diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 91f9060..37d91db 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -25,5 +25,5 @@
 	"workspaceMount": "source=${localWorkspaceFolder},target=/sledge,type=bind,consistency=cached",
 	"workspaceFolder": "/sledge",
 	"postCreateCommand": "make -C /sledge install && make -B -C /sledge/runtime/tests clean all",
-	"containerUser": "dev",
+	"containerUser": "dev"
 }
diff --git a/.env b/.env
index 25bcbe5..b79098b 100644
--- a/.env
+++ b/.env
@@ -1,3 +1,2 @@
 LD_LIBRARY_PATH=/home/hai/sledge-serverless-framework/runtime/bin
 SLEDGE_SCHEDULER=EDF
-SLEDGE_SANDBOX_PERF_LOG=/home/hai/sledge-serverless-framework/debuglog.txt
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 670e39e..1654267 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -1,52 +1,73 @@
 {
-	// Use IntelliSense to learn about possible attributes.
-	// Hover to view descriptions of existing attributes.
-	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-	"version": "0.2.0",
-	"configurations": [
-		{
-			"name": "Hyde",
-			"type": "cppdbg",
-			"request": "launch",
-			"program": "${workspaceFolder}/runtime/bin/sledgert",
-			"args": [
-				"${workspaceFolder}/runtime/experiments/applications/ocr/hyde/spec.json"
-			],
-			"stopAtEntry": false,
-			"cwd": "${workspaceFolder}",
-			"environment": [],
-			"externalConsole": false,
-			"MIMode": "gdb",
-			"envFile": "${workspaceFolder}/.env",
-			"setupCommands": [
-				{
-					"description": "Enable pretty-printing for gdb",
-					"text": "-enable-pretty-printing",
-					"ignoreFailures": true
-				}
-			]
-		},
-		{
-			"name": "Preemption",
-			"type": "cppdbg",
-			"request": "launch",
-			"program": "${workspaceFolder}/runtime/bin/sledgert",
-			"args": [
-				"${workspaceFolder}/runtime/experiments/preemption/spec.json"
-			],
-			"stopAtEntry": false,
-			"cwd": "${workspaceFolder}",
-			"environment": [],
-			"externalConsole": false,
-			"MIMode": "gdb",
-			"envFile": "${workspaceFolder}/.env",
-			"setupCommands": [
-				{
-					"description": "Enable pretty-printing for gdb",
-					"text": "-enable-pretty-printing",
-					"ignoreFailures": true
-				}
-			]
-		}
-	]
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "name": "Hyde",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "${workspaceFolder}/runtime/bin/sledgert",
+      "args": [
+        "${workspaceFolder}/runtime/experiments/applications/ocr/hyde/spec.json"
+      ],
+      "stopAtEntry": false,
+      "cwd": "${workspaceFolder}",
+      "environment": [
+        {
+          "name": "SLEDGE_SANDBOX_PERF_LOG",
+          "value": "${workspaceFolder}/debug.log"
+        }
+      ],
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "envFile": "${workspaceFolder}/.env",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        }
+      ]
+    },
+    {
+      "name": "Preemption",
+      "type": "cppdbg",
+      "request": "launch",
+      "program": "${workspaceFolder}/runtime/bin/sledgert",
+      "args": [
+        "${workspaceFolder}/runtime/experiments/preemption/spec.json"
+      ],
+      "stopAtEntry": false,
+      "cwd": "${workspaceFolder}",
+      "environment": [],
+      "externalConsole": false,
+      "MIMode": "gdb",
+      "envFile": "${workspaceFolder}/.env",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        }
+      ]
+    },
+    {
+      "name": "C/C++ Runner: Debug Session",
+      "type": "cppdbg",
+      "request": "launch",
+      "args": [],
+      "stopAtEntry": false,
+      "externalConsole": false,
+      "cwd": "/home/hai/sledge-serverless-framework/runtime/src",
+      "program": "/home/hai/sledge-serverless-framework/runtime/src/build/Debug/outDebug",
+      "MIMode": "gdb",
+      "miDebuggerPath": "gdb",
+      "setupCommands": [
+        {
+          "description": "Enable pretty-printing for gdb",
+          "text": "-enable-pretty-printing",
+          "ignoreFailures": true
+        }
+      ]
+    }
+  ]
 }
\ No newline at end of file
diff --git a/debuglog.txt b/debuglog.txt
deleted file mode 100755
index e69de29..0000000
diff --git a/runtime/Makefile b/runtime/Makefile
index bfce289..0c9be7c 100644
--- a/runtime/Makefile
+++ b/runtime/Makefile
@@ -59,7 +59,7 @@ CFLAGS += -DLOG_TO_FILE
 # CFLAGS += -DLOG_PREEMPTION
 # CFLAGS += -DLOG_MODULE_LOADING
 # CFLAGS += -DOPT_AVOID_GLOBAL_QUEUE
-# CFLAGS += -DLOG_RUNTIME_FILE_LOG
+ CFLAGS += -DLOG_RUNTIME_FILE_LOG
  CFLAGS += -DLOG_RUNTIME_MEM_LOG
 
 # This dumps per module *.csv files containing the cycle a sandbox has been in RUNNING when each
diff --git a/runtime/src/module.c b/runtime/src/module.c
index 521ed5c..45c1887 100644
--- a/runtime/src/module.c
+++ b/runtime/src/module.c
@@ -602,7 +602,14 @@ module_new_from_json(char *file_name)
 			if (module == NULL) goto module_new_err;
 			
 			assert(module);
-			if(is_tail_module) module->is_parent = true;
+			if(is_tail_module) 
+			{
+				module->is_parent = true;
+			}else
+			{
+				module->is_parent = false;
+			}
+			
 			nodes[i] = module;
 			// if (tail_module != NULL) { tail_module->next_module = module; }
 			// tail_module			= module;