fprintf(ofp, " add-channel Add channel to tracer\n");
fprintf(ofp, " create Create tracing session\n");
fprintf(ofp, " destroy Teardown tracing session\n");
fprintf(ofp, " add-channel Add channel to tracer\n");
fprintf(ofp, " create Create tracing session\n");
fprintf(ofp, " destroy Teardown tracing session\n");