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  1. JDK
  2. JDK-8318563

GetClassFields should not use random access to field

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 23
    • 21.0.2, 22, 23
    • hotspot
    • b06
    • generic

    Description

      This is follow-up for JDK-8317692
      GetClassFields JVMTI function uses FilteredFieldStream from reflectionUtils.hpp which iterates fields in the reverse order and is known to be performance ineffective (see JDK-8317692 for details).

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          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. JDK-8317692 jcmd GC.heap_dump performance regression after JDK-8292818

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8317635 Improve GetClassFields test to verify correctness of field order

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8317692 jcmd GC.heap_dump performance regression after JDK-8292818

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8317635 Improve GetClassFields test to verify correctness of field order

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          links to

          Commit Commit openjdk/jdk/84cf4cb3

          Review Review openjdk/jdk/17094

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              amenkov Alex Menkov
              amenkov Alex Menkov
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              Dates

                Created:
                Updated:
                Resolved: