General options
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See man:babeltrace(1) for more details.

nlopt:-d, nlopt:--debug::
    Turn the debugging mode on.

nlopt:--log-level='LVL'::
    Set the log level of all known Babeltrace loggers to 'LVL'.

nlopt:-v, nlopt:--verbose::
    Turn the verbose mode on.

nlopt:-h, nlopt:--help::
    Show general help and quit.

nlopt:-V, nlopt:--version::
    Show version and quit.