fprintf(ofp, " enable-event Enable tracing event\n");
fprintf(ofp, " disable-channel Disable tracing channel\n");
fprintf(ofp, " disable-event Disable tracing event\n");
fprintf(ofp, " enable-event Enable tracing event\n");
fprintf(ofp, " disable-channel Disable tracing channel\n");
fprintf(ofp, " disable-event Disable tracing event\n");