- Entry:
- SRBX
- VIT option:
- PSS
- Event:
- SRB exit
- VIT processing module:
- ISTRACPS
- Control is returned to:
- ISTAPCSX, ISTAPCTX, or ISTAPCAD
This trace record provides information when PSS exits
an SRB. For this trace record to be created, you must specify the
PSS VIT option, and you must specify SRB or BOTH on the PSSTRACE start
option. 
- Byte (hex)
- Contents
- 00–03
- Record ID: C"SRBX"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- Reason code for SRB exit
- 06–07
- 0
- 08–0B
- PST address
- 0C–0F
- PST LIFO asynchronous dispatchable queue (PSTADSP)
- 10–13
- PST FIFO asynchronous dispatchable queue (PSTALIST)
- 14–17
- New ASCB address
- 18–1B
- Old ASCB address
- 1C–1F
- Address of the module issuing the SRBX trace event