diff --git a/bin/linspector b/bin/linspector
index 5cbea09..340d9a2 100755
--- a/bin/linspector
+++ b/bin/linspector
@@ -34,7 +34,7 @@ from linspector.core.monitors import Monitors
 
 # i currently only set the 3rd number because the goal is that 0.19 will become the first stable
 # version.
-__version__ = '0.19.14.dev1'
+__version__ = '0.19.15.dev1'
 __author__ = 'Johannes Findeisen <you@hanez.org>'
 
 logger = logging.getLogger('linspector')
diff --git a/linspector/core/helpers.py b/linspector/core/helpers.py
index 07d315c..7a3722c 100644
--- a/linspector/core/helpers.py
+++ b/linspector/core/helpers.py
@@ -3,30 +3,42 @@ This file is part of Linspector (https://linspector.org/)
 Copyright (c) 2022 Johannes Findeisen <you@hanez.org>. All Rights Reserved.
 See LICENSE (MIT license)
 """
-import inspect
-
 from logging import getLogger
 
 logger = getLogger('linspector')
 
 
 def log(level, msg):
-    frm = inspect.stack()[1]
-    function_name = frm.function
-    module_name = inspect.getmodule(frm[0]).__name__
-    line_number = str(frm.lineno)
-    if level == 'critical':
-        logger.critical('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
+    # only use inspect when log level NOTSET or DEBUG  is enabled.
+    if logger.isEnabledFor(0) or logger.isEnabledFor(10):
+        import inspect
+        frm = inspect.stack()[1]
+        function_name = frm.function
+        module_name = inspect.getmodule(frm[0]).__name__
+        line_number = str(frm.lineno)
+        if level == 'critical':
+            logger.critical('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
+                            str(msg))
+        if level == 'error':
+            logger.error('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
+                         str(msg))
+        elif level == 'warning':
+            logger.warning('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
+                           str(msg))
+        elif level == 'info':
+            logger.info('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
                         str(msg))
-    if level == 'error':
-        logger.error('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
-                     str(msg))
-    elif level == 'warning':
-        logger.warning('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
-                       str(msg))
-    elif level == 'info':
-        logger.info('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
-                    str(msg))
-    elif level == 'debug':
-        logger.debug('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
-                     str(msg))
+        elif level == 'debug':
+            logger.debug('[' + module_name + ']:[' + function_name + ']:[' + line_number + '] ' +
+                         str(msg))
+    else:
+        if level == 'critical':
+            logger.critical(str(msg))
+        if level == 'error':
+            logger.error(str(msg))
+        elif level == 'warning':
+            logger.warning(str(msg))
+        elif level == 'info':
+            logger.info(str(msg))
+        elif level == 'debug':
+            logger.debug(str(msg))
diff --git a/linspector/core/monitor.py b/linspector/core/monitor.py
index fc55cc6..ce884fa 100644
--- a/linspector/core/monitor.py
+++ b/linspector/core/monitor.py
@@ -51,7 +51,8 @@ class Monitor:
         WARNING  when a job has errors but not the threshold overridden
         RECOVER  when a job recovers e.g. the threshold decrements (not implemented)
         ERROR    when a jobs threshold is overridden
-        UNKNOWN  when a job throws an exception which is not handled by the job itself (not implemented)
+        UNKNOWN  when a job throws an exception which is not handled by the job itself (not 
+        implemented)
         """
         self.status = "NONE"
         self.last_execution = None
@@ -94,7 +95,7 @@ class Monitor:
 
                 service_module = importlib.import_module(service_package)
                 self.__service = monitor_configuration.get('monitor', 'service').lower()
-                service = service_module.create(configuration, environment, **self.__args)
+                service = service_module.create(configuration, environment)
                 self.__services[monitor_configuration.get('monitor', 'service').lower()] = service
         try:
             if configuration.get_option('linspector', 'tasks') or \
@@ -199,7 +200,7 @@ class Monitor:
                 #TaskExecutor.instance().schedule_task(monitor_information, task)
 
     def handle_call(self):
-        log('info', "handle call to identifier: " + self.__identifier)
+        log('info', 'handle call to monitor with identifier: ' + self.__identifier)
         #logger.debug("handle call")
         #logger.debug(self.service)
         if self.enabled:
@@ -207,7 +208,7 @@ class Monitor:
             try:
                 self.last_execution = MonitorExecution(self.get_host())
                 #self.__services[self.__service].execute(self.last_execution)
-                self.__services[self.__service].execute()
+                self.__services[self.__service].execute(**self.__args)
             except Exception as err:
                 log('error', err)
 
diff --git a/linspector/core/service.py b/linspector/core/service.py
index 3d9692a..8daa76a 100644
--- a/linspector/core/service.py
+++ b/linspector/core/service.py
@@ -8,7 +8,6 @@ from linspector.core.helpers import log
 
 class Service:
 
-    def __init__(self, configuration, environment, **kwargs):
+    def __init__(self, configuration, environment):
         self.__configuration = configuration
         self._environment = environment
-        self.__kwargs = kwargs
diff --git a/linspector/services/http/httpkeyword.py b/linspector/services/http/httpkeyword.py
index fea5a6f..c2620f0 100644
--- a/linspector/services/http/httpkeyword.py
+++ b/linspector/services/http/httpkeyword.py
@@ -7,17 +7,16 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return HTTPKeywordService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return HTTPKeywordService(configuration, environment)
 
 
 class HTTPKeywordService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         return
diff --git a/linspector/services/misc/dummy.py b/linspector/services/misc/dummy.py
index 260f75a..8a1821e 100644
--- a/linspector/services/misc/dummy.py
+++ b/linspector/services/misc/dummy.py
@@ -7,19 +7,18 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return DummyService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return DummyService(configuration, environment)
 
 
 class DummyService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
+    def __init__(self, configuration, environment):
         super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         log('debug', 'dummy object @' + str(self))
         #log('debug', 'dummy object @' + str(self) + str(self.__kwargs['foo']))
         return
diff --git a/linspector/services/misc/random.py b/linspector/services/misc/random.py
index 76d5c0b..c88286a 100644
--- a/linspector/services/misc/random.py
+++ b/linspector/services/misc/random.py
@@ -7,17 +7,16 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return RandomService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return RandomService(configuration, environment)
 
 
 class RandomService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         return
diff --git a/linspector/services/net/fritzboxuplink.py b/linspector/services/net/fritzboxuplink.py
index 1dcf8dd..bb67e99 100644
--- a/linspector/services/net/fritzboxuplink.py
+++ b/linspector/services/net/fritzboxuplink.py
@@ -9,18 +9,17 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return FritzboxUplinkService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return FritzboxUplinkService(configuration, environment)
 
 
 class FritzboxUplinkService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         log('debug', 'fritzboxuplink object @' + str(self))
         return
diff --git a/linspector/services/net/ping.py b/linspector/services/net/ping.py
index ec1c252..e675e03 100644
--- a/linspector/services/net/ping.py
+++ b/linspector/services/net/ping.py
@@ -7,17 +7,16 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return PingService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return PingService(configuration, environment)
 
 
 class PingService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         return
diff --git a/linspector/services/net/port.py b/linspector/services/net/port.py
index fe1c19d..3cf9c54 100644
--- a/linspector/services/net/port.py
+++ b/linspector/services/net/port.py
@@ -9,19 +9,18 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return PortService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return PortService(configuration, environment)
 
 
 class PortService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self, execution):
+    def execute(self, execution, **kwargs):
 
         error_code = 0
         msg = "Connection successful established"
diff --git a/linspector/services/net/speedtest.py b/linspector/services/net/speedtest.py
index e6daa9c..3435cdf 100644
--- a/linspector/services/net/speedtest.py
+++ b/linspector/services/net/speedtest.py
@@ -11,23 +11,22 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return SpeedtestService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return SpeedtestService(configuration, environment)
 
 
 class SpeedtestService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
         self.__speedtest_maximum_speed = None
         self.__speedtest_average_speed = None
         self.__speedtest_time_elapsed = None
 
-    def execute(self):
+    def execute(self, **kwargs):
         while True:
             tmp_time = time.localtime(calendar.timegm(time.gmtime()))
             self.__environment.set_env_var('_speedtest_last_run_date',
diff --git a/linspector/services/net/ssh.py b/linspector/services/net/ssh.py
index f3604d7..b8f552d 100644
--- a/linspector/services/net/ssh.py
+++ b/linspector/services/net/ssh.py
@@ -11,19 +11,18 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return SSHService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return SSHService(configuration, environment)
 
 
 class SSHService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         path = os.path.join(os.environ['HOME'], '.ssh', 'id_rsa')
         key = paramiko.RSAKey.from_private_key_file(path)
 
diff --git a/linspector/services/net/tcpconnect.py b/linspector/services/net/tcpconnect.py
index d4f0271..1bc7916 100644
--- a/linspector/services/net/tcpconnect.py
+++ b/linspector/services/net/tcpconnect.py
@@ -7,18 +7,17 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return TCPConnectService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return TCPConnectService(configuration, environment)
 
 
 # TODO: check for all required configuration options and set defaults if needed.
 class TCPConnectService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         return
diff --git a/linspector/services/snmp/get.py b/linspector/services/snmp/get.py
index b1a8d59..72abaab 100644
--- a/linspector/services/snmp/get.py
+++ b/linspector/services/snmp/get.py
@@ -9,17 +9,16 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return GetService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return GetService(configuration, environment)
 
 
 class GetService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         return
diff --git a/linspector/services/sys/shell.py b/linspector/services/sys/shell.py
index 08c3441..c244407 100644
--- a/linspector/services/sys/shell.py
+++ b/linspector/services/sys/shell.py
@@ -7,18 +7,17 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def create(configuration, environment, **kwargs):
-    return ShellService(configuration, environment, **kwargs)
+def create(configuration, environment):
+    return ShellService(configuration, environment)
 
 
 class ShellService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         return
 
diff --git a/linspector/services/sys/uptime.py b/linspector/services/sys/uptime.py
index a6bb1ef..42ee401 100644
--- a/linspector/services/sys/uptime.py
+++ b/linspector/services/sys/uptime.py
@@ -7,17 +7,16 @@ from linspector.core.helpers import log
 from linspector.core.service import Service
 
 
-def get(configuration, environment, **kwargs):
-    return UptimeService(configuration, environment, **kwargs)
+def get(configuration, environment):
+    return UptimeService(configuration, environment)
 
 
 class UptimeService(Service):
 
-    def __init__(self, configuration, environment, **kwargs):
-        super().__init__(configuration, environment, **kwargs)
+    def __init__(self, configuration, environment):
+        super().__init__(configuration, environment)
         self.__configuration = configuration
         self.__environment = environment
-        self.__kwargs = kwargs
 
-    def execute(self):
+    def execute(self, **kwargs):
         return