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, Operating System Functions and Resources Used by Databases