Paper/Spigot-Server-Patches/0172-Remove-CraftScheduler-Async-Task-Debugger.patch
Aikar b62dfa0bf9
Updated Upstream (Bukkit/CraftBukkit)
Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers

CraftBukkit Changes:
1cf8b5dc SPIGOT-4400: Populators running on existing chunks
116cb9a1 SPIGOT-4399: Add attribute modifier equality test
5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
2018-09-28 19:31:59 -04:00

63 lines
3.1 KiB
Diff

From 94c6d1da37a9be67ae8745e85952a6269f0d1de6 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 5 Feb 2017 00:04:04 -0500
Subject: [PATCH] Remove CraftScheduler Async Task Debugger
I have not once ever seen this system help debug a crash.
One report of a suspected memory leak with the system.
This adds additional overhead to asynchronous task dispatching
diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
index 26753fac5e..a2fadaf82c 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -84,8 +84,8 @@ public class CraftScheduler implements BukkitScheduler {
private volatile CraftTask currentTask = null;
private volatile int currentTick = -1;
private final Executor executor = Executors.newCachedThreadPool(new com.google.common.util.concurrent.ThreadFactoryBuilder().setNameFormat("Craft Scheduler Thread - %1$d").build()); // Spigot
- private CraftAsyncDebugger debugHead = new CraftAsyncDebugger(-1, null, null) {@Override StringBuilder debugTo(StringBuilder string) {return string;}};
- private CraftAsyncDebugger debugTail = debugHead;
+ //private CraftAsyncDebugger debugHead = new CraftAsyncDebugger(-1, null, null) {@Override StringBuilder debugTo(StringBuilder string) {return string;}}; // Paper
+ //private CraftAsyncDebugger debugTail = debugHead; // Paper
private static final int RECENT_TICKS;
static {
@@ -381,7 +381,7 @@ public class CraftScheduler implements BukkitScheduler {
}
parsePending();
} else {
- debugTail = debugTail.setNext(new CraftAsyncDebugger(currentTick + RECENT_TICKS, task.getOwner(), task.getTaskClass()));
+ //debugTail = debugTail.setNext(new CraftAsyncDebugger(currentTick + RECENT_TICKS, task.getOwner(), task.getTaskClass())); // Paper
executor.execute(new ServerSchedulerReportingWrapper(task)); // Paper
// We don't need to parse pending
// (async tasks must live with race-conditions if they attempt to cancel between these few lines of code)
@@ -398,7 +398,7 @@ public class CraftScheduler implements BukkitScheduler {
pending.addAll(temp);
temp.clear();
MinecraftTimings.bukkitSchedulerFinishTimer.stopTiming();
- debugHead = debugHead.getNextHead(currentTick);
+ //debugHead = debugHead.getNextHead(currentTick); // Paper
}
private void addTask(final CraftTask task) {
@@ -457,10 +457,15 @@ public class CraftScheduler implements BukkitScheduler {
@Override
public String toString() {
+ // Paper start
+ return "";
+ /*
int debugTick = currentTick;
StringBuilder string = new StringBuilder("Recent tasks from ").append(debugTick - RECENT_TICKS).append('-').append(debugTick).append('{');
debugHead.debugTo(string);
return string.append('}').toString();
+ */
+ // Paper end
}
@Deprecated
--
2.19.0