From 943d0935a624710b2d38bd4be906aaada2c2d1fe Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Fri, 22 Nov 2019 07:01:17 +0000
Subject: YEngine, change default number of exec threads to 2 of priority
 Normal. Let the threads priority a option on ini files

---
 OpenSim/Region/ScriptEngine/YEngine/XMREngine.cs   | 28 +++++++++++++++++++---
 .../Region/ScriptEngine/YEngine/XMRScriptThread.cs |  6 ++---
 2 files changed, 28 insertions(+), 6 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Region/ScriptEngine/YEngine/XMREngine.cs b/OpenSim/Region/ScriptEngine/YEngine/XMREngine.cs
index d2b4ebd..5dcaa8f 100644
--- a/OpenSim/Region/ScriptEngine/YEngine/XMREngine.cs
+++ b/OpenSim/Region/ScriptEngine/YEngine/XMREngine.cs
@@ -207,8 +207,8 @@ namespace OpenSim.Region.ScriptEngine.Yengine
             if(!m_Enabled)
                 return;
 
-            numThreadScriptWorkers = m_Config.GetInt("NumThreadScriptWorkers", 1);
-
+            numThreadScriptWorkers = m_Config.GetInt("NumThreadScriptWorkers", 2);
+            string priority = m_Config.GetString("Priority", "Normal");
             m_TraceCalls = m_Config.GetBoolean("TraceCalls", false);
             m_Verbose = m_Config.GetBoolean("Verbose", false);
             m_ScriptDebug = m_Config.GetBoolean("ScriptDebug", false);
@@ -250,9 +250,31 @@ namespace OpenSim.Region.ScriptEngine.Yengine
                 return;
             }
 
+            ThreadPriority workersPrio = ThreadPriority.Normal;
+            switch (priority)
+            {
+                case "Lowest":
+                    workersPrio = ThreadPriority.Lowest;
+                    break;
+                case "BelowNormal":
+                    workersPrio = ThreadPriority.BelowNormal;
+                    break;
+                case "Normal":
+                    workersPrio = ThreadPriority.Normal;
+                    break;
+                case "AboveNormal":
+                    workersPrio = ThreadPriority.AboveNormal;
+                    break;
+                case "Highest":
+                    workersPrio = ThreadPriority.Highest;
+                    break;
+                default:
+                    m_log.ErrorFormat("[YEngine] Invalid thread priority: '{0}'. Assuming Normal", priority);
+                    break;
+            }
             m_SleepThread = StartMyThread(RunSleepThread, "Yengine sleep", ThreadPriority.Normal);
             for(int i = 0; i < numThreadScriptWorkers; i++)
-                StartThreadWorker(i);
+                StartThreadWorker(i, workersPrio);
 
             m_log.InfoFormat("[YEngine]: Enabled, {0}.{1} Meg (0x{2}) stacks",
                     (m_StackSize >> 20).ToString(),
diff --git a/OpenSim/Region/ScriptEngine/YEngine/XMRScriptThread.cs b/OpenSim/Region/ScriptEngine/YEngine/XMRScriptThread.cs
index f68fd51..c71eb81 100644
--- a/OpenSim/Region/ScriptEngine/YEngine/XMRScriptThread.cs
+++ b/OpenSim/Region/ScriptEngine/YEngine/XMRScriptThread.cs
@@ -56,13 +56,13 @@ namespace OpenSim.Region.ScriptEngine.Yengine
             }
         }
 
-        public void StartThreadWorker(int i)
+        public void StartThreadWorker(int i, ThreadPriority priority)
         {
             Thread thd;
             if(i >= 0)
-                thd = Yengine.StartMyThread(RunScriptThread, "YScript" + i.ToString(), ThreadPriority.BelowNormal);
+                thd = Yengine.StartMyThread(RunScriptThread, "YScript" + i.ToString(), priority);
             else
-                thd = Yengine.StartMyThread(RunScriptThread, "YScript", ThreadPriority.BelowNormal);
+                thd = Yengine.StartMyThread(RunScriptThread, "YScript", priority);
             lock(m_WakeUpLock)
                 m_RunningInstances.Add(thd.ManagedThreadId, null);
         }
-- 
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