Explaining trace header information

Trace identifier
SAFTRACE Record type 54.
Record eyecatcher
Eyecatcher for the SAFTRACE record type: RTRACE.
Trace type
Identifies what trace this is. Types are OMVS for callable services, MNGR for manager calls, or RACF® for RACROUTE traces. These types are followed by PRE or POST to indicate that the record pertains to a pre-function trace or post-function trace.
Ending sequence
This contains a unique identifier in the case of the trace record exceeded the maximum size. If an there is an abend during the trace, it contains RECOVERY. Ending sequences indicate that a problem occurred during trace capture. If you find these, it is indicative of a problem with the parameter list built by the caller of the function.
Calling address
Address of the caller. This is useful along with a dump of the address space when determining the caller of the service in question. It may not be possible to determine the caller of the function using the Request/Subsystem (when available).
Requestor/Subsystem
Caller's SAFPREQR and SAFPSUBS as specified on RACROUTE.
Primary jobname
Primary jobname.
Primary asid
Primary ASID.
Primary ACEEP
Primary ASID related ACEE pointer, as indicated in ASXBSENV.
Home jobname
Home Jobname.
Home asid
Home ASID.
Home ACEEP
Home ASID related ACEE pointer as indicated in the home address space ASXBSENV field.
Task address
TCB pointer of current task.
Time
Time stamp.
Error class
Possible Security product resource class name in error.
Service number
Service number for Callable service or RACROUTE. (See Table 1 and Table 2 for supported services).
RACF Return code
RACF Return Code.
RACF Reason code
RACF Reason Code.
Return area address
Address of data returned by the function. When used with a dump of an address space, storage creep problems can be isolated to the application.
Parameter count
Number of parameters that were captured. Note, this is not the number of parameters in the parmlist, but rather the number of parameters which were collected.