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  1. JDK
  2. JDK-8205344

TraceMemoryManagerStats changes in JDK-8195115 broke ZGC

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P4
    • Resolution: Fixed
    • Affects Version/s: 11
    • Fix Version/s: 11
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
      gc
    • Resolved In Build:
      b19
    • CPU:
      x86_64
    • OS:
      linux

      Backports

        Description

        Test: gc/TestFullGCCount.java

        #section:main
        ----------messages:(5/242)----------
        command: main -Xlog:gc TestFullGCCount
        reason: User specified action: run main/othervm -Xlog:gc TestFullGCCount
        Mode: othervm [/othervm specified]
        Additional options from @modules: --add-modules java.management
        elapsed time (seconds): 1.156
        ----------configuration:(3/43)----------
        Boot Layer
          add modules: java.management

        ----------System.out:(22/1536)----------
        [0.109s][info][gc] Using The Z Garbage Collector
        [0.724s][info][gc] GC(0) Garbage Collection (System.gc()) 10M(1%)->4M(0%)
        [0.738s][info][gc] GC(1) Garbage Collection (System.gc()) 6M(0%)->8M(0%)
        [0.747s][info][gc] GC(2) Garbage Collection (System.gc()) 8M(0%)->12M(1%)
        [0.758s][info][gc] GC(3) Garbage Collection (System.gc()) 12M(1%)->8M(0%)
        [0.773s][info][gc] GC(4) Garbage Collection (System.gc()) 8M(0%)->4M(0%)
        [0.784s][info][gc] GC(5) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.818s][info][gc] GC(6) Garbage Collection (System.gc()) 4M(0%)->6M(0%)
        [0.830s][info][gc] GC(7) Garbage Collection (System.gc()) 6M(0%)->4M(0%)
        [0.841s][info][gc] GC(8) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.851s][info][gc] GC(9) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.861s][info][gc] GC(10) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.870s][info][gc] GC(11) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.877s][info][gc] GC(12) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.883s][info][gc] GC(13) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.889s][info][gc] GC(14) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.895s][info][gc] GC(15) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.901s][info][gc] GC(16) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.907s][info][gc] GC(17) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.913s][info][gc] GC(18) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        [0.919s][info][gc] GC(19) Garbage Collection (System.gc()) 4M(0%)->4M(0%)
        Checking: ZGC
        ----------System.err:(33/1772)----------
        Collector 'ZGC' has increment 3 at iteration 0
        Collector 'ZGC' has increment 3 at iteration 1
        Collector 'ZGC' has increment 3 at iteration 2
        Collector 'ZGC' has increment 3 at iteration 3
        Collector 'ZGC' has increment 3 at iteration 4
        Collector 'ZGC' has increment 3 at iteration 5
        Collector 'ZGC' has increment 3 at iteration 6
        Collector 'ZGC' has increment 3 at iteration 7
        Collector 'ZGC' has increment 3 at iteration 8
        Collector 'ZGC' has increment 3 at iteration 9
        Collector 'ZGC' has increment 3 at iteration 10
        Collector 'ZGC' has increment 3 at iteration 11
        Collector 'ZGC' has increment 3 at iteration 12
        Collector 'ZGC' has increment 3 at iteration 13
        Collector 'ZGC' has increment 3 at iteration 14
        Collector 'ZGC' has increment 3 at iteration 15
        Collector 'ZGC' has increment 3 at iteration 16
        Collector 'ZGC' has increment 3 at iteration 17
        Collector 'ZGC' has increment 3 at iteration 18

        java.lang.RuntimeException: FAILED: System.gc collections miscounted.
        at TestFullGCCount.main(TestFullGCCount.java:85)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
        at java.base/java.lang.Thread.run(Thread.java:832)

        JavaTest Message: Test threw exception: java.lang.RuntimeException: FAILED: System.gc collections miscounted.
        JavaTest Message: shutting down test

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                Assignee:
                pliden Per Liden (Inactive)
                Reporter:
                skonchad Sandeep Konchady
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                  Created:
                  Updated:
                  Resolved: