You can configure a session to collect performance details and store them in the PowerCenter repository. Collect performance data for a session to view performance details while the session runs. Write performance data for a session in the PowerCenter repository to store and view performance details for previous session runs.
If you want to write performance data to the repository you must perform the following tasks:
Configure the session to collect performance data.
Configure the session to write performance data to repository.
Configure Integration Service to persist run-time statistics to the repository at the verbose level.
The Workflow Monitor displays performance details for each session that is configured to collect or write performance details.