GTF builds an SVC minimal record when an SVC interruption occurs and TRACE=SYSM is the GTF option in effect. The FID for the SVC minimal trace record is X'010'. The EID is X'1000'.
| Offset | Size | Description |
|---|---|---|
| 0 (0) | 4 | ASCB. |
| 4 (4) | 2 | CPUID. |
| 6 (6) | 16 | SVC old PSW. The seventh and eighth bytes contain the SVC number. |
| 22 (16) | 4 | Old TCB. |
| 26 (1A) | 4 | Register 15. |
| 30 (1E) | 4 | Register 0. |
| 34 (22) | 4 | Register 1. |