geforkt von Mirrors/Paper
01a13871de
Patch documentation to come Issues with the old system that are fixed now: - World generation does not scale with cpu cores effectively. - Relies on the main thread for scheduling and maintaining chunk state, dropping chunk load/generate rates at lower tps. - Unreliable prioritisation of chunk gen/load calls that block the main thread. - Shutdown logic is utterly unreliable, as it has to wait for all chunks to unload - is it guaranteed that the chunk system is in a state on shutdown that it can reliably do this? Watchdog shutdown also typically failed due to thread checks, which is now resolved. - Saving of data is not unified (i.e can save chunk data without saving entity data, poses problems for desync if shutdown is really abnormal. - Entities are not loaded with chunks. This caused quite a bit of headache for Chunk#getEntities API, but now the new chunk system loads entities with chunks so that they are ready whenever the chunk loads in. Effectively brings the behavior back to 1.16 era, but still storing entities in their own separate regionfiles. The above list is not complete. The patch documentation will complete it. New chunk system hard relies on starlight and dataconverter, and most importantly the new concurrent utilities in ConcurrentUtil. Some of the old async chunk i/o interface (i.e the old file io thread reroutes _some_ calls to the new file io thread) is kept for plugin compat reasons. It will be removed in the next major version of minecraft. The old legacy chunk system patches have been moved to the removed folder in case we need them again.
208 Zeilen
8.1 KiB
Diff
208 Zeilen
8.1 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: William Blake Galbreath <Blake.Galbreath@GMail.com>
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Date: Sun, 5 Apr 2020 22:23:14 -0500
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Subject: [PATCH] Add tick times API and /mspt command
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diff --git a/src/main/java/io/papermc/paper/command/MSPTCommand.java b/src/main/java/io/papermc/paper/command/MSPTCommand.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..8b5293b0c696ef21d0101493ffa41b60bf0bc86b
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/command/MSPTCommand.java
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@@ -0,0 +1,102 @@
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+package io.papermc.paper.command;
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+
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+import net.kyori.adventure.text.Component;
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+import net.minecraft.server.MinecraftServer;
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+import org.bukkit.Location;
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+import org.bukkit.command.Command;
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+import org.bukkit.command.CommandSender;
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+
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+import java.text.DecimalFormat;
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+import java.util.ArrayList;
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+import java.util.Arrays;
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+import java.util.Collections;
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+import java.util.List;
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+import org.checkerframework.checker.nullness.qual.NonNull;
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+import org.checkerframework.framework.qual.DefaultQualifier;
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+
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+import static net.kyori.adventure.text.Component.text;
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+import static net.kyori.adventure.text.format.NamedTextColor.GOLD;
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+import static net.kyori.adventure.text.format.NamedTextColor.GRAY;
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+import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
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+import static net.kyori.adventure.text.format.NamedTextColor.RED;
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+import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
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+
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+@DefaultQualifier(NonNull.class)
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+public final class MSPTCommand extends Command {
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+ private static final DecimalFormat DF = new DecimalFormat("########0.0");
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+ private static final Component SLASH = text("/");
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+
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+ public MSPTCommand(final String name) {
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+ super(name);
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+ this.description = "View server tick times";
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+ this.usageMessage = "/mspt";
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+ this.setPermission("bukkit.command.mspt");
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+ }
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+
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+ @Override
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+ public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
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+ return Collections.emptyList();
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+ }
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+
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+ @Override
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+ public boolean execute(CommandSender sender, String commandLabel, String[] args) {
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+ if (!testPermission(sender)) return true;
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+
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+ MinecraftServer server = MinecraftServer.getServer();
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+
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+ List<Component> times = new ArrayList<>();
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+ times.addAll(eval(server.tickTimes5s.getTimes()));
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+ times.addAll(eval(server.tickTimes10s.getTimes()));
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+ times.addAll(eval(server.tickTimes60s.getTimes()));
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+
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+ sender.sendMessage(text().content("Server tick times ").color(GOLD)
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+ .append(text().color(YELLOW)
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+ .append(
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+ text("("),
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+ text("avg", GRAY),
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+ text("/"),
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+ text("min", GRAY),
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+ text("/"),
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+ text("max", GRAY),
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+ text(")")
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+ )
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+ ).append(
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+ text(" from last 5s"),
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+ text(",", GRAY),
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+ text(" 10s"),
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+ text(",", GRAY),
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+ text(" 1m"),
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+ text(":", YELLOW)
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+ )
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+ );
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+ sender.sendMessage(text().content("◴ ").color(GOLD)
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+ .append(text().color(GRAY)
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+ .append(
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+ times.get(0), SLASH, times.get(1), SLASH, times.get(2), text(", ", YELLOW),
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+ times.get(3), SLASH, times.get(4), SLASH, times.get(5), text(", ", YELLOW),
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+ times.get(6), SLASH, times.get(7), SLASH, times.get(8)
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+ )
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+ )
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+ );
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+ return true;
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+ }
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+
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+ private static List<Component> eval(long[] times) {
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+ long min = Integer.MAX_VALUE;
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+ long max = 0L;
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+ long total = 0L;
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+ for (long value : times) {
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+ if (value > 0L && value < min) min = value;
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+ if (value > max) max = value;
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+ total += value;
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+ }
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+ double avgD = ((double) total / (double) times.length) * 1.0E-6D;
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+ double minD = ((double) min) * 1.0E-6D;
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+ double maxD = ((double) max) * 1.0E-6D;
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+ return Arrays.asList(getColor(avgD), getColor(minD), getColor(maxD));
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+ }
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+
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+ private static Component getColor(double avg) {
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+ return text(DF.format(avg), avg >= 50 ? RED : avg >= 40 ? YELLOW : GREEN);
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+ }
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+}
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diff --git a/src/main/java/io/papermc/paper/command/PaperCommands.java b/src/main/java/io/papermc/paper/command/PaperCommands.java
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index 6a00f3d38da8107825ab1d405f337fd077b09f72..d31b5ed47cffc61c90c926a0cd2005b72ebddfc5 100644
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--- a/src/main/java/io/papermc/paper/command/PaperCommands.java
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+++ b/src/main/java/io/papermc/paper/command/PaperCommands.java
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@@ -17,6 +17,7 @@ public final class PaperCommands {
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private static final Map<String, Command> COMMANDS = new HashMap<>();
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static {
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COMMANDS.put("paper", new PaperCommand("paper"));
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+ COMMANDS.put("mspt", new MSPTCommand("mspt"));
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}
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public static void registerCommands(final MinecraftServer server) {
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 668d7479bb9a56f710ead272166abd615b9463cc..a8cbbe13f7da0fe89191196acfa8617e683a66e7 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -237,6 +237,11 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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@Nullable private net.kyori.adventure.text.Component cachedMotd; // Paper
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private int playerIdleTimeout;
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public final long[] tickTimes;
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+ // Paper start
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+ public final TickTimes tickTimes5s = new TickTimes(100);
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+ public final TickTimes tickTimes10s = new TickTimes(200);
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+ public final TickTimes tickTimes60s = new TickTimes(1200);
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+ // Paper end
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@Nullable
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private KeyPair keyPair;
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@Nullable
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@@ -1355,6 +1360,12 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.averageTickTime = this.averageTickTime * 0.8F + (float) l / 1000000.0F * 0.19999999F;
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long i1 = Util.getNanos();
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+ // Paper start
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+ tickTimes5s.add(this.tickCount, l);
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+ tickTimes10s.add(this.tickCount, l);
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+ tickTimes60s.add(this.tickCount, l);
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+ // Paper end
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+
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this.frameTimer.logFrameDuration(i1 - i);
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this.profiler.pop();
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org.spigotmc.WatchdogThread.tick(); // Spigot
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@@ -2533,4 +2544,30 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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public static record ServerResourcePackInfo(String url, String hash, boolean isRequired, @Nullable Component prompt) {
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}
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+
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+ // Paper start
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+ public static class TickTimes {
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+ private final long[] times;
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+
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+ public TickTimes(int length) {
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+ times = new long[length];
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+ }
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+
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+ void add(int index, long time) {
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+ times[index % times.length] = time;
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+ }
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+
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+ public long[] getTimes() {
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+ return times.clone();
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+ }
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+
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+ public double getAverage() {
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+ long total = 0L;
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+ for (long value : times) {
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+ total += value;
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+ }
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+ return ((double) total / (double) times.length) * 1.0E-6D;
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+ }
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+ }
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+ // Paper end
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index 826bd8ae116a94ddc59815d4dbb37ffee71780e7..d0858a98a26745747ac50943a7ec1bb4c7491fb6 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -2485,6 +2485,16 @@ public final class CraftServer implements Server {
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net.minecraft.server.MinecraftServer.getServer().tps15.getAverage()
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};
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}
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+
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+ @Override
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+ public long[] getTickTimes() {
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+ return getServer().tickTimes5s.getTimes();
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+ }
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+
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+ @Override
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+ public double getAverageTickTime() {
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+ return getServer().tickTimes5s.getAverage();
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+ }
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// Paper end
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// Spigot start
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