Frame pointers: Untangling the unwinding

Recent discussion in the Fedora list about frame pointers led us to think it may be an interesting idea to explain what frame pointers can and can't do for unwinding. To summarize the discussion, there was a request from a Fedora developer that, by default, all packages in Fedora should be built with explicit frame pointers to make it easier to profile and optimize. Those opposing the change cited the performance impact that such a change would have on the system. Even though that change has alr...

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