gistfile1.txt

{  
   "start":"1h-ago",
   "end":"0s-ago",
   "series":true,
   "downsample":"10s-avg",
   "tags":{  

   },
   "returnset":"EXACT",
   "metrics":[  
      {  
         "metric":"ifHCInOctets",
         "rate":true,
         "rateOptions":{  
            "counter":true
         },
         "aggregator":"avg",
         "tags":{  
            "datasource":[  
               "ifHCInOctets"
            ],
            "key":[  
               "Devices/test-rhel6.zenoss.loc/os/interfaces/lo"
            ]
         },
         "name":"lo ifHCInOctets-rpn",
         "emit":false
      },
      {  
         "name":"lo ifHCInOctets",
         "expression":"rpn:lo ifHCInOctets-rpn,8,*"
      },
      {  
         "metric":"ifHCOutOctets",
         "rate":true,
         "rateOptions":{  
            "counter":true
         },
         "aggregator":"avg",
         "tags":{  
            "datasource":[  
               "ifHCOutOctets"
            ],
            "key":[  
               "Devices/test-rhel6.zenoss.loc/os/interfaces/lo"
            ]
         },
         "name":"lo ifHCOutOctets-rpn",
         "emit":false
      },
      {  
         "name":"lo ifHCOutOctets",
         "expression":"rpn:lo ifHCOutOctets-rpn,8,*"
      }
   ]
}