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  1. JDK
  2. JDK-8321581

JFR: Remove remaining use of instrumentation for I/O events

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    • Enhancement
    • Resolution: Duplicate
    • P2
    • 23
    • None
    • hotspot
    • None
    • jfr

    Description

      Some I/O events still rely on bytecode instrumentation of I/O related classes. It should be removed, so all use of ASM can be pulled out from JFR.

      Fixing this important to avoid the 10% regression on startup introduced in JDK 22. See JDK-8319551

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              egahlin Erik Gahlin
              egahlin Erik Gahlin
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