SYSAPPC component trace

Table 1 summarizes information for requesting a SYSAPPC component trace for APPC/MVS.

Table 1. Requesting SYSAPPC component trace for APPC/MVS
Information For SYSAPPC:
Parmlib member CTnAPPxx; there is no default member
Default tracing No; cannot turn trace ON or OFF in CTnAPPxx
Trace request OPTIONS parameter In CTnAPPxx or REPLY for TRACE command
Buffer
  • Default: 32 MB
  • Range: 64 KB - 256 MB
  • Size set by: CTnAPPxx member or REPLY for TRACE command
  • Change size after IPL: Yes, while a trace is running
  • Location: In data space. A TRACE CT,OFF command requests a dump, which includes the trace buffers.
Trace records location Dataspace buffer
Request of SVC dump By the component when the operator stops SYSAPPC tracing with a TRACE CT,OFF command
Trace formatting by IPCS CTRACE COMP(SYSAPPC)
Trace format OPTIONS parameter NO
Parent topic: Component trace