Exit with an error if --gil but we failed to get necessary addrs/offsets #361
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Previously we'd just emit a warning, which is less noticeable; and the result of
a --gil run where without the needed information is going to empty, anyway.
I think it's better, user-experience wise (like mentioned in #358 (comment)). Well at least I can vouch for it personally, I'm quite annoyed by
--gil
recordings producing empty stack files / graphs, it always takes me a short while to recall the possibility that it is simply unsupported...About the positioning of the check - might've been nicer to place this code in
main.rs
, but it's much easier if the exit decision is made next to the failure itself. I can try moving it if you think that's better.