8.179 T? (Instruction trace query)

8.179.1 Function

The “T?” command displays whether instruction tracing is on or off and the range if any.

8.179.2 Syntax

Descriptive

T?

Diagram

Êʬ¬¬ T? ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ÊÍ

8.179.3 Parameter

None.

8.179.4 Examples

Example 1:

Query instruction tracing.

HHC00013I Herc command: 't?'

HHC02229I Instruction tracing off range 1000000-1001000

Figure 317: T? command

8.180 T{+/-} CKD (Turn CKD_KEY tracing on or off)

8.180.1 Function

The “T{+/-}CKD” command turns the CKD key tracing on (T+CKD) or turns it off (T-CKD). Please note
that the command has to be issued without any intervening blanks.

8.180.2 Syntax

Descriptive

-

Diagram

¬¬¬¬ ¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬¬ÊÍ

-

8.180.3 Parameter

T+CKD

The T+CKD turns on the CKD key trace. The plus sign and the CKD argument
must immediately follow the T command (without an intervening blank).

T-CKD

The T-CKD turns off the CKD key trace. The minus sign and the CKD argument
must immediately follow the T command (without an intervening blank).

8.180.4 Examples

Example 1:

Turning the CKD key trace on.

HHC00013I Herc command: 't+ckd'

HHC02204I CKD key trace set to on

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'SYS1.NUCLEUS '

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'IEANUC01'

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'IEAVNIPM'

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'IEAVNPA2'

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'IEAVNP01'

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'IEAVNPB2'

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'SYS1.LOGREC '

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'SYS1.SVCLIB '

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'IEAVNP11'

HHC00423I 0:0148 CKD file 'D:/MVS/DASD/MVSRES.CCKD': search key 'SYSCATLG'