docs: def list_monitor_data(kwargs=None, call=None):
      '''
      Get monitor data of the instance. If instance name is
      missing, will show all the instance monitor data on the region.
  
      CLI Examples:
  
      .. code-block:: bash
  
          salt-cloud -f list_monitor_data aliyun
          salt-cloud -f list_monitor_data aliyun name=AY14051311071990225bd
      '''
      if call != 'function':
          raise SaltCloudSystemExit(
              'The list_monitor_data must be called with -f or --function.'
          )
  
      if not isinstance(kwargs, dict):
          kwargs = {}
  
      ret = {}
      params = {
          'Action': 'GetMonitorData',
          'RegionId': get_location()
      }
      if 'name' in kwargs:
          params['InstanceId'] = kwargs['name']
  
      items = query(params=params)
  
      monitorData = items['MonitorData']
  
      for data in monitorData['InstanceMonitorData']:
          ret[data['InstanceId']] = {}
          for item in data:
              ret[data['InstanceId']][item] = six.text_type(data[item])
  
      return ret