9.2. GTF trace
Use a GTF trace to show system processing through events occurring in the system over time. The installation controls which events are traced. GTF tracing uses more resources and processor time than a system trace. Use GTF when you are familiar enough with the problem to pinpoint the one or two events required to diagnose your system problem. GTF can be run to an external data set as well as a buffer.
When you activate GTF, it operates as a system task, in its own address space. The only way to activate GTF is to enter a START GTF command from a console with master authority. Using this command, the operator selects either IBM’s or your cataloged procedure for GTF. The cataloged procedure defines GTF operation; you can accept ...
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