The topas command is a performance monitoring tool that is ideal for broad spectrum performance analysis. The command is capable of reporting on local system statistics such as:
CPU events and queues
memory and paging use
Topas can report on the top hot processes of the system as well as on Workload Manager (WLM) hot classes. The WLM class information is only displayed when WLM is active. The topas command defines hot processes as those processes that use a large amount of CPU time. The topas command does not have an option for logging information. All information is real time.
The topas command is located at /usr/bin/topas and is part of the bos.perf.tools ...