Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
CICS trace is a wonderful tool for understanding how and why a system or application does things. At defined trace points, CICS writes variable length trace entries into the in-core trace table. In addition, application programs can create their own trace entries with the ENTER TRACENUM command. There are hundreds of trace points with differing levels of detail.
