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

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jb/reference-chains

Commits on Aug 19, 2026

Add repro/sweep tooling and chaos-harness build wiring for reference chains

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5935c5c
Implement reference chains for surviving live-heap samples

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dc8071d
Add C++ unit tests for reference-chain tracking

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1a3165d
Add Java integration tests and chaos/repro harness for reference chains

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6f1fd14
Add reference-chains architecture and design docs

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4993cb6
Address reference-chains review findings

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ee58647
Migrate ReferenceChainTrackingTest to the JfrEvents API

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3540b64
Address reference-chains review findings

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f6e57d6
Add heap-wide time-to-OOM predictor to fast-path leak detection

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5adb328
Add debug seams and test for reference-chain OOM-bypass gate

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321ed23
Fix AggressiveLeakReferenceChainTest race with real GC heap-floor samples
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21f256e
Fix non-atomic cross-thread writes in AggressiveLeak test seams
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628db7f
Add backward-compatible setContextValue(int, CharSequence) overload
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84c703b
Remove backward-compatible setContextValue(int, CharSequence) overload
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d8243f4
Reset pain budget in resetSearchStateForTest to fix musl CI failures
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5fd5318
Auto-tune reference chain defaults based on heap size and CPU count
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facdc70
Replace TTL with progress-based termination + urgency-driven budget escalation
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8e44ff2
Add reference chain canary search design doc
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1f25f8a
Revert "Add reference chain canary search design doc"
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3777ae1
Implement canary search: pruned BFS from GC roots to leaked candidates
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1d6a65d
Remove planning doc from tracked files
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c1c08f1
Run passes back-to-back; frontier cap as memory bound only
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e7cf195
Remove planning doc from tracked files
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7e5c97d
Fix canary chain reconstruction: frontier table lookup rejects negative tags
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f745651
Add canary search counters: candidate_count and candidates_found
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b5dc65f
Fix JavaProfiler.java merge conflict resolution
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19b431e
Fix canary pruning: check marker tag before class-tag check
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78c2aad
Fix canary chain: store candidate's own klass, not referrer's klass
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eac95a6
Fix canary pruning: handle root-referenced candidates
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6be9f56

Commits on Aug 20, 2026