Create Session Level Performance Objects

Contention information – where user connections have been bottlenecked and waiting to accomplish their requests. Includes waits, locks, and deadlock activity.
SQL Execution metrics – includes per-connection capture and reporting of issued SQL statements and their performance metrics (scans, sorts, etc.)
Time model – where user connections have been spending their time; what activities have consumed most of the each connection’s attention.
I/O statistics – metrics concerning all I/O activity at the user connection level
Resource usage – metrics concerning elements such as memory, CPU, etc., for user connections (if available)
General performance metrics – everything from network activity, etc., for each user connection.