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  1. JDK
  2. JDK-8293503

gc/metaspace/TestMetaspacePerfCounters.java#Epsilon-64 failed assertGreaterThanOrEqual: expected MMM >= NNN

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    • gc
    • b16
    • x86_64, aarch64
    • linux, os_x, windows

    Description

      The following test failed in the JDK20 CI:

      gc/metaspace/TestMetaspacePerfCounters.java#Epsilon-64

      Here's a snippet from the log file:

      #section:main
      ----------messages:(7/816)----------
      command: main -XX:+UnlockExperimentalVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseEpsilonGC gc.metaspace.TestMetaspacePerfCounters
      reason: User specified action: run main/othervm -XX:+UnlockExperimentalVMOptions -XX:-UseCompressedOops -XX:-UseCompressedClassPointers -XX:+UsePerfData -XX:+UseEpsilonGC gc.metaspace.TestMetaspacePerfCounters
      started: Wed Sep 07 18:22:29 GMT 2022
      Mode: othervm [/othervm specified]
      Additional options from @modules: --add-modules java.base,java.compiler,java.management,jdk.internal.jvmstat --add-exports java.base/jdk.internal.misc=ALL-UNNAMED --add-exports java.management/sun.management=ALL-UNNAMED --add-exports jdk.internal.jvmstat/sun.jvmstat.monitor=ALL-UNNAMED
      finished: Wed Sep 07 18:22:29 GMT 2022
      elapsed time (seconds): 0.367
      ----------configuration:(6/293)----------
      Boot Layer
        add modules: java.base java.compiler java.management jdk.internal.jvmstat
        add exports: java.base/jdk.internal.misc ALL-UNNAMED
                     java.management/sun.management ALL-UNNAMED
                     jdk.internal.jvmstat/sun.jvmstat.monitor ALL-UNNAMED

      ----------System.out:(2/185)----------
      [0.008s][warning][gc,init] Consider setting -Xms equal to -Xmx to avoid resizing hiccups
      [0.008s][warning][gc,init] Consider enabling -XX:+AlwaysPreTouch to avoid memory commit hiccups
      ----------System.err:(19/1259)----------
      java version "20-ea" 2023-03-21
      Java(TM) SE Runtime Environment (fastdebug build 20-ea+14-944)
      Java HotSpot(TM) 64-Bit Server VM (fastdebug build 20-ea+14-944, mixed mode)
      java.lang.RuntimeException: assertGreaterThanOrEqual: expected 8454144 >= 8917632
      at jdk.test.lib.Asserts.fail(Asserts.java:594)
      at jdk.test.lib.Asserts.assertGreaterThanOrEqual(Asserts.java:288)
      at jdk.test.lib.Asserts.assertGreaterThanOrEqual(Asserts.java:271)
      at jdk.test.lib.Asserts.assertGTE(Asserts.java:246)
      at gc.metaspace.TestMetaspacePerfCounters.checkPerfCounters(TestMetaspacePerfCounters.java:231)
      at gc.metaspace.TestMetaspacePerfCounters.main(TestMetaspacePerfCounters.java:195)
      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: assertGreaterThanOrEqual: expected 8454144 >= 8917632

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              tschatzl Thomas Schatzl
              dcubed Daniel Daugherty
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                Created:
                Updated:
                Resolved: