The super metric is a mathematical formula that contains one or more metrics. It is a custom metric that you design and is useful when you need to track combinations of metrics, either from a single object or from multiple objects. If a single metric cannot tell you what you need to know about the behavior of your environment, you can define a super metric.
After you define it, you assign the super metric to one or more object types. This action calculates the super metric for the objects in that object type and simplifies the metrics display. For example, if you define a super metric that calculates the average CPU usage on all virtual machines, and you assign the super metric to a cluster, the average CPU usage on all virtual machines in that cluster is reported as a super metric for the cluster.
When the super metric attribute is enabled in a policy, you can also collect super metrics from a group of objects associated with a policy.