feat: support disablement of APM Tracing (the product) #224
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Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #224 +/- ##
==========================================
+ Coverage 86.45% 86.51% +0.05%
==========================================
Files 80 82 +2
Lines 5251 5346 +95
==========================================
+ Hits 4540 4625 +85
- Misses 711 721 +10 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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cataphract
approved these changes
Jul 21, 2025
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| bool validate_trace_source(StringView source_str) { | ||
| if (source_str.size() > 2) return false; | ||
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| auto maybe_ts_uint = parse_uint64(source_str, 10); | ||
| if (maybe_ts_uint.if_error()) return false; | ||
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| // Bit twiddling magic is coming from | ||
| // <http://www.graphics.stanford.edu/~seander/bithacks.html> <3. | ||
| auto is_power_of_2 = [](uint64_t v) -> bool { return v && !(v & (v - 1)); }; | ||
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| return is_power_of_2(*maybe_ts_uint); | ||
| } |
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You document that it is a bitmap, but then require that only one flag be set (that it is a power of two).
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Good catch, thank you. Fixed in ff2c7ea
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Description
Supersede #217
Motivation
While the original approach worked, I identified a more straightforward way to reach the same goals with fewer moving parts and a clearer mental model.
Some behaviors, especially around context extraction, aren’t fully defined in the RFC yet. Rather than making assumptions, we took the opportunity to clarify and solidify these behaviors.
Reusing existing constructs and patterns makes the codebase easier to understand, test, and evolve. This rework brings the implementation closer to that goal.
Improvements (non-exhaustive)