TSCO can virtually integrate any data source including CA performance management.
List of available integrations is avaiable at: Overview of ETLs - Documentation for BMC TrueSight Capacity Optimization 11.3 - BMC Documentation .
At the moment there is not an out-of-the box ETL available for CA performance management. You may want to take a look into the Marketplace to check whether there is any template available.
In any case since it is not available OOTB at the moment it is a roadmap item and it is more a question for our PM Dennis Newberry.
I hope it helps,