get_on_demand_metrics
Gets a list of metrics that can be immediately collected with the collect_metric EM CLI verb. From this list, identify the metric you are interested in under the Metric Name column, then use its corresponding Metric Internal name in the collect_metric verb.
Format
emcli get_on_demand_metrics      -target_type=type
      -target_name=nameOptions
- 
                        target_type Internal target type identifier, such as host, oracle_database, oc4j, oracle_emrep, and oracle_emd. 
- 
                        target_name Name of the target. 
Examples
This example shows a list of collectible metrics for the host target called hostname.example.com.
emcli get_on_demand_metrics -target_type=host -target_name=hostname.example.com