Hi, every one. :-)

I'm tring to make things about perf configuration neat and tidy.
Three questions have arisen doing it.

1. alias [ util/alias.c : alias_lookup_cb(), util/help.c : perf_unknown_cmd_config() ]

        What kind of alias keys are there ?

2. help [ builtin-help.c : perf_help_config() ]

        'autocorrect' can have a value of integer type.
        What does the value mean ?

3. call-graph [ util/callchain.c : perf_callchain_config(), parse_callchain_record_opt() ]

        record-mode can be 'Framepointer style' or  'Dwarf style'.
        Why does 'Dwarf style' accompany dump-size ?

        'threshold' can have a value of double type
        and the value can be entered into callchain_param.min_percent.
        What does 'threshold' mean ?


Thanks,
Taeung
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