diff --git a/tools/verification/dot2/dot2k b/tools/verification/dot2/dot2k
index 767064f415e7..133fb17d9d47 100644
--- a/tools/verification/dot2/dot2k
+++ b/tools/verification/dot2/dot2k
@@ -13,30 +13,33 @@ if __name__ == '__main__':
     import argparse
     import sys
 
-    def is_container():
-        """Should work even before parsing the arguments"""
-        return "-c" in sys.argv or "--container" in sys.argv
-
     parser = argparse.ArgumentParser(description='transform .dot file into kernel rv monitor')
-    parser.add_argument('-d', "--dot", dest="dot_file", required=not is_container())
-    parser.add_argument('-t', "--monitor_type", dest="monitor_type", required=not is_container(),
-                        help=f"Available options: {', '.join(dot2k.monitor_types.keys())}")
-    parser.add_argument('-n', "--model_name", dest="model_name", required=is_container())
     parser.add_argument("-D", "--description", dest="description", required=False)
     parser.add_argument("-a", "--auto_patch", dest="auto_patch",
                         action="store_true", required=False,
                         help="Patch the kernel in place")
-    parser.add_argument("-p", "--parent", dest="parent",
-                        required=False, help="Create a monitor nested to parent")
-    parser.add_argument("-c", "--container", dest="container",
-                        action="store_true", required=False,
-                        help="Create an empty monitor to be used as a container")
+
+    subparsers = parser.add_subparsers(dest="subcmd", required=True)
+
+    monitor_parser = subparsers.add_parser("monitor")
+    monitor_parser.add_argument('-n', "--model_name", dest="model_name")
+    monitor_parser.add_argument("-p", "--parent", dest="parent",
+                                required=False, help="Create a monitor nested to parent")
+    monitor_parser.add_argument('-d', "--dot", dest="dot_file")
+    monitor_parser.add_argument('-t', "--monitor_type", dest="monitor_type",
+                                help=f"Available options: {', '.join(dot2k.monitor_types.keys())}")
+
+    container_parser = subparsers.add_parser("container")
+    container_parser.add_argument('-n', "--model_name", dest="model_name", required=True)
+
     params = parser.parse_args()
 
-    if not is_container():
-        print("Opening and parsing the dot file %s" % params.dot_file)
     try:
-        monitor=dot2k(params.dot_file, params.monitor_type, vars(params))
+        if params.subcmd == "monitor":
+            print("Opening and parsing the dot file %s" % params.dot_file)
+            monitor = dot2k(params.dot_file, params.monitor_type, vars(params))
+        else:
+            monitor = dot2k(None, None, vars(params))
     except Exception as e:
         print('Error: '+ str(e))
         print("Sorry : :-(")
@@ -45,7 +48,7 @@ if __name__ == '__main__':
     print("Writing the monitor into the directory %s" % monitor.name)
     monitor.print_files()
     print("Almost done, checklist")
-    if not is_container():
+    if params.subcmd == "monitor":
         print("  - Edit the %s/%s.c to add the instrumentation" % (monitor.name, monitor.name))
         print(monitor.fill_tracepoint_tooltip())
     print(monitor.fill_makefile_tooltip())
diff --git a/tools/verification/dot2/dot2k.py b/tools/verification/dot2/dot2k.py
index 0922754454b9..9ec99e297012 100644
--- a/tools/verification/dot2/dot2k.py
+++ b/tools/verification/dot2/dot2k.py
@@ -19,7 +19,7 @@ class dot2k(Dot2c):
     monitor_type = "per_cpu"
 
     def __init__(self, file_path, MonitorType, extra_params={}):
-        self.container = extra_params.get("container")
+        self.container = extra_params.get("subcmd") == "container"
         self.parent = extra_params.get("parent")
         self.__fill_rv_templates_dir()