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https://github.com/PaperMC/Paper.git
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Improve Timings stack protection more
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
parent
f5e7717214
commit
e055103d3d
3 changed files with 40 additions and 20 deletions
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@ -1,4 +1,4 @@
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From f7754e7d136f3f3a688bc358e4e53cba5f1d44fb Mon Sep 17 00:00:00 2001
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From 7a646006087774fb9c2558e741c74f3e3e0a6819 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Mon, 29 Feb 2016 18:48:17 -0600
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Subject: [PATCH] Timings v2
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@ -475,10 +475,10 @@ index 000000000..a5d13a1e4
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+}
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diff --git a/src/main/java/co/aikar/timings/TimingHandler.java b/src/main/java/co/aikar/timings/TimingHandler.java
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new file mode 100644
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index 000000000..2a727994a
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index 000000000..bb46cb633
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--- /dev/null
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+++ b/src/main/java/co/aikar/timings/TimingHandler.java
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@@ -0,0 +1,202 @@
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@@ -0,0 +1,208 @@
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+/*
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+ * This file is licensed under the MIT License (MIT).
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+ *
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@ -520,7 +520,7 @@ index 000000000..2a727994a
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+class TimingHandler implements Timing {
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+
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+ private static AtomicInteger idPool = new AtomicInteger(1);
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+ static Deque<TimingHandler> TIMING_STACK = new ArrayDeque<>();
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+ private static Deque<TimingHandler> TIMING_STACK = new ArrayDeque<>();
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+ final int id = idPool.getAndIncrement();
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+
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+ final TimingIdentifier identifier;
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@ -587,10 +587,16 @@ index 000000000..2a727994a
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+
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+ public void stopTiming() {
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+ if (enabled && timingDepth > 0 && Bukkit.isPrimaryThread() && --timingDepth == 0 && start != 0) {
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+ TimingHandler last = TIMING_STACK.removeLast();
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+ if (last != this) {
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+ Logger.getGlobal().log(Level.SEVERE, "TIMING_STACK_CORRUPTION - Report this to Paper! ( " + this.identifier + ":" + last +")", new Throwable());
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+ TIMING_STACK.addLast(last); // Add it back
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+ TimingHandler last;
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+ while ((last = TIMING_STACK.removeLast()) != this) {
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+ last.timingDepth = 0;
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+ String reportTo;
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+ if ("minecraft".equals(last.identifier.group)) {
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+ reportTo = "Paper! This is a potential bug in Paper";
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+ } else {
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+ reportTo = "the plugin " + last.identifier.group + "(Look for errors above this in the logs)";
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+ }
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+ Logger.getGlobal().log(Level.SEVERE, "TIMING_STACK_CORRUPTION - Report this to " + reportTo + " (" + last.identifier +" did not stopTiming)", new Throwable());
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+ }
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+ addDiff(System.nanoTime() - start, TIMING_STACK.peekLast());
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+
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@ -3356,7 +3362,7 @@ index 000000000..ca1893e9f
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+
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+}
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diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
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index 1586f6480..f7ec2e55f 100644
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index 1586f6480..6a786b8c5 100644
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--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
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+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
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@@ -31,7 +31,7 @@ public class SimpleCommandMap implements CommandMap {
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@ -3376,7 +3382,7 @@ index 1586f6480..f7ec2e55f 100644
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label = label.toLowerCase(java.util.Locale.ENGLISH).trim();
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fallbackPrefix = fallbackPrefix.toLowerCase(java.util.Locale.ENGLISH).trim();
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boolean registered = register(label, command, false, fallbackPrefix);
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@@ -135,6 +136,12 @@ public class SimpleCommandMap implements CommandMap {
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@@ -135,16 +136,22 @@ public class SimpleCommandMap implements CommandMap {
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return false;
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}
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@ -3387,8 +3393,22 @@ index 1586f6480..f7ec2e55f 100644
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+ // Paper end
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+
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try {
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target.timings.startTiming(); // Spigot
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- target.timings.startTiming(); // Spigot
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+ try (co.aikar.timings.Timing ignored = target.timings.startTiming()) { // Paper - use try with resources
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// Note: we don't return the result of target.execute as thats success / failure, we return handled (true) or not handled (false)
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target.execute(sender, sentCommandLabel, Arrays.copyOfRange(args, 1, args.length));
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- target.timings.stopTiming(); // Spigot
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+ } // target.timings.stopTiming(); // Spigot // Paper
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} catch (CommandException ex) {
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- target.timings.stopTiming(); // Spigot
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+ //target.timings.stopTiming(); // Spigot // Paper
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throw ex;
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} catch (Throwable ex) {
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- target.timings.stopTiming(); // Spigot
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+ //target.timings.stopTiming(); // Spigot // Paper
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throw new CommandException("Unhandled exception executing '" + commandLine + "' in " + target, ex);
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}
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diff --git a/src/main/java/org/bukkit/command/defaults/TimingsCommand.java b/src/main/java/org/bukkit/command/defaults/TimingsCommand.java
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deleted file mode 100644
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index 1e6e7033d..000000000
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@ -1,4 +1,4 @@
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From 6c5e4653f78507a8553b8e9f915449a0ca3aa50f Mon Sep 17 00:00:00 2001
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From e1e05e05e79b9ba25d403b5648b57c59b1c622cf Mon Sep 17 00:00:00 2001
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From: Zach Brown <zach.brown@destroystokyo.com>
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Date: Mon, 29 Feb 2016 20:24:35 -0600
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Subject: [PATCH] Add exception reporting event
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@ -462,7 +462,7 @@ index 000000000..5582999fe
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+ }
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+}
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diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
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index f7ec2e55f..f52d91d19 100644
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index 6a786b8c5..682d27f94 100644
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--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
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+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
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@@ -9,6 +9,9 @@ import java.util.Iterator;
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@ -477,13 +477,13 @@ index f7ec2e55f..f52d91d19 100644
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import org.bukkit.Server;
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@@ -148,11 +151,14 @@ public class SimpleCommandMap implements CommandMap {
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target.execute(sender, sentCommandLabel, Arrays.copyOfRange(args, 1, args.length));
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target.timings.stopTiming(); // Spigot
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} // target.timings.stopTiming(); // Spigot // Paper
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} catch (CommandException ex) {
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+ server.getPluginManager().callEvent(new ServerExceptionEvent(new ServerCommandException(ex, target, sender, args))); // Paper
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target.timings.stopTiming(); // Spigot
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//target.timings.stopTiming(); // Spigot // Paper
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throw ex;
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} catch (Throwable ex) {
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target.timings.stopTiming(); // Spigot
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//target.timings.stopTiming(); // Spigot // Paper
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- throw new CommandException("Unhandled exception executing '" + commandLine + "' in " + target, ex);
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+ String msg = "Unhandled exception executing '" + commandLine + "' in " + target;
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+ server.getPluginManager().callEvent(new ServerExceptionEvent(new ServerCommandException(ex, target, sender, args))); // Paper
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@ -1,4 +1,4 @@
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From c4854e60305b3205de80651deb632f7a99dcd8ac Mon Sep 17 00:00:00 2001
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From f2743e61a346316b3627c75f8d6beb3c30a8cd75 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 04:00:11 -0600
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Subject: [PATCH] Timings v2
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@ -1653,7 +1653,7 @@ index 646128f16..d75cc42e1 100644
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private boolean isReady(final int currentTick) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
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index 3f55381c1..f32e66010 100644
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index 3f55381c1..17ba052f8 100644
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--- a/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
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+++ b/src/main/java/org/bukkit/craftbukkit/scheduler/CraftTask.java
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@@ -2,8 +2,8 @@ package org.bukkit.craftbukkit.scheduler;
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@ -1705,13 +1705,13 @@ index 3f55381c1..f32e66010 100644
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@Override
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public void run() {
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+ if (timings != null && isSync()) timings.startTiming(); // Paper
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+ try (Timing ignored = timings.startTiming()) { // Paper
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if (rTask != null) {
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rTask.run();
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} else {
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cTask.accept(this);
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}
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+ if (timings != null && isSync()) timings.stopTiming(); // Paper
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+ } // Paper
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}
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long getPeriod() {
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