From c9bde4b5405055b8bd05e1ba0a01b6381dcd736e Mon Sep 17 00:00:00 2001
From: "j-h.choi" <j-h.choi@samsung.com>
Date: Mon, 9 May 2022 08:41:35 +0900
Subject: [PATCH] [WIP] Set the MCJ in the candidate process

Change-Id: I95438e3a8ee4a4bbe5e538dc5add317d543a26f0
---
 Managed/Tizen.Runtime/Preloader.cs |  2 +
 Managed/Tizen.Runtime/Profiler.cs  | 96 +++++++++++++++++++++++---------------
 2 files changed, 61 insertions(+), 37 deletions(-)

diff --git a/Managed/Tizen.Runtime/Preloader.cs b/Managed/Tizen.Runtime/Preloader.cs
index 2cfc6f9..afb614d 100644
--- a/Managed/Tizen.Runtime/Preloader.cs
+++ b/Managed/Tizen.Runtime/Preloader.cs
@@ -145,6 +145,8 @@ namespace Tizen.Runtime
 
             GC.Collect();
             GC.WaitForPendingFinalizers();
+
+            Profiler.SetCandidateProcessProfile();
         }
     }
 }
diff --git a/Managed/Tizen.Runtime/Profiler.cs b/Managed/Tizen.Runtime/Profiler.cs
index 4c77fe1..9c40707 100644
--- a/Managed/Tizen.Runtime/Profiler.cs
+++ b/Managed/Tizen.Runtime/Profiler.cs
@@ -1,37 +1,59 @@
-/*
- * Copyright (c) 2021 Samsung Electronics Co., Ltd All Rights Reserved
- *
- * Licensed under the Apache License, Version 2.0 (the License);
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an AS IS BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-using System;
-using System.Runtime;
-using System.Threading.Tasks;
-
-namespace Tizen.Runtime
-{
-    public class Profiler
-    {
-        private static void stop()
-        {
-            Console.WriteLine("Stop profile and write collected data");
-            ProfileOptimization.StartProfile(null);
-        }
-
-        public static void StopProfileAfterDelay(int sec)
-        {
-            Console.WriteLine($"Stop profile after {sec} sec");
-            Task.Delay(sec * 1000).ContinueWith(_ => stop());
-        }
-    }
-}
+/*
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.IO;
+using System.Runtime;
+using System.Threading.Tasks;
+
+namespace Tizen.Runtime
+{
+    public class Profiler
+    {
+
+        const string profilePath = "/home/owner/data/.__tizen_candidate_profile_data";
+
+        private static void stop()
+        {
+            Console.WriteLine("Stop profile and write collected data");
+            ProfileOptimization.StartProfile(null);
+        }
+
+        public static void StopProfileAfterDelay(int sec)
+        {
+            Console.WriteLine($"Stop profile after {sec} sec");
+            Task.Delay(sec * 1000).ContinueWith(_ => stop());
+        }
+
+        public static void SetCandidateProcessProfile()
+        {
+            try
+            {
+                if (File.Exists(profilePath))
+                {
+                    Environment.SetEnvironmentVariable("COMPlus_MultiCoreJitNoProfileGather", "1");
+                    Environment.SetEnvironmentVariable("COMPlus_MultiCoreJitMinNumCpus", "1");
+                    ProfileOptimization.SetProfileRoot("");
+                    ProfileOptimization.StartProfile(profilePath);
+                }
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine(e.ToString());
+            }
+        }
+    }
+}
-- 
2.7.4