Paper/patches/server/0336-Add-tick-times-API-and-mspt-command.patch
2024-04-25 21:57:59 +02:00

207 lines
8.4 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sun, 5 Apr 2020 22:23:14 -0500
Subject: [PATCH] Add tick times API and /mspt command
diff --git a/src/main/java/io/papermc/paper/command/MSPTCommand.java b/src/main/java/io/papermc/paper/command/MSPTCommand.java
new file mode 100644
index 0000000000000000000000000000000000000000..8b5293b0c696ef21d0101493ffa41b60bf0bc86b
--- /dev/null
+++ b/src/main/java/io/papermc/paper/command/MSPTCommand.java
@@ -0,0 +1,102 @@
+package io.papermc.paper.command;
+
+import net.kyori.adventure.text.Component;
+import net.minecraft.server.MinecraftServer;
+import org.bukkit.Location;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.framework.qual.DefaultQualifier;
+
+import static net.kyori.adventure.text.Component.text;
+import static net.kyori.adventure.text.format.NamedTextColor.GOLD;
+import static net.kyori.adventure.text.format.NamedTextColor.GRAY;
+import static net.kyori.adventure.text.format.NamedTextColor.GREEN;
+import static net.kyori.adventure.text.format.NamedTextColor.RED;
+import static net.kyori.adventure.text.format.NamedTextColor.YELLOW;
+
+@DefaultQualifier(NonNull.class)
+public final class MSPTCommand extends Command {
+ private static final DecimalFormat DF = new DecimalFormat("########0.0");
+ private static final Component SLASH = text("/");
+
+ public MSPTCommand(final String name) {
+ super(name);
+ this.description = "View server tick times";
+ this.usageMessage = "/mspt";
+ this.setPermission("bukkit.command.mspt");
+ }
+
+ @Override
+ public List<String> tabComplete(CommandSender sender, String alias, String[] args, Location location) throws IllegalArgumentException {
+ return Collections.emptyList();
+ }
+
+ @Override
+ public boolean execute(CommandSender sender, String commandLabel, String[] args) {
+ if (!testPermission(sender)) return true;
+
+ MinecraftServer server = MinecraftServer.getServer();
+
+ List<Component> times = new ArrayList<>();
+ times.addAll(eval(server.tickTimes5s.getTimes()));
+ times.addAll(eval(server.tickTimes10s.getTimes()));
+ times.addAll(eval(server.tickTimes60s.getTimes()));
+
+ sender.sendMessage(text().content("Server tick times ").color(GOLD)
+ .append(text().color(YELLOW)
+ .append(
+ text("("),
+ text("avg", GRAY),
+ text("/"),
+ text("min", GRAY),
+ text("/"),
+ text("max", GRAY),
+ text(")")
+ )
+ ).append(
+ text(" from last 5s"),
+ text(",", GRAY),
+ text(" 10s"),
+ text(",", GRAY),
+ text(" 1m"),
+ text(":", YELLOW)
+ )
+ );
+ sender.sendMessage(text().content("◴ ").color(GOLD)
+ .append(text().color(GRAY)
+ .append(
+ times.get(0), SLASH, times.get(1), SLASH, times.get(2), text(", ", YELLOW),
+ times.get(3), SLASH, times.get(4), SLASH, times.get(5), text(", ", YELLOW),
+ times.get(6), SLASH, times.get(7), SLASH, times.get(8)
+ )
+ )
+ );
+ return true;
+ }
+
+ private static List<Component> eval(long[] times) {
+ long min = Integer.MAX_VALUE;
+ long max = 0L;
+ long total = 0L;
+ for (long value : times) {
+ if (value > 0L && value < min) min = value;
+ if (value > max) max = value;
+ total += value;
+ }
+ double avgD = ((double) total / (double) times.length) * 1.0E-6D;
+ double minD = ((double) min) * 1.0E-6D;
+ double maxD = ((double) max) * 1.0E-6D;
+ return Arrays.asList(getColor(avgD), getColor(minD), getColor(maxD));
+ }
+
+ private static Component getColor(double avg) {
+ return text(DF.format(avg), avg >= 50 ? RED : avg >= 40 ? YELLOW : GREEN);
+ }
+}
diff --git a/src/main/java/io/papermc/paper/command/PaperCommands.java b/src/main/java/io/papermc/paper/command/PaperCommands.java
index 72f2e81b9905a0d57ed8e2a88578f62d5235c456..7b58b2d6297800c2dcdbf7539e5ab8e7703f39f1 100644
--- a/src/main/java/io/papermc/paper/command/PaperCommands.java
+++ b/src/main/java/io/papermc/paper/command/PaperCommands.java
@@ -18,6 +18,7 @@ public final class PaperCommands {
static {
COMMANDS.put("paper", new PaperCommand("paper"));
COMMANDS.put("callback", new CallbackCommand("callback"));
+ COMMANDS.put("mspt", new MSPTCommand("mspt"));
}
public static void registerCommands(final MinecraftServer server) {
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index fbe459664f93ec9d314cd305f1e3857710191cfd..a39753296a70a404b45dcb668ff42c1d88429e8e 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -255,6 +255,11 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
private int playerIdleTimeout;
private final long[] tickTimesNanos;
private long aggregatedTickTimesNanos;
+ // Paper start - Add tick times API and /mspt command
+ public final TickTimes tickTimes5s = new TickTimes(100);
+ public final TickTimes tickTimes10s = new TickTimes(200);
+ public final TickTimes tickTimes60s = new TickTimes(1200);
+ // Paper end - Add tick times API and /mspt command
@Nullable
private KeyPair keyPair;
@Nullable
@@ -1450,6 +1455,11 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
this.aggregatedTickTimesNanos += j;
this.tickTimesNanos[k] = j;
this.smoothedTickTimeMillis = this.smoothedTickTimeMillis * 0.8F + (float) j / (float) TimeUtil.NANOSECONDS_PER_MILLISECOND * 0.19999999F;
+ // Paper start - Add tick times API and /mspt command
+ this.tickTimes5s.add(this.tickCount, j);
+ this.tickTimes10s.add(this.tickCount, j);
+ this.tickTimes60s.add(this.tickCount, j);
+ // Paper end - Add tick times API and /mspt command
this.logTickMethodTime(i);
this.profiler.pop();
org.spigotmc.WatchdogThread.tick(); // Spigot
@@ -2790,4 +2800,30 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public static record ServerResourcePackInfo(UUID id, String url, String hash, boolean isRequired, @Nullable Component prompt) {
}
+
+ // Paper start - Add tick times API and /mspt command
+ public static class TickTimes {
+ private final long[] times;
+
+ public TickTimes(int length) {
+ times = new long[length];
+ }
+
+ void add(int index, long time) {
+ times[index % times.length] = time;
+ }
+
+ public long[] getTimes() {
+ return times.clone();
+ }
+
+ public double getAverage() {
+ long total = 0L;
+ for (long value : times) {
+ total += value;
+ }
+ return ((double) total / (double) times.length) * 1.0E-6D;
+ }
+ }
+ // Paper end - Add tick times API and /mspt command
}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
index d61aa8acdcbc08d131ecf1d385084e6c82663feb..86e9a0955df9ffd5421df4c4d25393ac7cb13aac 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
@@ -2648,6 +2648,16 @@ public final class CraftServer implements Server {
return CraftMagicNumbers.INSTANCE;
}
+ @Override
+ public long[] getTickTimes() {
+ return this.getServer().tickTimes5s.getTimes();
+ }
+
+ @Override
+ public double getAverageTickTime() {
+ return this.getServer().tickTimes5s.getAverage();
+ }
+
// Spigot start
private final org.bukkit.Server.Spigot spigot = new org.bukkit.Server.Spigot()
{