Contents of the DFSMSCE0 trace records

DFSMSCE0 records are type X'6701' with a trace ID of MSEA (entry) or MSEB (exit).

Refer to the DFSMSCEB macro for contents of the MSCEB block.

PROGRAM ROUTING

  • MSCEB (Message routing exit interface block)

    (CHNG/ISRT call)

  • PCB (CHNG/ISRT call)
  • MESSAGE PREFIX (CHNG/ISRT call)
  • MESSAGE SEGMENT (ISRT call) maximum of 256 bytes

LINK RECEIVE

  • MSCEB (Message routing exit interface block)
  • MESSAGE PREFIX

TERMINAL ROUTING

  • MSCEB (Message routing exit interface block)
  • MESSAGE SEGMENT maximum of 256 bytes
Important: To assist in diagnosing DFSMSCE0 exit problems, the MSCEB block will maintain the following information:
  • 8-byte eye catcher 'DFSMSCEB'
  • 4-byte Routing exit type: 
    TRTB|TRVT|TR62|TROT|LRTR|LRLT|LRIN|LRDI|PRCH|PRIS
  • 4 byte Address of ECB
  • 4 byte Address of interface block
  • 4 byte Address of DFSMSCE0 exit parameter list