Avoid creating more backtrace_state* than needed
#473
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Rather than having a `StringStorage` class which exposes a custom identifier used as a token for resolving an interned string, expose an `InternedString` type directly constructible from a `std::string`. This type handles the interning automatically, and using this type in signatures allows us to encode whether a particular function needs to be called with an interned string or could be called with any string. Signed-off-by: Matt Wozniski <mwozniski@bloomberg.net>
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Codecov ReportAttention:
Additional details and impacted files@@ Coverage Diff @@
## main #473 +/- ##
==========================================
- Coverage 91.99% 91.96% -0.03%
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Files 91 91
Lines 10803 10807 +4
Branches 1485 1485
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+ Hits 9938 9939 +1
- Misses 863 866 +3
Partials 2 2
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`libbacktrace` gives us no way to free a `backtrace_state*` once it's been created, so it's in our best interest to create as few of them as possible. Rather than having one cache of `backtrace_state*` per opened capture file, have a global cache of `backtrace_state*` (protected by a global mutex). Signed-off-by: Matt Wozniski <mwozniski@bloomberg.net>
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pablogsal
approved these changes
Oct 2, 2023
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libbacktracegives us no way to free abacktrace_state*once it'sbeen created, so it's in our best interest to create as few of them as
possible. Rather than having one cache of
backtrace_state*per openedcapture file, have a global cache of
backtrace_state*(protected bya global mutex).
Closes: #472