GTF builds an EXT minimal record when an external interruption occurs and TRACE=SYSM is the GTF option in effect.
The FID for the EXT minimal trace record is X'03'. An EID of X'6201' indicates an external interruption.
| Offset | Size | Description |
|---|---|---|
| 0 (0) | 4 | ASCB. |
| 4 (4) | 2 | CPUID. |
| 6 (6) | 16 | External old PSW. |
| 22 (16) | 4 | TCB of interrupted task or N/A. |
| 26 (1A) | 4 | NTQE TCB or INT CPU or N/A. |