Use this system macro to enable or disable the TPF system for program event
recording (PER).
Required Authorizations
|
Key0
| Restricted
| System
| Common Storage
|
| X
|
|
|
Format
Notes:
- parm
- label
- A symbolic name can be assigned to the macro statement.
- parm
- This positional parameter must specify one of the following:
- ENABLE
- PERCC sets the PER control bit on in selected program masks and new
PSWs.
- DISABLE
- The PER control bit is set off in the program masks and PSWs.
See Return Conditions for more information about program masks selection.
Entry Requirements
The ECB-controlled program must be authorized to issue restricted use
macros.
Return Conditions
- Control is returned to the next sequential instruction (NSI).
- The following masks and PSWs are enabled or disabled for PER:
- SVC New PSW
- I/O New PSW
- Selected mask bytes in CAPT at label CPMSMKS
- The mask byte at CPM1PSW, used during ECB initialization
- The contents of R0 through R7 are preserved.
Programming Considerations
None.
Examples
None.