Reference chains for surviving live-heap samples via a bounded manual heap walk (PROF-15341) - #644

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jbachorik wants to merge 18 commits into

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jb/reference-chains

Commits on Sep 17, 2026

Implement reference chains for surviving live-heap samples
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d03520e
Add C++ unit tests for reference-chain tracking
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4f8c7e5
Add Java integration tests for reference chains
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818e19d
Add chaos and repro scenarios for reference chains
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ac51d28
Add repro, sweep, and reporting tooling for reference chains
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4df5906
Add reference-chains design and architecture docs
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b8ddccd
Archive the missing-refchains-on-hotdog investigation notes
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b1804fc
Update .gitignore and build-summarize helper
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78c4fd2
Mark the missing-refchains-on-hotdog investigation done
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e507b4f
Add as-built implementation reference for reference chains
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cce988a
Word the collector-safety rationale collector-neutrally
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cf6ba2d
Remove temporary diagnostic instrumentation from reference chains
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812ace9
Drop temporary-diagnostics note, document JMH tuning limits
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45c17d3
Fix thread-object registry wiring and global-ref lifetime
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d0cb321
Fix stale docs; add late-thread thread-local leak e2e
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0a35700
Prevent improveChain from creating cyclic parent chains
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9a6857f
Append the root type to static-field-rooted reference chains
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becb134
Stop racing the BFS thread in the urgent-OOM gate test
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2bd422e