PaperMC/Spigot-Server-Patches/0199-Remove-CraftScheduler-Async-Task-Debugger.patch
Aikar 094bb03a37
Optimize Hoppers
- Lots of itemstack cloning removed. Only clone if the item is actually moved
- Return true when a plugin cancels inventory move item event instead of false, as false causes pulls to cycle through all items.
  However, pushes do not exhibit the same behavior, so this is not something plugins could of been relying on.
- Add option (Default on) to cooldown hoppers when they fail to move an item due to full inventory
- Skip subsequent InventoryMoveItemEvents if a plugin does not use the item after first event fire for an iteration
2018-02-12 23:26:02 -05:00

62 lines
3.2 KiB
Diff

From 06e0c2047f0e86e7ca6f80a588f2698df7e75d22 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 bce411288..e47f4cca2 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftScheduler.java
@@ -80,8 +80,8 @@ public class CraftScheduler implements BukkitScheduler {
private final ConcurrentHashMap<Integer, CraftTask> runners = new ConcurrentHashMap<Integer, CraftTask>();
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 {
@@ -371,7 +371,7 @@ 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)
@@ -388,7 +388,7 @@ 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) {
@@ -447,10 +447,15 @@ 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
--
2.16.1