Paper/patches/server/0757-Time-scoreboard-search.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Tue, 21 Apr 2020 01:53:22 -0700
Subject: [PATCH] Time scoreboard search

Plugins leaking scoreboards will make this very expensive,
let server owners debug it easily

diff --git a/src/main/java/co/aikar/timings/MinecraftTimings.java b/src/main/java/co/aikar/timings/MinecraftTimings.java
index a977f7483f37df473096b2234dc1308bbaa6a8b6..bb5f079a10b15d7b9f2ab5a8af67c559ffa5b371 100644
--- a/src/main/java/co/aikar/timings/MinecraftTimings.java
+++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
@@ -45,6 +45,7 @@ public final class MinecraftTimings {
     public static final Timing antiXrayUpdateTimer = Timings.ofSafe("anti-xray - update");
     public static final Timing antiXrayObfuscateTimer = Timings.ofSafe("anti-xray - obfuscate");
     public static final Timing distanceManagerTick = Timings.ofSafe("Distance Manager Tick"); // Paper - add timings for distance manager
+    public static final Timing scoreboardScoreSearch = Timings.ofSafe("Scoreboard score search"); // Paper - add timings for scoreboard search
 
     public static final Timing midTickChunkTasks = Timings.ofSafe("Mid Tick Chunk Tasks");
 
diff --git a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
index 8ccfe9488db44d7d2cf4040a5b4cead33da1d5f4..1a3b1eb7b70b9a668aa33ea943c13890eaa23a05 100644
--- a/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
+++ b/src/main/java/org/bukkit/craftbukkit/scoreboard/CraftScoreboardManager.java
@@ -113,9 +113,18 @@ public final class CraftScoreboardManager implements ScoreboardManager {
 
     // CraftBukkit method
     public void getScoreboardScores(ObjectiveCriteria criteria, String name, Consumer<Score> consumer) {
+        // Paper start - add timings for scoreboard search
+        // plugins leaking scoreboards will make this very expensive, let server owners debug it easily
+        co.aikar.timings.MinecraftTimings.scoreboardScoreSearch.startTimingIfSync();
+        try {
+        // Paper end - add timings for scoreboard search
         for (CraftScoreboard scoreboard : this.scoreboards) {
             Scoreboard board = scoreboard.board;
             board.forAllObjectives(criteria, name, (score) -> consumer.accept(score));
         }
+        } finally { // Paper start - add timings for scoreboard search
+            co.aikar.timings.MinecraftTimings.scoreboardScoreSearch.stopTimingIfSync();
+        }
+        // Paper end - add timings for scoreboard search
     }
 }