docs: def log(self, timer_name, node):
          ''' logs a event in the timer '''
          timestamp = time.time()
          if hasattr(self, timer_name):
              getattr(self, timer_name).append({
                  "node":node,
                  "time":timestamp})
          else:
              setattr(self, timer_name, [{"node":node, "time":timestamp}])