IRBD entry for IRB dispatch
- Entry:
- IRBD
- VIT option:
- PSS
- Event:
- IRB dispatch
- VIT processing module:
- ISTRACPS
- Control is returned to:
- ISTAPCIE
This trace record provides information when an interrupt request block (IRB) is dispatched. See z/OS Communications Server: SNA Diagnosis Vol 1, Techniques and Procedures to determine what document contains a map of the TCB.
Note: For this trace record to be created, in addition to
specifying the PSS option you must specify IRB or BOTH on the PSSTRACE
start option.
- Byte (hex)
- Contents
- 00–03
- Record ID: C"IRBD"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05–07
- 0
- 08–0B
- PST address
- 0C–0F
- PST synchronous TPPOSTed queue anchor (PSTSTPP)
- 10–13
- PST synchronous normal queue anchor (PSTSNRM)
- 14–17
- IRB address (TCBRBP)
- 18–1B
- TCB address (PSTTCBA)
- 1C–1D
- PST flags (PSTFLG1)
- 1E–1F
- 0