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Improve Timings stack protection more

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Ensures in more places that exceptions will not corrupt the Timings stack.

Timings will now better report stack corruption and auto repair itself too.
This commit is contained in:
Aikar 2019-03-26 00:31:34 -04:00
parent f5e7717214
commit e055103d3d
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GPG key ID: 401ADFC9891FAAFE
3 changed files with 40 additions and 20 deletions
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42
Spigot-API-Patches/0004-Timings-v2.patch
View file

@ -1,4 +1,4 @@
From f7754e7d136f3f3a688bc358e4e53cba5f1d44fb Mon Sep 17 00:00:00 2001
From 7a646006087774fb9c2558e741c74f3e3e0a6819 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Mon, 29 Feb 2016 18:48:17 -0600
Subject: [PATCH] Timings v2
@ -475,10 +475,10 @@ index 000000000..a5d13a1e4
+}
diff --git a/src/main/java/co/aikar/timings/TimingHandler.java b/src/main/java/co/aikar/timings/TimingHandler.java
new file mode 100644
index 000000000..2a727994a
index 000000000..bb46cb633
--- /dev/null
+++ b/src/main/java/co/aikar/timings/TimingHandler.java
@@ -0,0 +1,202 @@
@@ -0,0 +1,208 @@
+/*
+ * This file is licensed under the MIT License (MIT).
+ *
@ -520,7 +520,7 @@ index 000000000..2a727994a
+class TimingHandler implements Timing {
+
+ private static AtomicInteger idPool = new AtomicInteger(1);
+ static Deque<TimingHandler> TIMING_STACK = new ArrayDeque<>();
+ private static Deque<TimingHandler> TIMING_STACK = new ArrayDeque<>();
+ final int id = idPool.getAndIncrement();
+
+ final TimingIdentifier identifier;
@ -587,10 +587,16 @@ index 000000000..2a727994a
+
+ public void stopTiming() {
+ if (enabled && timingDepth > 0 && Bukkit.isPrimaryThread() && --timingDepth == 0 && start != 0) {
+ TimingHandler last = TIMING_STACK.removeLast();
+ if (last != this) {
+ Logger.getGlobal().log(Level.SEVERE, "TIMING_STACK_CORRUPTION - Report this to Paper! ( " + this.identifier + ":" + last +")", new Throwable());
+ TIMING_STACK.addLast(last); // Add it back
+ TimingHandler last;
+ while ((last = TIMING_STACK.removeLast()) != this) {
+ last.timingDepth = 0;
+ String reportTo;
+ if ("minecraft".equals(last.identifier.group)) {
+ reportTo = "Paper! This is a potential bug in Paper";
+ } else {
+ reportTo = "the plugin " + last.identifier.group + "(Look for errors above this in the logs)";
+ }
+ Logger.getGlobal().log(Level.SEVERE, "TIMING_STACK_CORRUPTION - Report this to " + reportTo + " (" + last.identifier +" did not stopTiming)", new Throwable());
+ }
+ addDiff(System.nanoTime() - start, TIMING_STACK.peekLast());
+
@ -3356,7 +3362,7 @@ index 000000000..ca1893e9f
+
+}
diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
index 1586f6480..f7ec2e55f 100644
index 1586f6480..6a786b8c5 100644
--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
@@ -31,7 +31,7 @@ public class SimpleCommandMap implements CommandMap {
@ -3376,7 +3382,7 @@ index 1586f6480..f7ec2e55f 100644
label = label.toLowerCase(java.util.Locale.ENGLISH).trim();
fallbackPrefix = fallbackPrefix.toLowerCase(java.util.Locale.ENGLISH).trim();
boolean registered = register(label, command, false, fallbackPrefix);
@@ -135,6 +136,12 @@ public class SimpleCommandMap implements CommandMap {
@@ -135,16 +136,22 @@ public class SimpleCommandMap implements CommandMap {
return false;
}
@ -3387,8 +3393,22 @@ index 1586f6480..f7ec2e55f 100644
+ // Paper end
+
try {
target.timings.startTiming(); // Spigot
- target.timings.startTiming(); // Spigot
+ try (co.aikar.timings.Timing ignored = target.timings.startTiming()) { // Paper - use try with resources
// Note: we don't return the result of target.execute as thats success / failure, we return handled (true) or not handled (false)
target.execute(sender, sentCommandLabel, Arrays.copyOfRange(args, 1, args.length));
- target.timings.stopTiming(); // Spigot
+ } // target.timings.stopTiming(); // Spigot // Paper
} catch (CommandException ex) {
- target.timings.stopTiming(); // Spigot
+ //target.timings.stopTiming(); // Spigot // Paper
throw ex;
} catch (Throwable ex) {
- target.timings.stopTiming(); // Spigot
+ //target.timings.stopTiming(); // Spigot // Paper
throw new CommandException("Unhandled exception executing '" + commandLine + "' in " + target, ex);
}
diff --git a/src/main/java/org/bukkit/command/defaults/TimingsCommand.java b/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
deleted file mode 100644
index 1e6e7033d..000000000

10
Spigot-API-Patches/0017-Add-exception-reporting-event.patch
View file

@ -1,4 +1,4 @@
From 6c5e4653f78507a8553b8e9f915449a0ca3aa50f Mon Sep 17 00:00:00 2001
From e1e05e05e79b9ba25d403b5648b57c59b1c622cf Mon Sep 17 00:00:00 2001
From: Zach Brown <zach.brown@destroystokyo.com>
Date: Mon, 29 Feb 2016 20:24:35 -0600
Subject: [PATCH] Add exception reporting event
@ -462,7 +462,7 @@ index 000000000..5582999fe
+ }
+}
diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
index f7ec2e55f..f52d91d19 100644
index 6a786b8c5..682d27f94 100644
--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
@@ -9,6 +9,9 @@ import java.util.Iterator;
@ -477,13 +477,13 @@ index f7ec2e55f..f52d91d19 100644
import org.bukkit.Server;
@@ -148,11 +151,14 @@ public class SimpleCommandMap implements CommandMap {
target.execute(sender, sentCommandLabel, Arrays.copyOfRange(args, 1, args.length));
target.timings.stopTiming(); // Spigot
} // target.timings.stopTiming(); // Spigot // Paper
} catch (CommandException ex) {
+ server.getPluginManager().callEvent(new ServerExceptionEvent(new ServerCommandException(ex, target, sender, args))); // Paper
target.timings.stopTiming(); // Spigot
//target.timings.stopTiming(); // Spigot // Paper
throw ex;
} catch (Throwable ex) {
target.timings.stopTiming(); // Spigot
//target.timings.stopTiming(); // Spigot // Paper
- throw new CommandException("Unhandled exception executing '" + commandLine + "' in " + target, ex);
+ String msg = "Unhandled exception executing '" + commandLine + "' in " + target;
+ server.getPluginManager().callEvent(new ServerExceptionEvent(new ServerCommandException(ex, target, sender, args))); // Paper

8
Spigot-Server-Patches/0009-Timings-v2.patch
View file

@ -1,4 +1,4 @@
From c4854e60305b3205de80651deb632f7a99dcd8ac Mon Sep 17 00:00:00 2001
From f2743e61a346316b3627c75f8d6beb3c30a8cd75 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
@ -1653,7 +1653,7 @@ index 646128f16..d75cc42e1 100644
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 3f55381c1..f32e66010 100644
index 3f55381c1..17ba052f8 100644
--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
@@ -2,8 +2,8 @@ package org.bukkit.craftbukkit.scheduler;
@ -1705,13 +1705,13 @@ index 3f55381c1..f32e66010 100644
@Override
public void run() {
+ if (timings != null && isSync()) timings.startTiming(); // Paper
+ try (Timing ignored = timings.startTiming()) { // Paper
if (rTask != null) {
rTask.run();
} else {
cTask.accept(this);
}
+ if (timings != null && isSync()) timings.stopTiming(); // Paper
+ } // Paper
}
long getPeriod() {