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Fix tick loop bug - Fixes #624

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We were not calculating time after the sleep ,resulting in wrong
calculations. This caused us to go 100ms, 0ms, 100ms, 0 ms repeatedly.
This commit is contained in:
chickeneer 2017-03-10 03:01:46 -05:00 committed by Aikar
parent 71d0330810
commit ff73ad6dde
1 changed files with 7 additions and 7 deletions
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14
Spigot-Server-Patches/0020-Further-improve-server-tick-loop.patch
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@ -1,4 +1,4 @@
From bfa96ef58792ce8ee38410f4338d7860aa503a4b Mon Sep 17 00:00:00 2001
From f34109ceb110e7cc63f4d4d037245a64ff5a2449 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Tue, 1 Mar 2016 23:09:29 -0600
Subject: [PATCH] Further improve server tick loop
@ -12,7 +12,7 @@ Previous implementation did not calculate TPS correctly.
Switch to a realistic rolling average and factor in std deviation as an extra reporting variable
diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
index 7539bb215..91fb12128 100644
index 7539bb215..4476799d8 100644
--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
@@ -113,16 +113,12 @@ public abstract class MinecraftServer implements Runnable, ICommandListener, IAs
@ -107,13 +107,12 @@ index 7539bb215..91fb12128 100644
+ if (wait > 0) {
+ if (catchupTime < 2E6) {
+ wait += Math.abs(catchupTime);
+ }
+ if (wait < catchupTime) {
+ } else if (wait < catchupTime) {
+ catchupTime -= wait;
+ wait = 0;
+ } else if (catchupTime > 2E6) {
+ } else {
+ wait -= catchupTime;
+ catchupTime -= catchupTime;
+ catchupTime = 0;
+ }
+ }
if (wait > 0) {
@ -122,6 +121,7 @@ index 7539bb215..91fb12128 100644
- continue;
- } else {
- catchupTime = Math.min(1000000000, Math.abs(wait));
+ curTime = System.nanoTime();
+ wait = TICK_TIME - (curTime - lastTick);
}
@ -210,5 +210,5 @@ index be2e31dea..6d21c3269 100644
return ( ( tps > 18.0 ) ? ChatColor.GREEN : ( tps > 16.0 ) ? ChatColor.YELLOW : ChatColor.RED ).toString()
+ ( ( tps > 20.0 ) ? "*" : "" ) + Math.min( Math.round( tps * 100.0 ) / 100.0, 20.0 );
--
2.11.0.windows.3
2.11.0