Specifying Which TNF Probes to Enable

During program execution, only the enabled TNF probes contribute trace data to the performance analysis process. By default, programs start with TNF probes disabled. Once enabled (by issuing the tnfenable command, for example), probes remain enabled until you explicitly turn them off, exit the loaded program, or exit Prism.

For example, to enable all probes in the TNF-instrumented Sun MPI library:

(prism all) tnfenable mpi_api

You could also enable all of the same probes with:

(prism all) tnfenable *