DC trace

The data communication (DC) trace enables you to obtain information about the program flow within the communications analyzer and between the analyzer and the device dependent modules (DDMs).

Starting the trace
To start the DC trace for any terminal in the IMS network, enter one of the /TRACE commands from the master terminal or the z/OS® console.
Stopping the trace
To stop the DC trace, enter one of the /TRACE SET OFF commands from the master terminal or the z/OS console.
Printing the trace records
To format and print the trace records, use the File Select and Formatting Print utility (DFSERA10).
Content of the trace records
You can evaluate DC trace records while debugging errors, building keywords, or evaluating APAR descriptions.
Diagnosing line and terminal problems
Use trace record identifiers to help in diagnosing line and terminal problems.

Parent topic: Data communication service aids

Related reference

Diagnosing Message Format Service problems