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Add fjmethodid=lazy: allocate jmethodIDs at dump time instead of preloading - #864

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rkennke wants to merge 12 commits into

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investigate/lazy-jmethodid-resolution

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Add fjmethodid=lazy: allocate jmethodIDs at dump time instead of preloading#864
rkennke wants to merge 12 commits into
mainfrom
investigate/lazy-jmethodid-resolution

Commits on Oct 15, 2026
- Add fjmethodid=lazy: resolve raw Method* frames via a class liveness registry
  
  rkennke
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  claude
  committed
  8ef576b
- Tag raw Method* frames with a KlassRegistry epoch to reject reused Klass* addresses
  
  rkennke
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  claude
  committed
  581e2df
- Locate Klass::_trace_id by probing array klasses
  
  rkennke
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  claude
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  a3bab23
- Tag raw Method* frames with the holder's JFR trace ID when calibrated
  
  rkennke
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  claude
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  a9b6777
- Mark each raw frame's tag kind and validate the trace-ID offset against JFR in CI
  
  rkennke
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  claude
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  cd01bda
- Harden lazy resolution against metadata reuse and redefinition
  
  rkennke
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  claude
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  f86c2d2
- Validate the trace-ID offset against jdk.ClassDefine instead of execution samples
  
  rkennke
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  claude
  committed
  55a047a
- Cache raw frame resolutions per dump
  
  rkennke
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  claude
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  75e6870
- Let JVMTI validate redefinition arguments before the hooks inspect them
  
  rkennke
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  claude
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  3f848c6
- Stress-test lazy resolution against live class redefinition
  
  rkennke
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  claude
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  433e7f0
- Drop registry-epoch tags; lazy mode requires JFR trace IDs
  
  rkennke
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  claude
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  fdbb8ca
- Catch a malformed trace ID in LazyTraceIdJfrValidationTest's log parser
  
  rkennke
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  claude
  committed
  8a5d5b8