The Calculated Performance (ZenPacks.zenoss.CalculatedPerformance) ZenPack adds two new datasources types to Zenoss: Calculated Performance, and Datapoint Aggregator.
The Calculated Performance datasource type allows datapoints to be collected that are derived from numeric model properties and the most recent value of other datapoints on the same device or component. This means that only model properties and datapoint values for the device or component the template is