fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
fprintf(fp, " all, trace, trace:domain, trace:procname,\n");
fprintf(fp, " trace:vpid, loglevel.\n");
fprintf(fp, " -f, --fields name1<,name2,...> Print additional fields:\n");
fprintf(fp, " all, trace, trace:domain, trace:procname,\n");
fprintf(fp, " trace:vpid, loglevel.\n");