Dump utility program (DFHDU640)

CICS® produces two types of dump: transaction dumps that CICS writes to CICS transaction dump data sets; and MVS™ system dumps (SVC dumps) via the MVS SDUMP macro. CICS provides two utility programs to help you analyze these dumps. These are:

  1. The transaction dump utility program, DFHDU640, for processing CICS transaction dumps, as described in this section.
  2. The dump exit that is invoked via the interactive problem control system (IPCS) for processing either MVS SDUMP dumps that CICS takes, or CICS jobs in SVC dumps that are taken by the MVS dump command. You can use IPCS either interactively or from an MVS batch job. For more information about using IPCS, see Using IPCS to format and analyze CICS dumps: Overview.
    Note:
    For the CICS-supplied IPCS dump exit routine to format an SDUMP successfully, certain SDUMP options must be in force at the time the dump is taken. (See topic The SDUMP options needed to support the CICS dump exit.)

Related reference
Selecting transaction dump output for the DFHDU640 program
Job control statements to run the DFHDU640 program
Using IPCS to format and analyze CICS dumps: Overview
Preparing to use IPCS to format CICS SDUMPs
Selecting parts of the CICS internal trace table
Using CICS-supplied dump exit routines to format CICS SDUMPs
The dump summary and error index
Sample jobs to process a CICS SDUMP using the CICS dump exit
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