feat(profiling): add GC observability collector#18566

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vlad-scherbich wants to merge 8 commits into

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vlad/profiling-gc-collector

Commits on Jun 10, 2026

feat(profiling): add GC observability collector
vlad-scherbich
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fix(profiling/tests): fix GC test flakiness from collector module reimport
vlad-scherbich
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Guard _explicit_count with a lock for thread safety
vlad-scherbich
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Use line=0 for pseudo-frames in push_frame calls
vlad-scherbich
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Guard debug-only GC introspection behind LOG level check
vlad-scherbich
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Fix GC config help text to match actual exported data
vlad-scherbich
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Patch ddup in unit tests that start GCCollector
vlad-scherbich
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Add GC collector test coverage for alloc, snapshot, generation names, and profiler wiring
vlad-scherbich
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