def METHOD_NAME(args):
    global _SCRIPT
    _SCRIPT = args[0]
    long_opts = ["backends=", "format=", "help", "list-backends",
                 "check-backends", "group="]
    long_opts += ["binary=", "target-type=", "target-name=", "probe-prefix="]
    try:
        opts, args = getopt.getopt(args[1:], "", long_opts)
    except getopt.GetoptError as err:
        error_opt(str(err))
    check_backends = False
    arg_backends = []
    arg_format = ""
    arg_group = None
    binary = None
    target_type = None
    target_name = None
    probe_prefix = None
    for opt, arg in opts:
        if opt == "--help":
            error_opt()
        elif opt == "--backends":
            arg_backends = arg.split(",")
        elif opt == "--group":
            arg_group = arg
        elif opt == "--format":
            arg_format = arg
        elif opt == "--list-backends":
            public_backends = tracetool.backend.get_list(only_public = True)
            out(", ".join([ b for b,_ in public_backends ]))
            sys.exit(0)
        elif opt == "--check-backends":
            check_backends = True
        elif opt == "--binary":
            binary = arg
        elif opt == '--target-type':
            target_type = arg
        elif opt == '--target-name':
            target_name = arg
        elif opt == '--probe-prefix':
            probe_prefix = arg
        else:
            error_opt("unhandled option: %s" % opt)
    if len(arg_backends) == 0:
        error_opt("no backends specified")
    if check_backends:
        for backend in arg_backends:
            if not tracetool.backend.exists(backend):
                sys.exit(1)
        sys.exit(0)
    if arg_group is None:
        error_opt("group name is required")
    if arg_format == "stap":
        if binary is None:
            error_opt("--binary is required for SystemTAP tapset generator")
        if probe_prefix is None and target_type is None:
            error_opt("--target-type is required for SystemTAP tapset generator")
        if probe_prefix is None and target_name is None:
            error_opt("--target-name is required for SystemTAP tapset generator")
        if probe_prefix is None:
            probe_prefix = ".".join(["qemu", target_type, target_name])
    if len(args) < 1:
        error_opt("missing trace-events filepath")
    events = []
    for arg in args:
        with open(arg, "r") as fh:
            events.extend(tracetool.read_events(fh, arg))
    try:
        tracetool.generate(events, arg_group, arg_format, arg_backends,
                           binary=binary, probe_prefix=probe_prefix)
    except tracetool.TracetoolError as e:
        error_opt(str(e))