ETA dynamic terminal trace feature for IMS control region

ETA provides a trace feature that is used for BMC Software diagnostic purposes. The feature maintains a trace within the IMS control region to document events that ETA considers significant. The feature has the following elements:

  • Trace table
  • Macro interface
  • Callable trace routine

Related topic

Diagnostic-features

The trace table consists of 3200 64-byte entries located in extended private virtual storage. The size of the table never exceeds 3200 entries; when the table is full, writing continues by overlaying the oldest entry with the newest entry.

Two forms of the trace feature macro interface are available. The first form generates a DSECT of a standard trace table entry. The second form of the macro interface traces an event. For information about using these macros, see ETA-macros-for-IMS-system-customization-exits.

 

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