Statistics

Statistics are often overlooked as a source of debugging information, but those that relate to an application program can help solve problems. It is useful to have a statistical profile (as mentioned in Your own documentation) to use for problem determination. If you compare the information in the profile with the statistical information produced by CICS®, any differences you find may indicate the source of a problem.

Statistics are most often used in system tuning and diagnosis, but they also contain information that can indicate problems with the way your application handles resources. For example, you may notice from these statistics that tables are being loaded, or programs linked, for which there is no known requirement.

You can also use statistics to check terminals, files, queues, and so on for irregularities in their activity. For example, if a terminal has a number of errors recorded for a particular transaction that equal the number of times that transaction was run, this may indicate that an incorrect data stream is being sent to that terminal. See the CICS Performance Guide for more information about using statistics.

Related concepts
Introduction to CICS statistics
Related tasks
Processing CICS statistics
Interpreting CICS Statistics
Related references
CICS statistics tables
Statistics utility program
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