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  1. JDK
  2. JDK-8190277

TestPromotionToSurvivor - Actual memory usage should not deviate from expected

    Details

    • Type: Bug
    • Status: Open
    • Priority: P3
    • Resolution: Unresolved
    • Affects Version/s: 9, 10, 11
    • Fix Version/s: tbd_major
    • Component/s: hotspot
    • Labels:
    • Subcomponent:
      gc

      Description

      Testsuite name: /hotspot/test gc/survivorAlignment (jtreg)
      Test name(s): TestPromotionToSurvivor.java
      Product(s) tested: JDK 9.0.4 1
      OS/architecture: Linux x64, Mac OS x64, Sparc v9
      Reproducible: Always
      Is it a Regression: No, reproducible in 9 GA (9 181)
      Log:
      ----------System.out:(76/1905)----------
      SurvivorAlignmentTestMain info:
      Desired object size: 16
      Memory to fill: 10485760
      Objects to be allocated: 655360
      Alignment helpers to be used:
      For space EDEN:
      AlignmentHelper for memory pool 'G1 Eden Space':
      Memory usage measurement precision: -1
      Min object size in this space: 16
      Object alignment in this space: 8

      For space SURVIVOR:
      AlignmentHelper for memory pool 'G1 Survivor Space':
      Memory usage measurement precision: -1
      Min object size in this space: 16
      Object alignment in this space: 32

      For space TENURED:
      AlignmentHelper for memory pool 'G1 Old Gen':
      Memory usage measurement precision: 8
      Min object size in this space: 16
      Object alignment in this space: 8


      Verifying amount of memory allocated by threads:
      Thread 13
      baseline allocation: 4452712
      current allocation:14941296
      "MainThread" prio=5 Id=13 RUNNABLE


      Thread 10
      baseline allocation: 0
      current allocation:0
      "Common-Cleaner" daemon prio=8 Id=10 TIMED_WAITING on java.lang.ref.ReferenceQueue$Lock@723c8991


      Thread 5
      baseline allocation: 0
      current allocation:0
      "Attach Listener" daemon prio=5 Id=5 RUNNABLE


      Thread 4
      baseline allocation: 0
      current allocation:0
      "Signal Dispatcher" daemon prio=9 Id=4 RUNNABLE


      Thread 3
      baseline allocation: 272
      current allocation:272
      "Finalizer" daemon prio=8 Id=3 WAITING on java.lang.ref.ReferenceQueue$Lock@3378172e


      Thread 2
      baseline allocation: 0
      current allocation:0
      "Reference Handler" daemon prio=10 Id=2 RUNNABLE


      Thread 1
      baseline allocation: 2308952
      current allocation:2308952
      "main" prio=5 Id=1 WAITING on java.lang.Thread@558413c4


      Verifying memory usage in space: SURVIVOR
      Allocated objects count: 655360
      Desired object size: 16
      Actual object size: 16
      Expected object size in space: 32
      Expected memory usage: 20971518
      Actual memory usage: 22020096
      Memory usage diff: 1048578
      Max allowed usage diff: 1048573
      ----------System.err:(17/1353)----------
      java.lang.RuntimeException: Actual memory usage should not deviate from expected for more then 1048573: expected that 1048578 <= 1048573
      at jdk.test.lib.Asserts.fail(Asserts.java:594)
      at jdk.test.lib.Asserts.assertLessThanOrEqual(Asserts.java:154)
      at jdk.test.lib.Asserts.assertLTE(Asserts.java:125)
      at SurvivorAlignmentTestMain.verifyMemoryUsage(SurvivorAlignmentTestMain.java:333)
      at TestPromotionToSurvivor.main(TestPromotionToSurvivor.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:564)
      at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
      at java.base/java.lang.Thread.run(Thread.java:844)

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            • Assignee:
              tschatzl Thomas Schatzl
              Reporter:
              rsunderbabu Ramkumar Sunderbabu
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              Dates

              • Created:
                Updated: