Thread Statistics 
In the Kernel Threads user menu in the DBA Cockpit you can find, among other things, a display of statistical values of task activities.
Procedure
Open the DBA Cockpit (transaction code DBACOCKPIT) and select 
Performance 
Kernel Threads Thread Statistics 
.
Result
The system collects statistical values for the threads since the last start of the system.
More Information
Concepts of the Database System, Process Structure