(ChunkPos pos) {
         return CompletableFuture.supplyAsync(() -> {
-            try {
+            try (Timing ignored = this.level.timings.chunkLoad.startTimingIfSync()) { // Paper
                 this.level.getProfiler().incrementCounter("chunkLoad");
-                CompoundTag nbttagcompound = this.readChunk(pos);
+                CompoundTag nbttagcompound; // Paper
+                try (Timing ignored2 = this.level.timings.chunkIO.startTimingIfSync()) { // Paper start - timings
+                    nbttagcompound = this.readChunk(pos);
+                } // Paper end
 
-                if (nbttagcompound != null) {
+                if (nbttagcompound != null) {try (Timing ignored2 = this.level.timings.chunkLoadLevelTimer.startTimingIfSync()) { // Paper start - timings
                     boolean flag = nbttagcompound.contains("Level", 10) && nbttagcompound.getCompound("Level").contains("Status", 8);
 
                     if (flag) {
@@ -595,7 +600,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
                     }
 
                     ChunkMap.LOGGER.error("Chunk file at {} is missing level data, skipping", pos);
-                }
+                }} // Paper
             } catch (ReportedException reportedexception) {
                 Throwable throwable = reportedexception.getCause();
 
@@ -709,6 +714,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
             ChunkStatus chunkstatus = ChunkHolder.getStatus(playerchunk.getTicketLevel());
 
             return !chunkstatus.isOrAfter(ChunkStatus.FULL) ? ChunkHolder.UNLOADED_CHUNK : either.mapLeft((ichunkaccess) -> {
+            try (Timing ignored = level.timings.chunkPostLoad.startTimingIfSync()) { // Paper
                 ChunkPos chunkcoordintpair = playerchunk.getPos();
                 ProtoChunk protochunk = (ProtoChunk) ichunkaccess;
                 LevelChunk chunk;
@@ -732,6 +738,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
                 }
 
                 return chunk;
+                } // Paper
             });
         }, (runnable) -> {
             ProcessorHandle mailbox = this.mainThreadMailbox;
@@ -1189,6 +1196,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
 
         ChunkMap.TrackedEntity playerchunkmap_entitytracker;
         ObjectIterator objectiterator;
+        level.timings.tracker1.startTiming(); // Paper
 
         for (objectiterator = this.entityMap.values().iterator(); objectiterator.hasNext(); playerchunkmap_entitytracker.serverEntity.sendChanges()) {
             playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) objectiterator.next();
@@ -1206,16 +1214,20 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
                 playerchunkmap_entitytracker.lastSectionPos = sectionposition1;
             }
         }
+        level.timings.tracker1.stopTiming(); // Paper
 
         if (!list.isEmpty()) {
             objectiterator = this.entityMap.values().iterator();
 
+            level.timings.tracker2.startTiming(); // Paper
             while (objectiterator.hasNext()) {
                 playerchunkmap_entitytracker = (ChunkMap.TrackedEntity) objectiterator.next();
                 playerchunkmap_entitytracker.updatePlayers(list);
             }
+            level.timings.tracker2.stopTiming(); // Paper
         }
 
+
     }
 
     public void broadcast(Entity entity, Packet<?> packet) {
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index 8513490230f5fae0042f536b69b401efca995293..c5bffd1b40ca9ae3c973044c1ad4947ba2c285ae 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -348,13 +348,15 @@ public class ServerChunkCache extends ChunkSource {
             }
 
             gameprofilerfiller.incrementCounter("getChunkCacheMiss");
-            level.timings.syncChunkLoadTimer.startTiming(); // Spigot
             CompletableFuture<Either<ChunkAccess, ChunkHolder.ChunkLoadingFailure>> completablefuture = this.getChunkFutureMainThread(x, z, leastStatus, create);
             ServerChunkCache.MainThreadExecutor chunkproviderserver_a = this.mainThreadProcessor;
 
             Objects.requireNonNull(completablefuture);
+            if (!completablefuture.isDone()) { // Paper
+                this.level.timings.syncChunkLoad.startTiming(); // Paper
             chunkproviderserver_a.managedBlock(completablefuture::isDone);
-            level.timings.syncChunkLoadTimer.stopTiming(); // Spigot
+                this.level.timings.syncChunkLoad.stopTiming(); // Paper
+            } // Paper
             ichunkaccess = (ChunkAccess) ((Either) completablefuture.join()).map((ichunkaccess1) -> {
                 return ichunkaccess1;
             }, (playerchunk_failure) -> {
@@ -554,7 +556,9 @@ public class ServerChunkCache extends ChunkSource {
 
     public void save(boolean flush) {
         this.runDistanceManagerUpdates();
+        try (co.aikar.timings.Timing timed = level.timings.chunkSaveData.startTiming()) { // Paper - Timings
         this.chunkMap.saveAllChunks(flush);
+        } // Paper - Timings
     }
 
     @Override
@@ -592,7 +596,9 @@ public class ServerChunkCache extends ChunkSource {
         this.runDistanceManagerUpdates();
         this.level.timings.doChunkMap.stopTiming(); // Spigot
         this.level.getProfiler().popPush("chunks");
+        this.level.timings.chunks.startTiming(); // Paper - timings
         this.tickChunks();
+        this.level.timings.chunks.stopTiming(); // Paper - timings
         this.level.timings.doChunkUnload.startTiming(); // Spigot
         this.level.getProfiler().popPush("unload");
         this.chunkMap.tick(booleansupplier);
@@ -616,14 +622,17 @@ public class ServerChunkCache extends ChunkSource {
             boolean flag2 = level.ticksPerAnimalSpawns != 0L && worlddata.getGameTime() % level.ticksPerAnimalSpawns == 0L; // CraftBukkit
 
             this.level.getProfiler().push("naturalSpawnCount");
+            this.level.timings.countNaturalMobs.startTiming(); // Paper - timings
             int l = this.distanceManager.getNaturalSpawnChunkCount();
             NaturalSpawner.SpawnState spawnercreature_d = NaturalSpawner.createState(l, this.level.getAllEntities(), this::getFullChunk);
+            this.level.timings.countNaturalMobs.stopTiming(); // Paper - timings
 
             this.lastSpawnState = spawnercreature_d;
             this.level.getProfiler().pop();
             List<ChunkHolder> list = Lists.newArrayList(this.chunkMap.getChunks());
 
             Collections.shuffle(list);
+            this.level.timings.chunkTicks.startTiming(); // Paper
             list.forEach((playerchunk) -> {
                 Optional<LevelChunk> optional = ((Either) playerchunk.getTickingChunkFuture().getNow(ChunkHolder.UNLOADED_LEVEL_CHUNK)).left();
 
@@ -637,15 +646,18 @@ public class ServerChunkCache extends ChunkSource {
                             NaturalSpawner.spawnForChunk(this.level, chunk, spawnercreature_d, this.spawnFriendlies, this.spawnEnemies, flag2);
                         }
 
-                        this.level.timings.doTickTiles.startTiming(); // Spigot
+                        // this.level.timings.doTickTiles.startTiming(); // Spigot // Paper
                         this.level.tickChunk(chunk, k);
-                        this.level.timings.doTickTiles.stopTiming(); // Spigot
+                        // this.level.timings.doTickTiles.stopTiming(); // Spigot // Paper
                     }
                 }
             });
+            this.level.timings.chunkTicks.stopTiming(); // Paper
             this.level.getProfiler().push("customSpawners");
             if (flag1) {
+                try (co.aikar.timings.Timing ignored = this.level.timings.miscMobSpawning.startTiming()) { // Paper - timings
                 this.level.tickCustomSpawners(this.spawnEnemies, this.spawnFriendlies);
+                } // Paper - timings
             }
 
             this.level.getProfiler().popPush("broadcast");
@@ -653,15 +665,20 @@ public class ServerChunkCache extends ChunkSource {
                 Optional<LevelChunk> optional = ((Either) playerchunk.getTickingChunkFuture().getNow(ChunkHolder.UNLOADED_LEVEL_CHUNK)).left(); // CraftBukkit - decompile error
 
                 Objects.requireNonNull(playerchunk);
-                optional.ifPresent(playerchunk::broadcastChanges);
+
+                // Paper start - timings
+                optional.ifPresent(chunk -> {
+                    this.level.timings.broadcastChunkUpdates.startTiming(); // Paper - timings
+                    playerchunk.broadcastChanges(chunk);
+                    this.level.timings.broadcastChunkUpdates.stopTiming(); // Paper - timings
+                });
+                // Paper end
             });
             this.level.getProfiler().pop();
             this.level.getProfiler().pop();
         }
 
-        this.level.timings.tracker.startTiming(); // Spigot
         this.chunkMap.tick();
-        this.level.timings.tracker.stopTiming(); // Spigot
     }
 
     private void getFullChunk(long pos, Consumer<LevelChunk> chunkConsumer) {
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index 912c9b0c010436854fab7540b0c9cc63115e39a4..253d62b0da6bd59363a85139a5a5d5f11169466a 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -1,6 +1,8 @@
 package net.minecraft.server.level;
 
 import com.google.common.annotations.VisibleForTesting;
+import co.aikar.timings.TimingHistory; // Paper
+import co.aikar.timings.Timings; // Paper
 import com.google.common.collect.Lists;
 import com.mojang.datafixers.DataFixer;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
@@ -154,7 +156,6 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.bukkit.Bukkit;
 import org.bukkit.WeatherType;
-import org.bukkit.craftbukkit.SpigotTimings; // Spigot
 import org.bukkit.craftbukkit.event.CraftEventFactory;
 import org.bukkit.craftbukkit.util.WorldUUID;
 import org.bukkit.event.entity.CreatureSpawnEvent;
@@ -217,13 +218,13 @@ public class ServerLevel extends Level implements WorldGenLevel {
         DefaultedRegistry registryblocks = Registry.BLOCK;
 
         Objects.requireNonNull(registryblocks);
-        this.blockTicks = new ServerTickList<>(this, predicate, Registry.BLOCK::getKey, this::tickBlock); // CraftBukkit - decompile error
+        this.blockTicks = new ServerTickList<>(this, predicate, Registry.BLOCK::getKey, this::tickBlock, "Blocks"); // CraftBukkit - decompile error // Paper - Timings
         Predicate<Fluid> predicate2 = (fluidtype) -> { // CraftBukkit - decompile error
             return fluidtype == null || fluidtype == Fluids.EMPTY;
         };
         registryblocks = Registry.FLUID;
         Objects.requireNonNull(registryblocks);
-        this.liquidTicks = new ServerTickList<>(this, predicate2, Registry.FLUID::getKey, this::tickLiquid); // CraftBukkit - decompile error
+        this.liquidTicks = new ServerTickList<>(this, predicate2, Registry.FLUID::getKey, this::tickLiquid, "Fluids"); // CraftBukkit - decompile error // Paper - Timings
         this.navigatingMobs = new ObjectOpenHashSet();
         this.blockEvents = new ObjectLinkedOpenHashSet();
         this.dragonParts = new Int2ObjectOpenHashMap();
@@ -430,17 +431,21 @@ public class ServerLevel extends Level implements WorldGenLevel {
         this.updateSkyBrightness();
         this.tickTime();
         gameprofilerfiller.popPush("tickPending");
-        timings.doTickPending.startTiming(); // Spigot
+        timings.scheduledBlocks.startTiming(); // Paper
         if (!this.isDebug()) {
             this.blockTicks.tick();
             this.liquidTicks.tick();
         }
-        timings.doTickPending.stopTiming(); // Spigot
+        timings.scheduledBlocks.stopTiming(); // Paper
 
         gameprofilerfiller.popPush("raid");
+        this.timings.raids.startTiming(); // Paper - timings
         this.raids.tick();
+        this.timings.raids.stopTiming(); // Paper - timings
         gameprofilerfiller.popPush("chunkSource");
+        this.timings.chunkProviderTick.startTiming(); // Paper - timings
         this.getChunkSource().tick(shouldKeepTicking);
+        this.timings.chunkProviderTick.stopTiming(); // Paper - timings
         gameprofilerfiller.popPush("blockEvents");
         timings.doSounds.startTiming(); // Spigot
         this.runBlockEvents();
@@ -598,6 +603,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
         }
 
         gameprofilerfiller.popPush("tickBlocks");
+        timings.chunkTicksBlocks.startTiming(); // Paper
         if (randomTickSpeed > 0) {
             LevelChunkSection[] achunksection = chunk.getSections();
             int l = achunksection.length;
@@ -629,7 +635,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
                 }
             }
         }
-
+        timings.chunkTicksBlocks.stopTiming(); // Paper
         gameprofilerfiller.pop();
     }
 
@@ -755,14 +761,22 @@ public class ServerLevel extends Level implements WorldGenLevel {
     }
 
     public void tickNonPassenger(Entity entity) {
+        ++TimingHistory.entityTicks; // Paper - timings
         // Spigot start
+        co.aikar.timings.Timing timer; // Paper
         if (!org.spigotmc.ActivationRange.checkIfActive(entity)) {
             entity.tickCount++;
+            timer = entity.getType().inactiveTickTimer.startTiming(); try { // Paper - timings
             entity.inactiveTick();
+            } finally { timer.stopTiming(); } // Paper
             return;
         }
         // Spigot end
-        entity.tickTimer.startTiming(); // Spigot
+        // Paper start- timings
+        TimingHistory.activatedEntityTicks++;
+        timer = entity.getVehicle() != null ? entity.getType().passengerTickTimer.startTiming() : entity.getType().tickTimer.startTiming();
+        try {
+        // Paper end - timings
         entity.setOldPosAndRot();
         ProfilerFiller gameprofilerfiller = this.getProfiler();
 
@@ -781,7 +795,8 @@ public class ServerLevel extends Level implements WorldGenLevel {
 
             this.tickPassenger(entity, entity1);
         }
-        entity.tickTimer.stopTiming(); // Spigot
+
+        } finally { timer.stopTiming(); } // Paper - timings
 
     }
 
@@ -823,6 +838,7 @@ public class ServerLevel extends Level implements WorldGenLevel {
 
         if (!flag1) {
             org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit
+            try (co.aikar.timings.Timing ignored = timings.worldSave.startTiming()) { // Paper
             if (progressListener != null) {
                 progressListener.progressStartNoAbort(new TranslatableComponent("menu.savingLevel"));
             }
@@ -832,7 +848,10 @@ public class ServerLevel extends Level implements WorldGenLevel {
                 progressListener.progressStage(new TranslatableComponent("menu.savingChunks"));
             }
 
+                timings.worldSaveChunks.startTiming(); // Paper
             chunkproviderserver.save(flush);
+                timings.worldSaveChunks.stopTiming(); // Paper
+            }// Paper
             if (flush) {
                 this.entityManager.saveAll();
             } else {
diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
index d6bef66d1cc0e3915ca5a9b9d5fc6e645eb5a7de..401520c47e63c3d2055e320daaeb1e74b1f627e1 100644
--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
@@ -208,6 +208,7 @@ import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.InventoryView;
 import org.bukkit.inventory.SmithingInventory;
 import org.bukkit.util.NumberConversions;
+import co.aikar.timings.MinecraftTimings; // Paper
 // CraftBukkit end
 
 public class ServerGamePacketListenerImpl implements ServerPlayerConnection, ServerGamePacketListener {
@@ -287,7 +288,6 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
     // CraftBukkit end
 
     public void tick() {
-        org.bukkit.craftbukkit.SpigotTimings.playerConnectionTimer.startTiming(); // Spigot
         this.resetPosition();
         this.player.xo = this.player.getX();
         this.player.yo = this.player.getY();
@@ -363,7 +363,6 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
             this.player.resetLastActionTime(); // CraftBukkit - SPIGOT-854
             this.disconnect(new TranslatableComponent("multiplayer.disconnect.idling"));
         }
-        org.bukkit.craftbukkit.SpigotTimings.playerConnectionTimer.stopTiming(); // Spigot
 
     }
 
@@ -1909,7 +1908,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
     // CraftBukkit end
 
     private void handleCommand(String input) {
-        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.getScoreboardName() + " issued server command: " + input);
@@ -1920,7 +1919,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
         this.cserver.getPluginManager().callEvent(event);
 
         if (event.isCancelled()) {
-            org.bukkit.craftbukkit.SpigotTimings.playerCommandTimer.stopTiming(); // Spigot
+            MinecraftTimings.playerCommandTimer.stopTiming(); // Paper
             return;
         }
 
@@ -1933,7 +1932,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Ser
             java.util.logging.Logger.getLogger(ServerGamePacketListenerImpl.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/players/PlayerList.java b/src/main/java/net/minecraft/server/players/PlayerList.java
index 8c4744b3a3ebf73d31f59d1566320031550aa3bb..c731f22390773bcd43d392b86ae5b42b0da27c1f 100644
--- a/src/main/java/net/minecraft/server/players/PlayerList.java
+++ b/src/main/java/net/minecraft/server/players/PlayerList.java
@@ -1,5 +1,6 @@
 package net.minecraft.server.players;
 
+import co.aikar.timings.MinecraftTimings;
 import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
@@ -1010,10 +1011,11 @@ public abstract class PlayerList {
     }
 
     public void saveAll() {
+        MinecraftTimings.savePlayers.startTiming(); // Paper
         for (int i = 0; i < this.players.size(); ++i) {
             this.save((ServerPlayer) this.players.get(i));
         }
-
+        MinecraftTimings.savePlayers.stopTiming(); // Paper
     }
 
     public UserWhiteList getWhiteList() {
diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
index 01a5c95c40b39ba71add80f65359e390b9079f4e..11f9be795dc622f84866acf461cf3b3190b3d62c 100644
--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
@@ -126,7 +126,6 @@ import org.bukkit.craftbukkit.event.CraftPortalEvent;
 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;
@@ -281,7 +280,6 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
     public org.bukkit.projectiles.ProjectileSource projectileSource; // For projectiles only
     public boolean forceExplosionKnockback; // SPIGOT-949
     public boolean persistentInvisibility = false;
-    public CustomTimingsHandler tickTimer = org.bukkit.craftbukkit.SpigotTimings.getEntityTimings(this); // Spigot
     // Spigot start
     public final org.spigotmc.ActivationRange.ActivationType activationType = org.spigotmc.ActivationRange.initializeEntityActivationType(this);
     public final boolean defaultActivationState;
@@ -716,7 +714,6 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
     }
 
     public void move(MoverType movementType, Vec3 movement) {
-        org.bukkit.craftbukkit.SpigotTimings.entityMoveTimer.startTiming(); // Spigot
         if (this.noPhysics) {
             this.setPos(this.getX() + movement.x, this.getY() + movement.y, this.getZ() + movement.z);
         } else {
@@ -863,7 +860,6 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
                 this.level.getProfiler().pop();
             }
         }
-        org.bukkit.craftbukkit.SpigotTimings.entityMoveTimer.stopTiming(); // Spigot
     }
 
     protected void tryCheckInsideBlocks() {
diff --git a/src/main/java/net/minecraft/world/entity/EntityType.java b/src/main/java/net/minecraft/world/entity/EntityType.java
index 7f3d83d3d071f6b441ad119b1c93be035e911e70..8d5c61a77bea2f2f5dbff26cb479f855945f9541 100644
--- a/src/main/java/net/minecraft/world/entity/EntityType.java
+++ b/src/main/java/net/minecraft/world/entity/EntityType.java
@@ -294,17 +294,29 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T> {
         return Registry.ENTITY_TYPE.getOptional(ResourceLocation.tryParse(id));
     }
 
-    public EntityType(EntityType.EntityFactory<T> factory, MobCategory spawnGroup, boolean saveable, boolean summonable, boolean fireImmune, boolean spawnableFarFromPlayer, ImmutableSet<Block> canSpawnInside, EntityDimensions dimensions, int maxTrackDistance, int trackTickInterval) {
-        this.factory = factory;
-        this.category = spawnGroup;
-        this.canSpawnFarFromPlayer = spawnableFarFromPlayer;
-        this.serialize = saveable;
-        this.summon = summonable;
-        this.fireImmune = fireImmune;
+    public EntityType(EntityType.EntityFactory<T> factory, MobCategory spawnGroup, boolean saveable, boolean summonable, boolean fireImmune, boolean spawnableFarFromPlayer, ImmutableSet<Block> canSpawnInside, EntityDimensions dimensions, int maxTrackDistance, int trackTickInterval) { this(factory, spawnGroup, saveable, summonable, fireImmune, spawnableFarFromPlayer, canSpawnInside, dimensions, maxTrackDistance, trackTickInterval, "custom"); } // Paper - old signature
+
+    public final String id;
+
+    public EntityType(EntityType.EntityFactory<T> entitytypes_b, MobCategory enumcreaturetype, boolean flag, boolean flag1, boolean flag2, boolean flag3, ImmutableSet<Block> canSpawnInside, EntityDimensions dimensions, int maxTrackDistance, int trackTickInterval, String id) { // Paper - add id
+        this.factory = entitytypes_b;
+        this.category = enumcreaturetype;
+        this.canSpawnFarFromPlayer = flag3;
+        this.serialize = flag;
+        this.summon = flag1;
+        this.fireImmune = flag2;
         this.immuneTo = canSpawnInside;
         this.dimensions = dimensions;
         this.clientTrackingRange = maxTrackDistance;
         this.updateInterval = trackTickInterval;
+
+        // Paper start - timings
+        this.id = id;
+        this.tickTimer = co.aikar.timings.MinecraftTimings.getEntityTimings(id, "tick");
+        this.inactiveTickTimer = co.aikar.timings.MinecraftTimings.getEntityTimings(id, "inactiveTick");
+        this.passengerTickTimer = co.aikar.timings.MinecraftTimings.getEntityTimings(id, "passengerTick");
+        this.passengerInactiveTickTimer = co.aikar.timings.MinecraftTimings.getEntityTimings(id, "passengerInactiveTick");
+        // Paper end
     }
 
     @Nullable
@@ -567,6 +579,12 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T> {
         return this.updateInterval;
     }
 
+    // Paper start - timings
+    public final co.aikar.timings.Timing tickTimer;
+    public final co.aikar.timings.Timing inactiveTickTimer;
+    public final co.aikar.timings.Timing passengerTickTimer;
+    public final co.aikar.timings.Timing passengerInactiveTickTimer;
+    // Paper end
     public boolean trackDeltas() {
         return this != EntityType.PLAYER && this != EntityType.LLAMA_SPIT && this != EntityType.WITHER && this != EntityType.BAT && this != EntityType.ITEM_FRAME && this != EntityType.GLOW_ITEM_FRAME && this != EntityType.LEASH_KNOT && this != EntityType.PAINTING && this != EntityType.END_CRYSTAL && this != EntityType.EVOKER_FANGS;
     }
@@ -659,7 +677,7 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T> {
                 Util.fetchChoiceType(References.ENTITY_TREE, id);
             }
 
-            return new EntityType<>(this.factory, this.category, this.serialize, this.summon, this.fireImmune, this.canSpawnFarFromPlayer, this.immuneTo, this.dimensions, this.clientTrackingRange, this.updateInterval);
+            return new EntityType<>(this.factory, this.category, this.serialize, this.summon, this.fireImmune, this.canSpawnFarFromPlayer, this.immuneTo, this.dimensions, this.clientTrackingRange, this.updateInterval, id); // Paper - add id
         }
     }
 
diff --git a/src/main/java/net/minecraft/world/entity/LivingEntity.java b/src/main/java/net/minecraft/world/entity/LivingEntity.java
index 3b09f76805053802bb779e227749d81482636407..759cd74cda7f0d1f3c0f3bc0a2a941e16258a1c0 100644
--- a/src/main/java/net/minecraft/world/entity/LivingEntity.java
+++ b/src/main/java/net/minecraft/world/entity/LivingEntity.java
@@ -140,7 +140,7 @@ 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 LivingEntity extends Entity {
 
@@ -2761,7 +2761,6 @@ public abstract class LivingEntity extends Entity {
 
     @Override
     public void tick() {
-        SpigotTimings.timerEntityBaseTick.startTiming(); // Spigot
         super.tick();
         this.updatingUsingItem();
         this.updateSwimAmount();
@@ -2802,9 +2801,7 @@ public abstract class LivingEntity extends Entity {
             }
         }
 
-        SpigotTimings.timerEntityBaseTick.stopTiming(); // Spigot
         this.aiStep();
-        SpigotTimings.timerEntityTickRest.startTiming(); // Spigot
         double d0 = this.getX() - this.xo;
         double d1 = this.getZ() - this.zo;
         float f = (float) (d0 * d0 + d1 * d1);
@@ -2884,8 +2881,6 @@ public abstract class LivingEntity extends Entity {
         if (this.isSleeping()) {
             this.setXRot(0.0F);
         }
-
-        SpigotTimings.timerEntityTickRest.stopTiming(); // Spigot
     }
 
     public void detectEquipmentUpdates() {
@@ -3067,7 +3062,6 @@ public abstract class LivingEntity extends Entity {
 
         this.setDeltaMovement(d4, d5, d6);
         this.level.getProfiler().push("ai");
-        SpigotTimings.timerEntityAI.startTiming(); // Spigot
         if (this.isImmobile()) {
             this.jumping = false;
             this.xxa = 0.0F;
@@ -3077,7 +3071,6 @@ public abstract class LivingEntity extends Entity {
             this.serverAiStep();
             this.level.getProfiler().pop();
         }
-        SpigotTimings.timerEntityAI.stopTiming(); // Spigot
 
         this.level.getProfiler().pop();
         this.level.getProfiler().push("jump");
@@ -3112,9 +3105,9 @@ public abstract class LivingEntity extends Entity {
         this.updateFallFlying();
         AABB axisalignedbb = this.getBoundingBox();
 
-        SpigotTimings.timerEntityAIMove.startTiming(); // Spigot
+        // SpigotTimings.timerEntityAIMove.startTiming(); // Spigot // Paper
         this.travel(new Vec3((double) this.xxa, (double) this.yya, (double) this.zza));
-        SpigotTimings.timerEntityAIMove.stopTiming(); // Spigot
+        // SpigotTimings.timerEntityAIMove.stopTiming(); // Spigot // Paper
         this.level.getProfiler().pop();
         this.level.getProfiler().push("freezing");
         boolean flag1 = this.getType().is((Tag) EntityTypeTags.FREEZE_HURTS_EXTRA_TYPES);
@@ -3143,9 +3136,7 @@ public abstract class LivingEntity extends Entity {
             this.checkAutoSpinAttack(axisalignedbb, this.getBoundingBox());
         }
 
-        SpigotTimings.timerEntityAICollision.startTiming(); // Spigot
         this.pushEntities();
-        SpigotTimings.timerEntityAICollision.stopTiming(); // Spigot
         this.level.getProfiler().pop();
         if (!this.level.isClientSide && this.isSensitiveToWater() && this.isInWaterRainOrBubble()) {
             this.hurt(DamageSource.DROWN, 1.0F);
diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
index 3286beed6bf79f5f6b91227f596fcc43200e8bda..e38cd4df0924cce7fee4fd98967990945a62ecf4 100644
--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
@@ -82,7 +82,6 @@ import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.craftbukkit.CraftServer;
 import org.bukkit.craftbukkit.CraftWorld;
-import org.bukkit.craftbukkit.SpigotTimings; // Spigot
 import org.bukkit.craftbukkit.block.CapturedBlockState;
 import org.bukkit.craftbukkit.block.CraftBlockState;
 import org.bukkit.craftbukkit.block.data.CraftBlockData;
@@ -150,7 +149,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
 
     public final com.destroystokyo.paper.PaperWorldConfig paperConfig; // Paper
 
-    public final SpigotTimings.WorldTimingsHandler timings; // Spigot
+    public final co.aikar.timings.WorldTimingsHandler timings; // Paper
     public static BlockPos lastPhysicsProblem; // Spigot
     private org.spigotmc.TickLimiter entityLimiter;
     private org.spigotmc.TickLimiter tileLimiter;
@@ -237,7 +236,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
             }
         });
         // CraftBukkit end
-        this.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);
     }
@@ -725,15 +724,14 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
 
         timings.tileEntityTick.stopTiming(); // Spigot
         this.tickingBlockEntities = false;
+        co.aikar.timings.TimingHistory.tileEntityTicks += this.blockEntityTickers.size(); // Paper
         gameprofilerfiller.pop();
         spigotConfig.currentPrimedTnt = 0; // Spigot
     }
 
     public <T extends Entity> void guardEntityTick(Consumer<T> tickConsumer, T entity) {
         try {
-            SpigotTimings.tickEntityTimer.startTiming(); // Spigot
             tickConsumer.accept(entity);
-            SpigotTimings.tickEntityTimer.stopTiming(); // Spigot
         } catch (Throwable throwable) {
             CrashReport crashreport = CrashReport.forThrowable(throwable, "Ticking entity");
             CrashReportCategory crashreportsystemdetails = crashreport.addCategory("Entity being ticked");
diff --git a/src/main/java/net/minecraft/world/level/ServerTickList.java b/src/main/java/net/minecraft/world/level/ServerTickList.java
index 0be0c9a9f29f29e2622df49861d30a7edbaf0515..702203f4a4fa4fc03c35ec974a97e08ed0f3c67c 100644
--- a/src/main/java/net/minecraft/world/level/ServerTickList.java
+++ b/src/main/java/net/minecraft/world/level/ServerTickList.java
@@ -37,12 +37,17 @@ public class ServerTickList<T> implements TickList<T> {
     private final List<TickNextTickData<T>> alreadyTicked = Lists.newArrayList();
     private final Consumer<TickNextTickData<T>> ticker;
 
-    public ServerTickList(ServerLevel world, Predicate<T> invalidObjPredicate, Function<T, ResourceLocation> idToName, Consumer<TickNextTickData<T>> tickConsumer) {
-        this.ignore = invalidObjPredicate;
-        this.toId = idToName;
-        this.level = world;
-        this.ticker = tickConsumer;
+    public ServerTickList(ServerLevel worldserver, Predicate<T> predicate, Function<T, ResourceLocation> function, Consumer<TickNextTickData<T>> consumer, String timingsType) {
+        this.ignore = predicate;
+        this.toId = function;
+        this.level = worldserver;
+        this.ticker = consumer;
+        this.timingCleanup = co.aikar.timings.WorldTimingsHandler.getTickList(worldserver, timingsType + " - Cleanup");
+        this.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 tick() {
         int i = this.tickNextTickList.size();
@@ -64,6 +69,7 @@ public class ServerTickList<T> implements TickList<T> {
 
             this.level.getProfiler().push("cleaning");
 
+            this.timingCleanup.startTiming(); // Paper
             TickNextTickData nextticklistentry;
 
             while (i > 0 && iterator.hasNext()) {
@@ -79,7 +85,9 @@ public class ServerTickList<T> implements TickList<T> {
                     --i;
                 }
             }
+            this.timingCleanup.stopTiming(); // Paper
 
+            this.timingTicking.startTiming(); // Paper
             this.level.getProfiler().popPush("ticking");
 
             while ((nextticklistentry = (TickNextTickData) this.currentlyTicking.poll()) != null) {
@@ -99,6 +107,7 @@ public class ServerTickList<T> implements TickList<T> {
                 }
             }
 
+            this.timingTicking.stopTiming(); // Paper
             this.level.getProfiler().pop();
             this.alreadyTicked.clear();
             this.currentlyTicking.clear();
diff --git a/src/main/java/net/minecraft/world/level/block/Block.java b/src/main/java/net/minecraft/world/level/block/Block.java
index 0cd5448d93091e981374b0c11e95a3baca9defef..72ef08a59dbf72bec2ce54ab76455c4230395959 100644
--- a/src/main/java/net/minecraft/world/level/block/Block.java
+++ b/src/main/java/net/minecraft/world/level/block/Block.java
@@ -90,6 +90,15 @@ public class Block extends BlockBehaviour implements ItemLike {
     public static final int UPDATE_LIMIT = 512;
     protected final StateDefinition<Block, BlockState> stateDefinition;
     private BlockState defaultBlockState;
+    // 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
     @Nullable
     private String descriptionId;
     @Nullable
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
index 92b042080f06fb95958ff5e824830a84f2d1f2a6..7b333e2d6884b272abefbc820bcce8026a4cdf7e 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BlockEntity.java
@@ -19,10 +19,12 @@ import org.bukkit.inventory.InventoryHolder;
 // CraftBukkit end
 
 import org.spigotmc.CustomTimingsHandler; // Spigot
+import co.aikar.timings.MinecraftTimings; // Paper
+import co.aikar.timings.Timing; // Paper
 
 public abstract class BlockEntity implements net.minecraft.server.KeyedObject { // Paper
 
-    public CustomTimingsHandler tickTimer = org.bukkit.craftbukkit.SpigotTimings.getTileEntityTimings(this); // Spigot
+    public Timing tickTimer = MinecraftTimings.getTileEntityTimings(this); // Paper
     // CraftBukkit start - data containers
     private static final CraftPersistentDataTypeRegistry DATA_TYPE_REGISTRY = new CraftPersistentDataTypeRegistry();
     public CraftPersistentDataContainer persistentDataContainer;
diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
index e9a04017df42312e4e0e7e414c9ccc95c71ddae1..4a13b18ce609fc6a86da48b0673ccf9d3e0d8292 100644
--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
@@ -731,6 +731,7 @@ public class LevelChunk implements ChunkAccess {
             server.getPluginManager().callEvent(new org.bukkit.event.world.ChunkLoadEvent(this.bukkitChunk, this.needsDecoration));
 
             if (this.needsDecoration) {
+                try (co.aikar.timings.Timing ignored = this.level.timings.chunkLoadPopulate.startTiming()) { // Paper
                 this.needsDecoration = false;
                 java.util.Random random = new java.util.Random();
                 random.setSeed(this.level.getSeed());
@@ -750,6 +751,7 @@ public class LevelChunk implements ChunkAccess {
                     }
                 }
                 server.getPluginManager().callEvent(new org.bukkit.event.world.ChunkPopulateEvent(this.bukkitChunk));
+                } // Paper
             }
         }
     }
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
index b645a2fc839dbf922ce73b23b7d53e9a5fe1a2ee..1b478ebfe6792a157772a5812d0daa1a3ccc4776 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
@@ -1,5 +1,7 @@
 package net.minecraft.world.level.chunk.storage;
 
+
+import co.aikar.timings.Timings;
 import com.google.common.collect.Maps;
 import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
 import it.unimi.dsi.fastutil.longs.LongSet;
@@ -433,7 +435,6 @@ public class ChunkSerializer {
     private static void postLoadChunk(ServerLevel world, CompoundTag nbt, LevelChunk chunk) {
         ListTag nbttaglist;
 
-        world.timings.syncChunkLoadEntitiesTimer.startTiming(); // Spigot
         if (nbt.contains("Entities", 9)) {
             nbttaglist = nbt.getList("Entities", 10);
             if (!nbttaglist.isEmpty()) {
@@ -441,8 +442,6 @@ public class ChunkSerializer {
             }
         }
 
-        world.timings.syncChunkLoadEntitiesTimer.stopTiming(); // Spigot
-        world.timings.syncChunkLoadTileEntitiesTimer.startTiming(); // Spigot
         nbttaglist = nbt.getList("TileEntities", 10);
 
         for (int i = 0; i < nbttaglist.size(); ++i) {
@@ -460,8 +459,6 @@ public class ChunkSerializer {
                 }
             }
         }
-        world.timings.syncChunkLoadTileEntitiesTimer.stopTiming(); // Spigot
-
     }
 
     private static CompoundTag packStructureData(ServerLevel world, ChunkPos chunkcoordintpair, Map<StructureFeature<?>, StructureStart<?>> map, Map<StructureFeature<?>, LongSet> map1) {
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index 7964acaef50a1786c0510e04723e1ec8dc682757..02d8cfeaea105d42a437b08c3ba59c50eda5a452 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2160,12 +2160,31 @@ public final class CraftServer implements Server {
     private final org.bukkit.Server.Spigot spigot = new org.bukkit.Server.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 b0ffa23faf62629043dfd613315eaf9c5fcc2cfe..0000000000000000000000000000000000000000
--- a/src/main/java/org/bukkit/craftbukkit/SpigotTimings.java
+++ /dev/null
@@ -1,163 +0,0 @@
-package org.bukkit.craftbukkit;
-
-import java.util.HashMap;
-import net.minecraft.world.entity.Entity;
-import net.minecraft.world.level.Level;
-import net.minecraft.world.level.block.entity.BlockEntity;
-import net.minecraft.world.level.storage.PrimaryLevelData;
-import org.bukkit.craftbukkit.scheduler.CraftTask;
-import org.bukkit.plugin.java.JavaPluginLoader;
-import org.bukkit.scheduler.BukkitTask;
-import org.spigotmc.CustomTimingsHandler;
-
-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 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 = SpigotTimings.pluginTaskTimingMap.get(name);
-        if (result == null) {
-            result = new CustomTimingsHandler(name, SpigotTimings.schedulerSyncTimer);
-            SpigotTimings.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 = SpigotTimings.entityTypeTimingMap.get(entityType);
-        if (result == null) {
-            result = new CustomTimingsHandler("** tickEntity - " + entity.getClass().getSimpleName(), SpigotTimings.activatedEntityTimer);
-            SpigotTimings.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(BlockEntity entity) {
-        String entityType = entity.getClass().getName();
-        CustomTimingsHandler result = SpigotTimings.tileEntityTypeTimingMap.get(entityType);
-        if (result == null) {
-            result = new CustomTimingsHandler("** tickTileEntity - " + entity.getClass().getSimpleName(), SpigotTimings.tickTileEntityTimer);
-            SpigotTimings.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 doTickPending;
-        public final CustomTimingsHandler doTickTiles;
-        public final CustomTimingsHandler doChunkMap;
-        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 syncChunkLoadStructuresTimer;
-        public final CustomTimingsHandler syncChunkLoadEntitiesTimer;
-        public final CustomTimingsHandler syncChunkLoadTileEntitiesTimer;
-        public final CustomTimingsHandler syncChunkLoadTileTicksTimer;
-        public final CustomTimingsHandler syncChunkLoadPostTimer;
-
-        public WorldTimingsHandler(Level server) {
-            String name = ((PrimaryLevelData) server.levelData).getLevelName() + " - ";
-
-            this.mobSpawn = new CustomTimingsHandler("** " + name + "mobSpawn");
-            this.doChunkUnload = new CustomTimingsHandler("** " + name + "doChunkUnload");
-            this.doTickPending = new CustomTimingsHandler("** " + name + "doTickPending");
-            this.doTickTiles = new CustomTimingsHandler("** " + name + "doTickTiles");
-            this.doChunkMap = new CustomTimingsHandler("** " + name + "doChunkMap");
-            this.doSounds = new CustomTimingsHandler("** " + name + "doSounds");
-            this.entityTick = new CustomTimingsHandler("** " + name + "entityTick");
-            this.tileEntityTick = new CustomTimingsHandler("** " + name + "tileEntityTick");
-            this.tileEntityPending = new CustomTimingsHandler("** " + name + "tileEntityPending");
-
-            this.syncChunkLoadTimer = new CustomTimingsHandler("** " + name + "syncChunkLoad");
-            this.syncChunkLoadStructuresTimer = new CustomTimingsHandler("** " + name + "chunkLoad - Structures");
-            this.syncChunkLoadEntitiesTimer = new CustomTimingsHandler("** " + name + "chunkLoad - Entities");
-            this.syncChunkLoadTileEntitiesTimer = new CustomTimingsHandler("** " + name + "chunkLoad - TileEntities");
-            this.syncChunkLoadTileTicksTimer = new CustomTimingsHandler("** " + name + "chunkLoad - TileTicks");
-            this.syncChunkLoadPostTimer = new CustomTimingsHandler("** " + name + "chunkLoad - Post");
-
-
-            this.tracker = new CustomTimingsHandler(name + "tracker");
-            this.doTick = new CustomTimingsHandler(name + "doTick");
-            this.tickEntities = new CustomTimingsHandler(name + "tickEntities");
-        }
-    }
-}
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index da4296ecdc5b37224bc9fd9be426b613f0ec9586..1a6cca634d6b40a6d5f30eda98be3aa72c2569ad 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1825,6 +1825,14 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
             packet.components = components;
             CraftPlayer.this.getHandle().connection.send(packet);
         }
+
+        // Paper start
+        @Override
+        public int getPing()
+        {
+            return getHandle().latency;
+        }
+        // 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 054fcc3713f02e358dfe049491c8d1689ccc750b..07c4d9cd5081378e1b903518f7174fca959cd9e3 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -1,5 +1,6 @@
 package org.bukkit.craftbukkit.scheduler;
 
+import co.aikar.timings.MinecraftTimings; // Paper
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import java.util.ArrayList;
 import java.util.Comparator;
@@ -194,7 +195,8 @@ public class CraftScheduler implements BukkitScheduler {
     }
 
     public BukkitTask scheduleInternalTask(Runnable run, int delay, String taskName) {
-        final CraftTask task = new CraftTask(run, nextId(), taskName);
+        final CraftTask task = new CraftTask(run, nextId(), "Internal - " + (taskName != null ? taskName : "Unknown"));
+        task.internal = true;
         return handle(task, delay);
     }
 
@@ -275,7 +277,7 @@ public class CraftScheduler implements BukkitScheduler {
                         }
                         return false;
                     }
-                });
+                }){{this.timings=co.aikar.timings.MinecraftTimings.getCancelTasksTimer();}}; // Paper
         this.handle(task, 0L);
         for (CraftTask taskPending = this.head.getNext(); taskPending != null; taskPending = taskPending.getNext()) {
             if (taskPending == task) {
@@ -310,7 +312,7 @@ public class CraftScheduler implements BukkitScheduler {
                             }
                         }
                     }
-                });
+                }){{this.timings=co.aikar.timings.MinecraftTimings.getCancelTasksTimer(plugin);}}; // Paper
         this.handle(task, 0L);
         for (CraftTask taskPending = this.head.getNext(); taskPending != null; taskPending = taskPending.getNext()) {
             if (taskPending == task) {
@@ -417,9 +419,7 @@ public class CraftScheduler implements BukkitScheduler {
             if (task.isSync()) {
                 this.currentTask = task;
                 try {
-                    task.timings.startTiming(); // Spigot
                     task.run();
-                    task.timings.stopTiming(); // Spigot
                 } catch (final Throwable throwable) {
                     // Paper start
                     String msg = String.format(
@@ -453,8 +453,10 @@ public class CraftScheduler implements BukkitScheduler {
                 this.runners.remove(task.getTaskId());
             }
         }
+        MinecraftTimings.bukkitSchedulerFinishTimer.startTiming(); // Paper
         this.pending.addAll(temp);
         temp.clear();
+        MinecraftTimings.bukkitSchedulerFinishTimer.stopTiming(); // Paper
         this.debugHead = this.debugHead.getNextHead(currentTick);
     }
 
@@ -492,6 +494,7 @@ public class CraftScheduler implements BukkitScheduler {
     }
 
     private void parsePending() {
+        MinecraftTimings.bukkitSchedulerPendingTimer.startTiming();
         CraftTask head = this.head;
         CraftTask task = head.getNext();
         CraftTask lastTask = head;
@@ -510,6 +513,7 @@ 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 b89846e0f645c79afec018dae1d64a1bda043ed9..3f45bab0e9f7b3697e6d9d1092a1e6e579f7066f 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
@@ -1,12 +1,15 @@
 package org.bukkit.craftbukkit.scheduler;
 
 import java.util.function.Consumer;
+
+import co.aikar.timings.NullTimingHandler;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.scheduler.BukkitTask;
 
-import org.bukkit.craftbukkit.SpigotTimings; // Spigot
 import org.spigotmc.CustomTimingsHandler; // Spigot
+import co.aikar.timings.MinecraftTimings; // Paper
+import co.aikar.timings.Timing; // Paper
 
 public class CraftTask implements BukkitTask, Runnable { // Spigot
 
@@ -26,13 +29,13 @@ 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;
     private final long createdAt = System.nanoTime();
 
-    final CustomTimingsHandler timings; // Spigot
     CraftTask() {
         this(null, null, CraftTask.NO_REPEATING, CraftTask.NO_REPEATING);
     }
@@ -52,7 +55,7 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
         this.id = id;
         this.period = CraftTask.NO_REPEATING;
         this.taskName = taskName;
-        this.timings = null; // Will be changed in later patch
+        this.timings = MinecraftTimings.getInternalTaskName(taskName);
     }
     // Paper end
 
@@ -73,7 +76,7 @@ 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) : NullTimingHandler.NULL; // Paper
     }
 
     @Override
@@ -93,11 +96,13 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
 
     @Override
     public void run() {
+        try (Timing ignored = timings.startTiming()) { // Paper
         if (this.rTask != null) {
             this.rTask.run();
         } else {
             this.cTask.accept(this);
         }
+        } // Paper
     }
 
     long getCreatedAt() {
@@ -128,7 +133,7 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
         this.next = next;
     }
 
-    Class<?> getTaskClass() {
+    public Class<?> getTaskClass() { // Paper
         return (this.rTask != null) ? this.rTask.getClass() : ((this.cTask != null) ? this.cTask.getClass() : null);
     }
 
@@ -152,9 +157,4 @@ public class CraftTask implements BukkitTask, Runnable { // Spigot
         return true;
     }
 
-    // Spigot start
-    public String getTaskName() {
-        return (this.getTaskClass() == null) ? "Unknown" : this.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 e52ef47b783785dc214746b678e7b549aea9a274..3d90b3426873a3528af14f7f1ab0adae0027da2e 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/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 67cae2e6055389e93fb4b94daf8402ec5fdc6f9a..7a3ba7590249d6a3eb37f894c9cfd414a8ccf3fd 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -156,6 +156,12 @@ public final class CraftMagicNumbers implements UnsafeValues {
         return CraftNamespacedKey.toMinecraft(mat.getKey());
     }
     // ========================================================================
+    // Paper start
+    @Override
+    public void reportTimings() {
+        co.aikar.timings.TimingsExport.reportTimings();
+    }
+    // Paper end
 
     public static byte toLegacyData(BlockState data) {
         return CraftLegacy.toLegacyData(data);
@@ -330,6 +336,13 @@ public final class CraftMagicNumbers implements UnsafeValues {
         return clazz;
     }
 
+    // Paper start
+    @Override
+    public String getTimingsServerName() {
+        return com.destroystokyo.paper.PaperConfig.timingsServerName;
+    }
+    // Paper end
+
     /**
      * This helper class represents the different NBT Tags.
      * <p>
diff --git a/src/main/java/org/spigotmc/ActivationRange.java b/src/main/java/org/spigotmc/ActivationRange.java
index e73db1031c40f6bdf422dcefaa55721caf3cb4e9..f023f3a0d1671398363f0caa432ffb61fd07c9b2 100644
--- a/src/main/java/org/spigotmc/ActivationRange.java
+++ b/src/main/java/org/spigotmc/ActivationRange.java
@@ -27,7 +27,7 @@ import net.minecraft.world.entity.projectile.ThrownTrident;
 import net.minecraft.world.entity.raid.Raider;
 import net.minecraft.world.level.Level;
 import net.minecraft.world.phys.AABB;
-import org.bukkit.craftbukkit.SpigotTimings;
+import co.aikar.timings.MinecraftTimings;
 
 public class ActivationRange
 {
@@ -71,8 +71,8 @@ public class ActivationRange
     /**
      * These entities are excluded from Activation range checks.
      *
-     * @param entity
-     * @param config
+     * @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)
@@ -107,7 +107,7 @@ public class ActivationRange
      */
     public static void activateEntities(Level world)
     {
-        SpigotTimings.entityActivationCheckTimer.startTiming();
+        MinecraftTimings.entityActivationCheckTimer.startTiming();
         final int miscActivationRange = world.spigotConfig.miscActivationRange;
         final int raiderActivationRange = world.spigotConfig.raiderActivationRange;
         final int animalActivationRange = world.spigotConfig.animalActivationRange;
@@ -130,7 +130,7 @@ public class ActivationRange
 
             world.getEntities().get(maxBB, ActivationRange::activateEntity);
         }
-        SpigotTimings.entityActivationCheckTimer.stopTiming();
+        MinecraftTimings.entityActivationCheckTimer.stopTiming();
     }
 
     /**
@@ -221,10 +221,8 @@ 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 instanceof FireworkRocketEntity ) {
-            SpigotTimings.checkIfActiveTimer.stopTiming();
             return true;
         }
 
@@ -248,7 +246,6 @@ public class ActivationRange
         {
             isActive = false;
         }
-        SpigotTimings.checkIfActiveTimer.stopTiming();
         return isActive;
     }
 }