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  1. JDK
  2. JDK-8293564

serviceability/tmtools/jstat/GcTest01.java fails with "Error in the percent calculation"

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Details

    • Bug
    • Resolution: Fixed
    • P4
    • 20
    • 20
    • core-svc
    • b16
    • x86_64
    • linux

    Description

      The following test failed in the JDK20 CI:

      serviceability/tmtools/jstat/GcTest01.java

      Here's a snippet from the log file:

      #section:main
      ----------messages:(7/388)----------
      command: main -XX:+UsePerfData -Xmx128M GcTest01
      reason: User specified action: run main/othervm -XX:+UsePerfData -Xmx128M GcTest01
      started: Thu Sep 08 22:45:45 UTC 2022
      Mode: othervm [/othervm specified]
      Additional options from @modules: --add-modules java.base --add-exports java.base/jdk.internal.misc=ALL-UNNAMED
      finished: Thu Sep 08 22:46:37 UTC 2022
      elapsed time (seconds): 52.256
      ----------configuration:(4/111)----------
      Boot Layer
        add modules: java.base
        add exports: java.base/jdk.internal.misc ALL-UNNAMED

      ----------System.out:(7/846)----------
      [2022-09-08T22:46:24.074102237Z] started process 2823120 [/opt/mach5/mesos/work_dir/jib-master/install/jdk-20+14-949/linux-x64-debug.jdk/jdk-20/fastdebug/bin/jstat, -gc, 2822687] with out/err redirected to './out.3576055136421552022.txt' and './err.3576055136421552022.txt'
      [2022-09-08T22:46:29.845592598Z] process 2823120 finished with exit code = 0
      Process output: Exit code: 0
      stdout: S0C S1C S0U S1U EC EU OC OU MC MU CCSC CCSU YGC YGCT FGC FGCT CGC CGCT GCT
              0.0 0.0 0.0 0.0 25600.0 4096.0 105472.0 0.0 0.0 0.0 0.0 0.0 0 0.000 0 0.000 0 0.000 0.000
      stderr:
      Committed size of the pool 'Eden Space' is 25600
      ----------System.err:(12/912)----------
      java.lang.RuntimeException: Error in the percent calculation (eden size: 25600, heap size: 17408, calculated eden percent: 1.4705882)
      at utils.GcProvoker.provokeGc(GcProvoker.java:66)
      at GcTest01.main(GcTest01.java:58)
      at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
      at java.base/java.lang.reflect.Method.invoke(Method.java:578)
      at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
      at java.base/java.lang.Thread.run(Thread.java:1589)

      JavaTest Message: Test threw exception: java.lang.RuntimeException: Error in the percent calculation (eden size: 25600, heap size: 17408, calculated eden percent: 1.4705882)
      JavaTest Message: shutting down test

      STATUS:Failed.`main' threw exception: java.lang.RuntimeException: Error in the percent calculation (eden size: 25600, heap size: 17408, calculated eden percent: 1.4705882)
      ----------rerun:(48/8663)*----------

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              kevinw Kevin Walls
              dcubed Daniel Daugherty
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                Created:
                Updated:
                Resolved: