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cli: global
--show-heap-stats
argument for EOL heap stats
Summary: One of the more useful features of mimalloc. In the future this interface could be expanded to support printing to a callback, so that it could be triggered and dumped e.g. on debugging endpoints for longer running processes, when we get there. However, it's not enough to just add it to the `main` module; not only would it be ugly and overspecific, it should be reusable so other custom `jj` commands can opt-in to statistics trivially as well. Users should be strongly encouraged to do this -- enable mimalloc and stat tracking -- since that's what upstream will now work and test with; but, of course, all things are optional. Thus, we expose an API from the `cli_utils` module for use with `cli_util::CliRunner::add_global_args`, but ultimately it's up to the client to call it. Signed-off-by: Austin Seipp <[email protected]> Change-Id: I6abe4b962bbe7c62ebca97be630b750c
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