BusTracker
- class mtf.tracker.bus_tracker.BusTracker
- listener: BusListener
 - __init__(*args, **kwargs)
 - classmethod get_instance(bus_name: str, protocol: str)
- Create an instance using a protocol name. 
 - classmethod get_instance_from_listener(bus_listener: BusListener)
- Create an instance using an existing BusListener instance. 
 - check_cyclicity(cycle: int, tolerance: int)
- Args:
- cycle: ms tolerance: ms 
 - Returns: