Timing values accumulated for the address space under TCB control
include:
- Problem program time
- SVCs
- Lock spins encountered in an MP environment
- EMS (emergency signals between CPUs) interrupt occurring within
a lock spin
- Abend/Abterm
- User SPIE and ESPIE exit processing.
Times excluded are:
- External interrupt time
- Page fault processing time, including resolving page faults from
expanded storage
- CPU “stopped” time if the QUIESCE command is used
- Attention processing time for TSO/E.
The following times are excluded but are available in record type
30:
- I/O interrupt time (accumulated separately in SMF30IIP)
- Swap-out/swap-in processing and I/O error recovery processing
(accumulated separately in SMF30RCT)
- Managing hiperspaces
- Program check handling.