- Entry:
- IPTC
- VIT option:
- TCP
- Event:
- Alteration of a timer FSM state
- VIT processing module:
- ISTRACIP
- Control is returned to:
- The module that issued the INTRACE macroinstruction
This trace record is written when the current state of
an Enterprise Extender timer changes. 
- Byte (hex)
- Contents
- 00–03
- Record ID: C"IPTC"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05
- 0
- 06
- Old Enterprise Extender clock state
- P
- Pending stop
- R
- Running
- S
- Stopped
- 07
- New Enterprise Extender clock state
- P
- Pending stop
- R
- Running
- S
- Stopped
- 08–0F
- Time stamp of IPTC entry
- 10–13
- Total number of timers currently on the Enterprise Extender clock
- 14–17
- Number of liveness timers on the Enterprise Extender clock
- 18–1B
- Number of timers on the late queue
- 1C–1D
- Request parameter header (RPH) address