Native Image Committer and Community Meeting 2023-06-01

[christianwimmer]

List of all past and upcoming meetings: #3933

New and Noteworthy

• Update of Cgroup code: We want to get rid of the copy-and-modify approach and instead use the JDK code directly. This requires reducing the dependencies of the JDK code:
  8309191: Reduce JDK dependencies of cgroup support openjdk/jdk#14216

• Work towards "Parse Once" for images with JIT compilation:
  [GR-45943] Improve Strengthen Graphs and add registerOpaqueMethodReturn hook. #6717
  [GR-44458] [GR-42162] Add infrastructure support for inlinebeforeanalysis in parseoncejit. #6718

• Performance
  [GR-46031] Add support for @Stable annotation. #6596

• Compatibility:
  [GR-41209] Module-aware Resource storage #6594
  [GR-45994] Signal-handler related simplifications. #6706 Simplifies the options around signal handler registration: Removes the hosted option EnableSignalAPI, the runtime option EnableSignalHandling is sufficient.
  [GR-40263] Provide JSON schemas for Native Image config files #6543

• Cleanup: remove the non-Loom implementation of virtual threads
  [GR-45143] Remove SubstrateVirtualThreads. #6560

• Monitoring / tools:
  [GR-46190] Support JFR event GCHeapSummary. #6705
  [GR-45841] Add JFR event ThreadCPULoad. #6588
  Also thanks for looking into transient failurs in JFR events.
  Dwarf generation tweaks: [GR-44007] Ensure NativeImageDebugDataInfo methods are used by logging are only called if needed. #6606, [GR-46086] Add native debuginfo walkthrough guide. #6607, [GR-43934] Only build full FrameTree when OmitInlinedMethodDebugLineInfo is false. #6504

Deep Dive: Simulation of class initializer

#6710