disp d or disp drls
This selection provides a listing of derail service function usage frequencies. The symbolic name of each service function used by the target program will be displayed, together with a decimal value indicating the number of times the service function has been used. This frequency table is maintained by the trace mechanism for all types of traces and is updated without regard to the tracing region specifications. While all frequencies are preset to zero, the table is never implicity initialized by the trace package. If desired, the I command can be utilized to initialize it (see "explain trace i").
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