QDIP entry for QDIO performance statistics
- Entry:
- QDIP
- VIT option:
- CIA
- Subtrace Type:
- DIO
- Event:
- QDIO performance statistics
- VIT processing module:
- ISTITCOD
- Control is returned to:
- IUTLLCDQ
This trace record is written during data transmission to and from OSA-Express® adapters operating in QDIO mode. Its purpose is to report performance statistics about the adapter.
- Byte (hex)
- Contents
- 00–03
- Record ID: C"QDIP"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Direction:
- C'O' for outbound
- C'I' for inbound
- 07
- 0
- 08–0B
- Device address in EBCDIC (as specified in the TRL deck)
- 0C–0F
- DINCB address
- 10–11
- The number of iterations performed looking for data during initial inbound processing.
- 12–13
- The number of iterations performed looking for data after return from the ULP
- 14–19
- 0
- 1A–1B
- Module identifier for the module that issued the INTRACE
- 1C–1F
- Request parameter header (RPH) address