diff --git a/app_class.py b/app_class.py
new file mode 100644
index 0000000..b1cb5c7
--- /dev/null
+++ b/app_class.py
@@ -0,0 +1,10 @@
+from logger import getLogger
+from config import Config
+
+
+class AppClass:
+    def __init__(self, _config: Config, testmode: bool = False) -> None:
+        self.testmode = testmode
+        self._config = _config
+        self.log = getLogger(self.__class__.__name__, loglevel=_config.loglevel.upper())
+        self.log.info(f'initializing {self.__class__.__name__}')
\ No newline at end of file
diff --git a/governor.py b/governor.py
new file mode 100644
index 0000000..3b532fe
--- /dev/null
+++ b/governor.py
@@ -0,0 +1,22 @@
+from app_class import AppClass
+from config import Config
+from cpufreq import cpuFreq
+from functools import cached_property
+
+
+class Governor(AppClass):
+    def __init__(self, _config: Config, testmode: bool = False) -> None:
+        super().__init__(_config, testmode)
+
+    @cached_property
+    def cpufreq(self) -> cpuFreq:
+        if self.testmode:
+            self.log.info("setting up governor in testmode")
+        return cpuFreq()
+    
+    def set_governor(self, governor_name: str) -> None:
+        self.log.debug("setting governor to %s by using command self.cpufreq.set_governors(%s)", governor_name)
+        if self.testmode:
+            self.log.warning("application is running in testmode, governor not set")
+            return None
+        self.cpufreq.set_governors(governor_name)
diff --git a/trigger.py b/trigger.py
index d0c928e..cdd23a6 100644
--- a/trigger.py
+++ b/trigger.py
@@ -1,12 +1,10 @@
-from logger import getLogger
+from app_class import AppClass
 from config import Config, TriggerTuple, MissingConfig
 
-class Trigger:
-    def __init__(self, name: str, _config: Config) -> None:
+class Trigger(AppClass):
+    def __init__(self, name: str, _config: Config, testmode: bool = False) -> None:
+        super().__init__(_config, testmode)
         self.name = name
-        self._config = _config
-        self.log = getLogger('trigger', loglevel=_config.loglevel.upper())
-        self.log.info(f'initializing {self.__class__.__name__}')
         
     @property
     def config(self) -> TriggerTuple:
@@ -14,5 +12,3 @@ class Trigger:
         if _config is None:
             raise MissingConfig(f"Trigger {self.name} hasn't been properly configured")
         return _config
-    
-    
\ No newline at end of file
diff --git a/triggers/roon.py b/triggers/roon.py
index fb3c948..a7b2fae 100644
--- a/triggers/roon.py
+++ b/triggers/roon.py
@@ -2,6 +2,6 @@ from trigger import Trigger
 from config import Config
 
 class RoonTrigger(Trigger):
-    def __init__(self, name: str, _config: Config) -> None:
-        super().__init__(name, _config)
+    def __init__(self, name: str, _config: Config, testmode: bool = False) -> None:
+        super().__init__(name, _config, testmode)
         
\ No newline at end of file