The PRFDTA keyword specifies whether the collection of profiling data is enabled.
If *NOCOL is specified, the collection of profiling data is not enabled for this object.
If *COL is specified, the collection of profiling is enabled for this object. *COL can be specified only when the optimization level of the object is *FULL.
If the PRFDTA keyword is not specified, then the value specified on the command is used.