Paper/patches/server/0757-Distance-manager-tick-timings.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <spottedleaf@spottedleaf.dev>
Date: Sat, 18 Jul 2020 16:03:57 -0700
Subject: [PATCH] Distance manager tick timings

Recently this has been taking up more time, so add a timings to
really figure out how much.

diff --git a/src/main/java/co/aikar/timings/MinecraftTimings.java b/src/main/java/co/aikar/timings/MinecraftTimings.java
index eada966d7f108a6081be7a848f5c1dfcb1eed676..a977f7483f37df473096b2234dc1308bbaa6a8b6 100644
--- a/src/main/java/co/aikar/timings/MinecraftTimings.java
+++ b/src/main/java/co/aikar/timings/MinecraftTimings.java
@@ -44,6 +44,7 @@ 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 midTickChunkTasks = Timings.ofSafe("Mid Tick Chunk Tasks");
 
diff --git a/src/main/java/net/minecraft/server/level/ServerChunkCache.java b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
index a2f7f3a153b512bf1cd96ec4bbe3173aa467825a..204fc634fdbcff8ff9f4b570c50a76401dcc8bd6 100644
--- a/src/main/java/net/minecraft/server/level/ServerChunkCache.java
+++ b/src/main/java/net/minecraft/server/level/ServerChunkCache.java
@@ -821,6 +821,7 @@ public class ServerChunkCache extends ChunkSource {
     public boolean runDistanceManagerUpdates() {
         if (distanceManager.delayDistanceManagerTick) return false; // Paper - Chunk priority
         if (this.chunkMap.unloadingPlayerChunk) { net.minecraft.server.MinecraftServer.LOGGER.fatal("Cannot tick distance manager while unloading playerchunks", new Throwable()); throw new IllegalStateException("Cannot tick distance manager while unloading playerchunks"); } // Paper
+        co.aikar.timings.MinecraftTimings.distanceManagerTick.startTiming(); try { // Paper - add timings for distance manager
         boolean flag = this.distanceManager.runAllUpdates(this.chunkMap);
         boolean flag1 = this.chunkMap.promoteChunkMap();
 
@@ -830,6 +831,7 @@ public class ServerChunkCache extends ChunkSource {
             this.clearCache();
             return true;
         }
+        } finally { co.aikar.timings.MinecraftTimings.distanceManagerTick.stopTiming(); } // Paper - add timings for distance manager
     }
 
     // Paper start - helper