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  1. JDK
  2. JDK-8220688

[TESTBUG] runtime/NMT/MallocStressTest.java timed out

    Details

    • Subcomponent:
    • Resolved In Build:
      b23

      Backports

        Description

        ----------System.out:(1253/81451)----------
        Timeout refired 4800 times
        2019-03-14 07:00:58
        Full thread dump Java HotSpot(TM) 64-Bit Server VM (13-internal+0-jdk13-jdk.601 mixed mode, sharing):

        Threads class SMR info:
        _java_thread_list=0x00007fed01cefae0, length=138, elements={
        0x00007fed3c040000, 0x00007fed3c207000, 0x00007fed3c20a800, 0x00007fed3c222800,
        0x00007fed3c226800, 0x00007fed3c22a000, 0x00007fed3c22c800, 0x00007fed3c2a7000,
        0x00007fed3c340000, 0x00007fed3c3ae800, 0x00007fecec046800, 0x00007fecec04f800,
        0x00007fecec052000, 0x00007fecec054000, 0x00007fecec061800, 0x00007fecec068800,
        0x00007fecec078000, 0x00007fecec0b4000, 0x00007fecec0d2000, 0x00007fecec0fb800,
        0x00007fecec219800, 0x00007fecec2c7000, 0x00007fecec2cc000, 0x00007fecec2d8800,
        0x00007fecec2dd800, 0x00007fecec2e9000, 0x00007fecec2ed800, 0x00007fecec2ef800,
        0x00007fecec2f4000, 0x00007fecec2f6800, 0x00007fecec303000, 0x00007fecec30a800,
        0x00007fecec318800, 0x00007fecec31d800, 0x00007fecec3ad000, 0x00007fecec47e800,
        0x00007fecec5ee800, 0x00007fecec604800, 0x00007fecec61b000, 0x00007fecec629800,
        0x00007fecec635800, 0x00007fecec63d800, 0x00007fecec65b000, 0x00007fecec669800,
        0x00007fecec678800, 0x00007fecec682000, 0x00007fecec68a000, 0x00007fecec68c800,
        0x00007fecec68f000, 0x00007fecec69d800, 0x00007fecec6a5000, 0x00007fecec6bb000,
        0x00007fecec6c5000, 0x00007fecec6d1800, 0x00007fecec94e800, 0x00007fecec951000,
        0x00007fecec953800, 0x00007fecec956000, 0x00007fecec958800, 0x00007fecec96a000,
        0x00007fecec971000, 0x00007fecec980000, 0x00007fecec9a2800, 0x00007fecec9a7800,
        0x00007fecec9b1000, 0x00007fecec9b8800, 0x00007fecec9bf800, 0x00007fecec9c2800,
        0x00007fecec9cf000, 0x00007fecec9d1000, 0x00007fecec9f7800, 0x00007fececbf0000,
        0x00007fececdb8800, 0x00007fececdbb800, 0x00007fececdbe000, 0x00007fececdc0800,
        0x00007fececdc3000, 0x00007fececdc5800, 0x00007fececdc7800, 0x00007fececdca000,
        0x00007fececdcc800, 0x00007fececdcf000, 0x00007fececdd1800, 0x00007fececdd4000,
        0x00007fececdd6000, 0x00007fececdd8800, 0x00007fececddb000, 0x00007fececddd800,
        0x00007fececde0000, 0x00007fececde2800, 0x00007fececde5000, 0x00007fececde7800,
        0x00007fececdea000, 0x00007fececdec800, 0x00007fececdef000, 0x00007fececdf2000,
        0x00007fececdf4800, 0x00007fececdf6800, 0x00007fececdf9000, 0x00007fececdfb800,
        0x00007fececdfe000, 0x00007fecece00800, 0x00007fecece03000, 0x00007fecece05800,
        0x00007fecece08000, 0x00007fecece0a800, 0x00007fecece0d000, 0x00007fecece0f800,
        0x00007fecece12000, 0x00007fecece14800, 0x00007fecece17000, 0x00007fecece19000,
        0x00007fecece1b800, 0x00007fecece1e000, 0x00007fecece20800, 0x00007fecece23000,
        0x00007fecece25800, 0x00007fecece28000, 0x00007fecece2a800, 0x00007fecece2d000,
        0x00007fecece2f800, 0x00007fecece32000, 0x00007fecece34800, 0x00007fecece37000,
        0x00007fecece39000, 0x00007fecece3b800, 0x00007fecece3e000, 0x00007fecece41000,
        0x00007fecece43800, 0x00007fecece46000, 0x00007fecece48800, 0x00007fecece4b000,
        0x00007fecece4d800, 0x00007fecece50000, 0x00007fecece52800, 0x00007fecece55000,
        0x00007fed01cee800, 0x00007fed001bb000
        }
        _java_thread_list_alloc_cnt=527, _java_thread_list_free_cnt=525, _java_thread_list_max=330, _nested_thread_list_max=0
        _tlh_cnt=3838, _tlh_times=397, avg_tlh_time=0.10, _tlh_time_max=15
        _deleted_thread_cnt=194, _deleted_thread_times=0, avg_deleted_thread_time=0.00, _deleted_thread_time_max=0
        _delete_lock_wait_cnt=0, _delete_lock_wait_max=0
        _to_delete_list_cnt=0, _to_delete_list_max=2

        "main" #1 prio=5 os_prio=0 cpu=502.76ms elapsed=4931.76s tid=0x00007fed3c040000 nid=0x2ed8 in Object.wait() [0x00007fed44691000]
           java.lang.Thread.State: WAITING (on object monitor)
        Thread: 0x00007fed3c040000 [0x2ed8] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting on <0x00000000a5ddbd68> (a java.lang.Thread)
        at java.lang.Thread.join(java.base@13-internal/Thread.java:1308)
        - locked <0x00000000a5ddbd68> (a java.lang.Thread)
        at java.lang.Thread.join(java.base@13-internal/Thread.java:1376)
        at com.sun.javatest.regtest.agent.MainWrapper.main(MainWrapper.java:74)

        "Reference Handler" #2 daemon prio=10 os_prio=0 cpu=0.53ms elapsed=4931.52s tid=0x00007fed3c207000 nid=0x2eee waiting on condition [0x00007fed1c417000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed3c207000 [0x2eee] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.ref.Reference.waitForReferencePendingList(java.base@13-internal/Native Method)
        at java.lang.ref.Reference.processPendingReferences(java.base@13-internal/Reference.java:241)
        at java.lang.ref.Reference$ReferenceHandler.run(java.base@13-internal/Reference.java:213)

        "Finalizer" #3 daemon prio=8 os_prio=0 cpu=0.30ms elapsed=4931.52s tid=0x00007fed3c20a800 nid=0x2eef in Object.wait() [0x00007fed1c316000]
           java.lang.Thread.State: WAITING (on object monitor)
        Thread: 0x00007fed3c20a800 [0x2eef] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting on <0x00000000a5ddba38> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:155)
        - locked <0x00000000a5ddba38> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:176)
        at java.lang.ref.Finalizer$FinalizerThread.run(java.base@13-internal/Finalizer.java:170)

        "Signal Dispatcher" #4 daemon prio=9 os_prio=0 cpu=4.67ms elapsed=4931.50s tid=0x00007fed3c222800 nid=0x2ef0 waiting on condition [0x0000000000000000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed3c222800 [0x2ef0] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked

        "C2 CompilerThread0" #5 daemon prio=9 os_prio=0 cpu=196.64ms elapsed=4931.50s tid=0x00007fed3c226800 nid=0x2ef1 runnable [0x0000000000000000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed3c226800 [0x2ef1] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
           No compile task

        "C1 CompilerThread0" #7 daemon prio=9 os_prio=0 cpu=268.45ms elapsed=4931.50s tid=0x00007fed3c22a000 nid=0x2ef2 runnable [0x0000000000000000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed3c22a000 [0x2ef2] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
           No compile task

        "Sweeper thread" #8 daemon prio=9 os_prio=0 cpu=2.80ms elapsed=4931.50s tid=0x00007fed3c22c800 nid=0x2ef3 runnable [0x0000000000000000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed3c22c800 [0x2ef3] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked

        "Common-Cleaner" #9 daemon prio=8 os_prio=0 cpu=11.00ms elapsed=4931.39s tid=0x00007fed3c2a7000 nid=0x2ef5 in Object.wait() [0x00007fed175fc000]
           java.lang.Thread.State: TIMED_WAITING (on object monitor)
        Thread: 0x00007fed3c2a7000 [0x2ef5] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting on <0x00000000a5dec260> (a java.lang.ref.ReferenceQueue$Lock)
        at java.lang.ref.ReferenceQueue.remove(java.base@13-internal/ReferenceQueue.java:155)
        - locked <0x00000000a5dec260> (a java.lang.ref.ReferenceQueue$Lock)
        at jdk.internal.ref.CleanerImpl.run(java.base@13-internal/CleanerImpl.java:148)
        at java.lang.Thread.run(java.base@13-internal/Thread.java:835)
        at jdk.internal.misc.InnocuousThread.run(java.base@13-internal/InnocuousThread.java:134)

        "Service Thread" #10 daemon prio=9 os_prio=0 cpu=12.22ms elapsed=4931.30s tid=0x00007fed3c340000 nid=0x2ef6 runnable [0x0000000000000000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed3c340000 [0x2ef6] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked

        "MainThread" #12 prio=5 os_prio=0 cpu=144.93ms elapsed=4931.19s tid=0x00007fed3c3ae800 nid=0x2ef8 sleeping [0x00007fed16e9f000]
           java.lang.Thread.State: TIMED_WAITING (sleeping)
        Thread: 0x00007fed3c3ae800 [0x2ef8] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Thread.sleep(java.base@13-internal/Native Method)
        at MallocStressTest.sleep_wait(MallocStressTest.java:147)
        at MallocStressTest.main(MallocStressTest.java:102)
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@13-internal/Native Method)
        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@13-internal/NativeMethodAccessorImpl.java:62)
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@13-internal/DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(java.base@13-internal/Method.java:567)
        at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
        at java.lang.Thread.run(java.base@13-internal/Thread.java:835)

        "MallocThread" #17 prio=5 os_prio=0 cpu=195.63ms elapsed=4931.11s tid=0x00007fecec046800 nid=0x2efd waiting for monitor entry [0x00007fed1699b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec046800 [0x2efd] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #21 prio=5 os_prio=0 cpu=187.25ms elapsed=4931.09s tid=0x00007fecec04f800 nid=0x2f01 waiting for monitor entry [0x00007fed16597000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec04f800 [0x2f01] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #22 prio=5 os_prio=0 cpu=186.99ms elapsed=4931.08s tid=0x00007fecec052000 nid=0x2f02 waiting for monitor entry [0x00007fed16496000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec052000 [0x2f02] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #23 prio=5 os_prio=0 cpu=239.52ms elapsed=4931.08s tid=0x00007fecec054000 nid=0x2f03 waiting on condition [0x00007fed16395000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fecec054000 [0x2f03] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.util.Arrays.copyOf(java.base@13-internal/Arrays.java:3721)
        at java.util.Arrays.copyOf(java.base@13-internal/Arrays.java:3690)
        at java.util.ArrayList.grow(java.base@13-internal/ArrayList.java:237)
        at java.util.ArrayList.grow(java.base@13-internal/ArrayList.java:242)
        at java.util.ArrayList.add(java.base@13-internal/ArrayList.java:485)
        at java.util.ArrayList.add(java.base@13-internal/ArrayList.java:498)
        at MallocStressTest$AllocThread.run(MallocStressTest.java:190)
        - locked <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #29 prio=5 os_prio=0 cpu=156.00ms elapsed=4931.04s tid=0x00007fecec061800 nid=0x2f0a waiting for monitor entry [0x00007fed15d8f000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec061800 [0x2f0a] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #32 prio=5 os_prio=0 cpu=191.06ms elapsed=4931.02s tid=0x00007fecec068800 nid=0x2f0d waiting for monitor entry [0x00007fed15a8c000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec068800 [0x2f0d] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #36 prio=5 os_prio=0 cpu=191.60ms elapsed=4930.99s tid=0x00007fecec078000 nid=0x2f11 waiting for monitor entry [0x00007fed15688000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec078000 [0x2f11] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #40 prio=5 os_prio=0 cpu=154.00ms elapsed=4930.80s tid=0x00007fecec0b4000 nid=0x2f1b waiting for monitor entry [0x00007fed15284000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec0b4000 [0x2f1b] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #42 prio=5 os_prio=0 cpu=277.08ms elapsed=4930.72s tid=0x00007fecec0d2000 nid=0x2f24 waiting for monitor entry [0x00007fed15082000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec0d2000 [0x2f24] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #45 prio=5 os_prio=0 cpu=155.45ms elapsed=4930.53s tid=0x00007fecec0fb800 nid=0x2f2a waiting for monitor entry [0x00007fed14d7f000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec0fb800 [0x2f2a] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #51 prio=5 os_prio=0 cpu=109.89ms elapsed=4929.65s tid=0x00007fecec219800 nid=0x2f51 waiting for monitor entry [0x00007fed14779000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec219800 [0x2f51] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #61 prio=5 os_prio=0 cpu=104.22ms elapsed=4929.18s tid=0x00007fecec2c7000 nid=0x2f65 waiting for monitor entry [0x00007feca7cfb000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2c7000 [0x2f65] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #63 prio=5 os_prio=0 cpu=96.60ms elapsed=4929.18s tid=0x00007fecec2cc000 nid=0x2f67 waiting for monitor entry [0x00007feca7af9000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2cc000 [0x2f67] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #68 prio=5 os_prio=0 cpu=109.63ms elapsed=4929.18s tid=0x00007fecec2d8800 nid=0x2f6c waiting for monitor entry [0x00007feca75f4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2d8800 [0x2f6c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #70 prio=5 os_prio=0 cpu=97.78ms elapsed=4929.18s tid=0x00007fecec2dd800 nid=0x2f6e waiting for monitor entry [0x00007feca73f2000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2dd800 [0x2f6e] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #75 prio=5 os_prio=0 cpu=125.45ms elapsed=4929.17s tid=0x00007fecec2e9000 nid=0x2f73 waiting for monitor entry [0x00007feca6eed000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2e9000 [0x2f73] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #77 prio=5 os_prio=0 cpu=120.09ms elapsed=4929.17s tid=0x00007fecec2ed800 nid=0x2f75 waiting for monitor entry [0x00007feca6ceb000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2ed800 [0x2f75] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #78 prio=5 os_prio=0 cpu=112.72ms elapsed=4929.17s tid=0x00007fecec2ef800 nid=0x2f76 waiting for monitor entry [0x00007feca6bea000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2ef800 [0x2f76] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #80 prio=5 os_prio=0 cpu=217.51ms elapsed=4929.17s tid=0x00007fecec2f4000 nid=0x2f78 waiting for monitor entry [0x00007feca69e8000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2f4000 [0x2f78] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #81 prio=5 os_prio=0 cpu=159.68ms elapsed=4929.17s tid=0x00007fecec2f6800 nid=0x2f79 waiting for monitor entry [0x00007feca68e7000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec2f6800 [0x2f79] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #86 prio=5 os_prio=0 cpu=153.77ms elapsed=4929.16s tid=0x00007fecec303000 nid=0x2f7e waiting for monitor entry [0x00007feca63e2000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec303000 [0x2f7e] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #89 prio=5 os_prio=0 cpu=128.49ms elapsed=4929.16s tid=0x00007fecec30a800 nid=0x2f81 waiting for monitor entry [0x00007feca60df000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec30a800 [0x2f81] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #95 prio=5 os_prio=0 cpu=99.82ms elapsed=4928.71s tid=0x00007fecec318800 nid=0x2f8f waiting for monitor entry [0x00007feca57d6000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec318800 [0x2f8f] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #97 prio=5 os_prio=0 cpu=164.18ms elapsed=4928.71s tid=0x00007fecec31d800 nid=0x2f91 waiting for monitor entry [0x00007feca55d4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec31d800 [0x2f91] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #98 prio=5 os_prio=0 cpu=157.12ms elapsed=4928.29s tid=0x00007fecec3ad000 nid=0x2f9f waiting for monitor entry [0x00007feca54d3000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec3ad000 [0x2f9f] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #101 prio=5 os_prio=0 cpu=92.41ms elapsed=4927.66s tid=0x00007fecec47e800 nid=0x2fb9 waiting for monitor entry [0x00007feca51d0000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec47e800 [0x2fb9] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #104 prio=5 os_prio=0 cpu=110.45ms elapsed=4926.92s tid=0x00007fecec5ee800 nid=0x2fd0 waiting for monitor entry [0x00007feca4ecd000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec5ee800 [0x2fd0] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #113 prio=5 os_prio=0 cpu=133.98ms elapsed=4926.91s tid=0x00007fecec604800 nid=0x2fd9 waiting for monitor entry [0x00007feca45c4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec604800 [0x2fd9] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #122 prio=5 os_prio=0 cpu=174.75ms elapsed=4926.91s tid=0x00007fecec61b000 nid=0x2fe2 waiting for monitor entry [0x00007fec9fbfa000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec61b000 [0x2fe2] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #128 prio=5 os_prio=0 cpu=140.28ms elapsed=4926.91s tid=0x00007fecec629800 nid=0x2fe8 waiting for monitor entry [0x00007fec9f5f4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec629800 [0x2fe8] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #133 prio=5 os_prio=0 cpu=155.51ms elapsed=4926.90s tid=0x00007fecec635800 nid=0x2fed waiting for monitor entry [0x00007fec9f0ef000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec635800 [0x2fed] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #136 prio=5 os_prio=0 cpu=174.86ms elapsed=4926.90s tid=0x00007fecec63d800 nid=0x2ff0 waiting for monitor entry [0x00007fec9edec000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec63d800 [0x2ff0] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #148 prio=5 os_prio=0 cpu=90.91ms elapsed=4926.90s tid=0x00007fecec65b000 nid=0x2ffc waiting for monitor entry [0x00007fec9e1e0000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec65b000 [0x2ffc] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #154 prio=5 os_prio=0 cpu=87.81ms elapsed=4926.90s tid=0x00007fecec669800 nid=0x3002 waiting for monitor entry [0x00007fec9dbda000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec669800 [0x3002] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #160 prio=5 os_prio=0 cpu=113.63ms elapsed=4926.90s tid=0x00007fecec678800 nid=0x3008 waiting for monitor entry [0x00007fec9d5d4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec678800 [0x3008] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #164 prio=5 os_prio=0 cpu=129.31ms elapsed=4926.90s tid=0x00007fecec682000 nid=0x300c waiting for monitor entry [0x00007fec9d1d0000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec682000 [0x300c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #167 prio=5 os_prio=0 cpu=226.34ms elapsed=4926.90s tid=0x00007fecec68a000 nid=0x300f waiting for monitor entry [0x00007fec9cecd000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec68a000 [0x300f] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #168 prio=5 os_prio=0 cpu=195.82ms elapsed=4926.90s tid=0x00007fecec68c800 nid=0x3010 waiting for monitor entry [0x00007fec9cdcc000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec68c800 [0x3010] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #169 prio=5 os_prio=0 cpu=88.48ms elapsed=4926.89s tid=0x00007fecec68f000 nid=0x3011 waiting for monitor entry [0x00007fec9cccb000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec68f000 [0x3011] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #175 prio=5 os_prio=0 cpu=113.80ms elapsed=4926.89s tid=0x00007fecec69d800 nid=0x3017 waiting for monitor entry [0x00007fec9c6c5000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec69d800 [0x3017] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #178 prio=5 os_prio=0 cpu=86.13ms elapsed=4926.61s tid=0x00007fecec6a5000 nid=0x301a waiting for monitor entry [0x00007fec9c3c2000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec6a5000 [0x301a] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #187 prio=5 os_prio=0 cpu=102.75ms elapsed=4926.60s tid=0x00007fecec6bb000 nid=0x3023 waiting for monitor entry [0x00007fec9bab9000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec6bb000 [0x3023] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #191 prio=5 os_prio=0 cpu=94.09ms elapsed=4926.60s tid=0x00007fecec6c5000 nid=0x3027 waiting for monitor entry [0x00007fec9b6b5000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec6c5000 [0x3027] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #192 prio=5 os_prio=0 cpu=241.61ms elapsed=4926.59s tid=0x00007fecec6d1800 nid=0x302a waiting for monitor entry [0x00007fec9b5b4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec6d1800 [0x302a] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #197 prio=5 os_prio=0 cpu=132.34ms elapsed=4925.55s tid=0x00007fecec94e800 nid=0x303e waiting for monitor entry [0x00007fec9b0af000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec94e800 [0x303e] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #198 prio=5 os_prio=0 cpu=112.24ms elapsed=4925.55s tid=0x00007fecec951000 nid=0x303f waiting for monitor entry [0x00007fec9afae000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec951000 [0x303f] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #199 prio=5 os_prio=0 cpu=108.29ms elapsed=4925.55s tid=0x00007fecec953800 nid=0x3040 waiting for monitor entry [0x00007fec9aead000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec953800 [0x3040] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #200 prio=5 os_prio=0 cpu=75.43ms elapsed=4925.55s tid=0x00007fecec956000 nid=0x3041 waiting for monitor entry [0x00007fec9adac000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec956000 [0x3041] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #201 prio=5 os_prio=0 cpu=107.34ms elapsed=4925.55s tid=0x00007fecec958800 nid=0x3042 waiting for monitor entry [0x00007fec9acab000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec958800 [0x3042] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #208 prio=5 os_prio=0 cpu=49.21ms elapsed=4925.55s tid=0x00007fecec96a000 nid=0x3049 waiting for monitor entry [0x00007fec9a5a4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec96a000 [0x3049] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #211 prio=5 os_prio=0 cpu=115.09ms elapsed=4925.55s tid=0x00007fecec971000 nid=0x304c waiting for monitor entry [0x00007fec9a2a1000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec971000 [0x304c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #217 prio=5 os_prio=0 cpu=80.28ms elapsed=4925.55s tid=0x00007fecec980000 nid=0x3052 waiting for monitor entry [0x00007fec99c9b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec980000 [0x3052] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #231 prio=5 os_prio=0 cpu=196.44ms elapsed=4925.54s tid=0x00007fecec9a2800 nid=0x3060 waiting for monitor entry [0x00007fec98e8d000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9a2800 [0x3060] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec278> (a java.util.ArrayList)

        "MallocThread" #233 prio=5 os_prio=0 cpu=84.36ms elapsed=4925.54s tid=0x00007fecec9a7800 nid=0x3062 waiting for monitor entry [0x00007fec98c8b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9a7800 [0x3062] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStress

        ...
        Output overflow:
        JT Harness has limited the test output to the text to that
        at the beginning and the end, so that you can see how the
        test began, and how it completed.

        If you need to see more of the output from the test,
        set the system property javatest.maxOutputSize to a higher
        value. The current value is 100000
        ...

        point 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #208 prio=5 os_prio=0 cpu=49.21ms elapsed=5053.87s tid=0x00007fecec96a000 nid=0x3049 waiting for monitor entry [0x00007fec9a5a4000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec96a000 [0x3049] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #211 prio=5 os_prio=0 cpu=115.09ms elapsed=5053.87s tid=0x00007fecec971000 nid=0x304c waiting for monitor entry [0x00007fec9a2a1000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec971000 [0x304c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #217 prio=5 os_prio=0 cpu=80.28ms elapsed=5053.87s tid=0x00007fecec980000 nid=0x3052 waiting for monitor entry [0x00007fec99c9b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec980000 [0x3052] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #231 prio=5 os_prio=0 cpu=196.44ms elapsed=5053.87s tid=0x00007fecec9a2800 nid=0x3060 waiting for monitor entry [0x00007fec98e8d000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9a2800 [0x3060] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #237 prio=5 os_prio=0 cpu=84.63ms elapsed=5053.87s tid=0x00007fecec9b1000 nid=0x3066 waiting for monitor entry [0x00007fec98887000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9b1000 [0x3066] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #240 prio=5 os_prio=0 cpu=81.81ms elapsed=5053.87s tid=0x00007fecec9b8800 nid=0x3069 waiting for monitor entry [0x00007fec98584000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9b8800 [0x3069] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #243 prio=5 os_prio=0 cpu=150.57ms elapsed=5053.87s tid=0x00007fecec9bf800 nid=0x306c waiting for monitor entry [0x00007fec98281000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9bf800 [0x306c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #244 prio=5 os_prio=0 cpu=196.97ms elapsed=5053.87s tid=0x00007fecec9c2800 nid=0x306d waiting for monitor entry [0x00007fec98180000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9c2800 [0x306d] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #249 prio=5 os_prio=0 cpu=77.19ms elapsed=5053.86s tid=0x00007fecec9cf000 nid=0x3072 waiting for monitor entry [0x00007fec97c7b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9cf000 [0x3072] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #250 prio=5 os_prio=0 cpu=105.26ms elapsed=5053.86s tid=0x00007fecec9d1000 nid=0x3073 waiting for monitor entry [0x00007fec97b7a000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9d1000 [0x3073] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #259 prio=5 os_prio=0 cpu=178.00ms elapsed=5053.39s tid=0x00007fecec9f7800 nid=0x30ad waiting for monitor entry [0x00007fec97271000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecec9f7800 [0x30ad] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "MallocThread" #261 prio=5 os_prio=0 cpu=93.19ms elapsed=5052.10s tid=0x00007fececbf0000 nid=0x30c9 waiting for monitor entry [0x00007fec9706f000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececbf0000 [0x30c9] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$AllocThread.run(MallocStressTest.java:189)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)

        "ReleaseThread" #269 prio=5 os_prio=0 cpu=1125.84ms elapsed=5050.63s tid=0x00007fececdb8800 nid=0x30f1 waiting for monitor entry [0x00007fec96867000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdb8800 [0x30f1] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #270 prio=5 os_prio=0 cpu=1138.92ms elapsed=5050.63s tid=0x00007fececdbb800 nid=0x30f2 waiting for monitor entry [0x00007fec96766000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdbb800 [0x30f2] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #271 prio=5 os_prio=0 cpu=1231.39ms elapsed=5050.63s tid=0x00007fececdbe000 nid=0x30f3 waiting for monitor entry [0x00007fec96665000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdbe000 [0x30f3] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #272 prio=5 os_prio=0 cpu=884.75ms elapsed=5050.63s tid=0x00007fececdc0800 nid=0x30f4 waiting for monitor entry [0x00007fec96564000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdc0800 [0x30f4] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #273 prio=5 os_prio=0 cpu=1121.82ms elapsed=5050.63s tid=0x00007fececdc3000 nid=0x30f5 waiting for monitor entry [0x00007fec96463000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdc3000 [0x30f5] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #274 prio=5 os_prio=0 cpu=770.84ms elapsed=5050.63s tid=0x00007fececdc5800 nid=0x30f6 waiting for monitor entry [0x00007fec96362000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdc5800 [0x30f6] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #275 prio=5 os_prio=0 cpu=931.03ms elapsed=5050.63s tid=0x00007fececdc7800 nid=0x30f7 waiting for monitor entry [0x00007fec96261000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdc7800 [0x30f7] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #276 prio=5 os_prio=0 cpu=1016.82ms elapsed=5050.63s tid=0x00007fececdca000 nid=0x30f8 waiting for monitor entry [0x00007fec96160000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdca000 [0x30f8] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #277 prio=5 os_prio=0 cpu=1131.15ms elapsed=5050.63s tid=0x00007fececdcc800 nid=0x30f9 waiting for monitor entry [0x00007fec9605f000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdcc800 [0x30f9] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #278 prio=5 os_prio=0 cpu=1251.97ms elapsed=5050.63s tid=0x00007fececdcf000 nid=0x30fa waiting for monitor entry [0x00007fec95f5e000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdcf000 [0x30fa] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #279 prio=5 os_prio=0 cpu=1078.43ms elapsed=5050.63s tid=0x00007fececdd1800 nid=0x30fb waiting for monitor entry [0x00007fec95e5d000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdd1800 [0x30fb] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #280 prio=5 os_prio=0 cpu=1387.45ms elapsed=5050.63s tid=0x00007fececdd4000 nid=0x30fc waiting for monitor entry [0x00007fec95d5c000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdd4000 [0x30fc] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #281 prio=5 os_prio=0 cpu=1514.09ms elapsed=5050.62s tid=0x00007fececdd6000 nid=0x30fd waiting for monitor entry [0x00007fec95c5b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdd6000 [0x30fd] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #282 prio=5 os_prio=0 cpu=1375.18ms elapsed=5050.62s tid=0x00007fececdd8800 nid=0x30fe waiting for monitor entry [0x00007fec95b5a000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdd8800 [0x30fe] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #283 prio=5 os_prio=0 cpu=1381.50ms elapsed=5050.62s tid=0x00007fececddb000 nid=0x30ff waiting for monitor entry [0x00007fec95a59000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececddb000 [0x30ff] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #284 prio=5 os_prio=0 cpu=906.25ms elapsed=5050.62s tid=0x00007fececddd800 nid=0x3100 waiting for monitor entry [0x00007fec95958000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececddd800 [0x3100] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #285 prio=5 os_prio=0 cpu=838.57ms elapsed=5050.62s tid=0x00007fececde0000 nid=0x3101 waiting for monitor entry [0x00007fec95857000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececde0000 [0x3101] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #286 prio=5 os_prio=0 cpu=1267.25ms elapsed=5050.61s tid=0x00007fececde2800 nid=0x3103 waiting for monitor entry [0x00007fec95756000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececde2800 [0x3103] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #287 prio=5 os_prio=0 cpu=1054.94ms elapsed=5050.61s tid=0x00007fececde5000 nid=0x3104 waiting for monitor entry [0x00007fec95655000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececde5000 [0x3104] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #288 prio=5 os_prio=0 cpu=866.74ms elapsed=5050.60s tid=0x00007fececde7800 nid=0x3105 waiting for monitor entry [0x00007fec95554000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececde7800 [0x3105] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #289 prio=5 os_prio=0 cpu=1094.01ms elapsed=5050.60s tid=0x00007fececdea000 nid=0x3106 waiting for monitor entry [0x00007fec95453000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdea000 [0x3106] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #290 prio=5 os_prio=0 cpu=883.00ms elapsed=5050.59s tid=0x00007fececdec800 nid=0x3107 waiting for monitor entry [0x00007fec95352000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdec800 [0x3107] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #291 prio=5 os_prio=0 cpu=1074.72ms elapsed=5050.59s tid=0x00007fececdef000 nid=0x3108 waiting for monitor entry [0x00007fec95251000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdef000 [0x3108] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #292 prio=5 os_prio=0 cpu=1366.20ms elapsed=5050.59s tid=0x00007fececdf2000 nid=0x3109 waiting for monitor entry [0x00007fec95150000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdf2000 [0x3109] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #293 prio=5 os_prio=0 cpu=1342.57ms elapsed=5050.59s tid=0x00007fececdf4800 nid=0x310a waiting for monitor entry [0x00007fec9504f000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdf4800 [0x310a] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #294 prio=5 os_prio=0 cpu=1018.04ms elapsed=5050.59s tid=0x00007fececdf6800 nid=0x310b waiting for monitor entry [0x00007fec94f4e000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdf6800 [0x310b] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #295 prio=5 os_prio=0 cpu=1172.25ms elapsed=5050.59s tid=0x00007fececdf9000 nid=0x310c waiting for monitor entry [0x00007fec94e4d000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdf9000 [0x310c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #296 prio=5 os_prio=0 cpu=1300.30ms elapsed=5050.59s tid=0x00007fececdfb800 nid=0x310d waiting for monitor entry [0x00007fec94d4c000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdfb800 [0x310d] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #297 prio=5 os_prio=0 cpu=1235.60ms elapsed=5050.59s tid=0x00007fececdfe000 nid=0x310e waiting for monitor entry [0x00007fec94c4b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fececdfe000 [0x310e] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #298 prio=5 os_prio=0 cpu=958.31ms elapsed=5050.59s tid=0x00007fecece00800 nid=0x310f waiting for monitor entry [0x00007fec94b4a000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece00800 [0x310f] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #299 prio=5 os_prio=0 cpu=1280.76ms elapsed=5050.59s tid=0x00007fecece03000 nid=0x3110 waiting for monitor entry [0x00007fec94a49000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece03000 [0x3110] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #300 prio=5 os_prio=0 cpu=1049.16ms elapsed=5050.59s tid=0x00007fecece05800 nid=0x3111 waiting for monitor entry [0x00007fec94948000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece05800 [0x3111] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #301 prio=5 os_prio=0 cpu=1165.80ms elapsed=5050.59s tid=0x00007fecece08000 nid=0x3112 waiting for monitor entry [0x00007fec94847000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece08000 [0x3112] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #302 prio=5 os_prio=0 cpu=1049.69ms elapsed=5050.59s tid=0x00007fecece0a800 nid=0x3113 waiting for monitor entry [0x00007fec94746000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece0a800 [0x3113] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #303 prio=5 os_prio=0 cpu=1027.04ms elapsed=5050.59s tid=0x00007fecece0d000 nid=0x3114 waiting for monitor entry [0x00007fec94645000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece0d000 [0x3114] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #304 prio=5 os_prio=0 cpu=1045.95ms elapsed=5050.59s tid=0x00007fecece0f800 nid=0x3115 waiting for monitor entry [0x00007fec94544000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece0f800 [0x3115] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #305 prio=5 os_prio=0 cpu=1134.07ms elapsed=5050.59s tid=0x00007fecece12000 nid=0x3116 waiting for monitor entry [0x00007fec94443000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece12000 [0x3116] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #306 prio=5 os_prio=0 cpu=940.54ms elapsed=5050.59s tid=0x00007fecece14800 nid=0x3117 waiting for monitor entry [0x00007fec94342000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece14800 [0x3117] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #307 prio=5 os_prio=0 cpu=1083.89ms elapsed=5050.59s tid=0x00007fecece17000 nid=0x3118 waiting for monitor entry [0x00007fec94241000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece17000 [0x3118] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #308 prio=5 os_prio=0 cpu=1099.97ms elapsed=5050.58s tid=0x00007fecece19000 nid=0x311a waiting for monitor entry [0x00007fec94140000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece19000 [0x311a] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #309 prio=5 os_prio=0 cpu=1133.33ms elapsed=5050.58s tid=0x00007fecece1b800 nid=0x311b waiting for monitor entry [0x00007fec9403f000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece1b800 [0x311b] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #310 prio=5 os_prio=0 cpu=1087.45ms elapsed=5050.58s tid=0x00007fecece1e000 nid=0x311c waiting for monitor entry [0x00007fec93f3e000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece1e000 [0x311c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #311 prio=5 os_prio=0 cpu=1205.21ms elapsed=5050.58s tid=0x00007fecece20800 nid=0x311d waiting for monitor entry [0x00007fec93e3d000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece20800 [0x311d] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #312 prio=5 os_prio=0 cpu=1444.49ms elapsed=5050.58s tid=0x00007fecece23000 nid=0x311e waiting for monitor entry [0x00007fec93d3c000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece23000 [0x311e] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #313 prio=5 os_prio=0 cpu=1275.06ms elapsed=5050.58s tid=0x00007fecece25800 nid=0x311f waiting for monitor entry [0x00007fec93c3b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece25800 [0x311f] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #314 prio=5 os_prio=0 cpu=1174.58ms elapsed=5050.58s tid=0x00007fecece28000 nid=0x3120 waiting for monitor entry [0x00007fec93b3a000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece28000 [0x3120] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #315 prio=5 os_prio=0 cpu=1131.01ms elapsed=5050.58s tid=0x00007fecece2a800 nid=0x3121 waiting for monitor entry [0x00007fec93a39000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece2a800 [0x3121] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #316 prio=5 os_prio=0 cpu=987.45ms elapsed=5050.58s tid=0x00007fecece2d000 nid=0x3122 waiting for monitor entry [0x00007fec93938000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece2d000 [0x3122] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #317 prio=5 os_prio=0 cpu=1097.52ms elapsed=5050.58s tid=0x00007fecece2f800 nid=0x3123 waiting for monitor entry [0x00007fec93837000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece2f800 [0x3123] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #318 prio=5 os_prio=0 cpu=1348.95ms elapsed=5050.58s tid=0x00007fecece32000 nid=0x3124 waiting for monitor entry [0x00007fec93736000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece32000 [0x3124] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #319 prio=5 os_prio=0 cpu=1247.32ms elapsed=5050.58s tid=0x00007fecece34800 nid=0x3125 waiting for monitor entry [0x00007fec93635000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece34800 [0x3125] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #320 prio=5 os_prio=0 cpu=1116.82ms elapsed=5050.58s tid=0x00007fecece37000 nid=0x3126 waiting for monitor entry [0x00007fec93534000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece37000 [0x3126] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #321 prio=5 os_prio=0 cpu=1145.43ms elapsed=5050.58s tid=0x00007fecece39000 nid=0x3127 waiting for monitor entry [0x00007fec93433000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece39000 [0x3127] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #322 prio=5 os_prio=0 cpu=1192.55ms elapsed=5050.58s tid=0x00007fecece3b800 nid=0x3128 waiting for monitor entry [0x00007fec93332000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece3b800 [0x3128] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #323 prio=5 os_prio=0 cpu=846.93ms elapsed=5050.58s tid=0x00007fecece3e000 nid=0x3129 waiting for monitor entry [0x00007fec93231000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece3e000 [0x3129] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #324 prio=5 os_prio=0 cpu=1158.17ms elapsed=5050.58s tid=0x00007fecece41000 nid=0x312a waiting for monitor entry [0x00007fec93130000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece41000 [0x312a] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #325 prio=5 os_prio=0 cpu=1018.03ms elapsed=5050.58s tid=0x00007fecece43800 nid=0x312b waiting for monitor entry [0x00007fec9302f000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece43800 [0x312b] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #326 prio=5 os_prio=0 cpu=1135.23ms elapsed=5050.58s tid=0x00007fecece46000 nid=0x312c waiting for monitor entry [0x00007fec92f2e000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece46000 [0x312c] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #327 prio=5 os_prio=0 cpu=1200.36ms elapsed=5050.58s tid=0x00007fecece48800 nid=0x312d waiting for monitor entry [0x00007fec92e2d000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece48800 [0x312d] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #328 prio=5 os_prio=0 cpu=751.17ms elapsed=5050.58s tid=0x00007fecece4b000 nid=0x312f waiting for monitor entry [0x00007fec92d2c000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece4b000 [0x312f] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #329 prio=5 os_prio=0 cpu=1209.75ms elapsed=5050.58s tid=0x00007fecece4d800 nid=0x3130 waiting for monitor entry [0x00007fec92c2b000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece4d800 [0x3130] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at MallocStressTest$ReleaseThread.slow_release(MallocStressTest.java:264)
        - waiting to lock <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:218)

        "ReleaseThread" #330 prio=5 os_prio=0 cpu=991.60ms elapsed=5050.58s tid=0x00007fecece50000 nid=0x3131 waiting for monitor entry [0x00007fec92b2a000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece50000 [0x3131] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #331 prio=5 os_prio=0 cpu=974.02ms elapsed=5050.58s tid=0x00007fecece52800 nid=0x3132 waiting for monitor entry [0x00007fec92a29000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece52800 [0x3132] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "ReleaseThread" #332 prio=5 os_prio=0 cpu=1217.51ms elapsed=5050.43s tid=0x00007fecece55000 nid=0x3134 waiting for monitor entry [0x00007fec92928000]
           java.lang.Thread.State: BLOCKED (on object monitor)
        Thread: 0x00007fecece55000 [0x3134] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.lang.Object.wait(java.base@13-internal/Native Method)
        - waiting to re-lock in wait() <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.enter_pause(MallocStressTest.java:235)
        - locked <0x00000000a5dec1d8> (a java.util.ArrayList)
        at MallocStressTest$ReleaseThread.run(MallocStressTest.java:221)

        "Attach Listener" #333 daemon prio=9 os_prio=0 cpu=4.89ms elapsed=158.09s tid=0x00007fed01cee800 nid=0x6f03 waiting on condition [0x0000000000000000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed01cee800 [0x6f03] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked

        "Attach Listener" #334 daemon prio=9 os_prio=0 cpu=10.61ms elapsed=158.09s tid=0x00007fed001bb000 nid=0x6f04 runnable [0x00007feca4dcb000]
           java.lang.Thread.State: RUNNABLE
        Thread: 0x00007fed001bb000 [0x6f04] State: _at_safepoint _at_poll_safepoint 0
           JavaThread state: _thread_blocked
        at java.util.LinkedHashMap.keySet(java.base@13-internal/LinkedHashMap.java:533)
        at java.util.HashSet.iterator(java.base@13-internal/HashSet.java:173)
        at java.util.AbstractCollection.toArray(java.base@13-internal/AbstractCollection.java:184)
        at java.lang.invoke.InnerClassLambdaMetafactory.spinInnerClass(java.base@13-internal/InnerClassLambdaMetafactory.java:258)
        at java.lang.invoke.InnerClassLambdaMetafactory.buildCallSite(java.base@13-internal/InnerClassLambdaMetafactory.java:189)
        at java.lang.invoke.LambdaMetafactory.altMetafactory(java.base@13-internal/LambdaMetafactory.java:504)
        at java.lang.invoke.DirectMethodHandle$Holder.invokeStatic(java.base@13-internal/DirectMethodHandle$Holder)
        at java.lang.invoke.DelegatingMethodHandle$Holder.delegate(java.base@13-internal/DelegatingMethodHandle$Holder)
        at java.lang.invoke.Invokers$Holder.invokeExact_MT(java.base@13-internal/Invokers$Holder)
        at java.lang.invoke.BootstrapMethodInvoker.invoke(java.base@13-internal/BootstrapMethodInvoker.java:138)
        at java.lang.invoke.CallSite.makeSite(java.base@13-internal/CallSite.java:307)
        at java.lang.invoke.MethodHandleNatives.linkCallSiteImpl(java.base@13-internal/MethodHandleNatives.java:259)
        at java.lang.invoke.MethodHandleNatives.linkCallSite(java.base@13-internal/MethodHandleNatives.java:249)
        at java.util.Comparator.comparingInt(java.base@13-internal/Comparator.java:489)
        at java.lang.ref.FinalizerHistogram.getFinalizerHistogram(java.base@13-internal/FinalizerHistogram.java:77)

        "VM Thread" os_prio=0 cpu=4903568.47ms elapsed=5059.86s tid=0x00007fed3c1fa800 nid=0x2eed runnable

        "GC Thread#0" os_prio=0 cpu=17976.02ms elapsed=5059.92s tid=0x00007fed3c0d2800 nid=0x2ee9 runnable

        "GC Thread#1" os_prio=0 cpu=16877.03ms elapsed=5057.49s tid=0x00007fed101dc000 nid=0x2f86 runnable

        "GC Thread#2" os_prio=0 cpu=17228.12ms elapsed=5057.49s tid=0x00007fed101de800 nid=0x2f87 runnable

        "GC Thread#3" os_prio=0 cpu=17499.97ms elapsed=5057.49s tid=0x00007fed101e0800 nid=0x2f88 runnable

        "CMS Main Thread" os_prio=0 cpu=97699.34ms elapsed=5059.91s tid=0x00007fed3c0d8800 nid=0x2eea runnable

        "VM Periodic Task Thread" os_prio=0 cpu=3714.56ms elapsed=5059.61s tid=0x00007fed3c356800 nid=0x2ef7 waiting on condition

        JNI global refs: 8, weak refs: 0

        ----------System.err:(1/147)----------
        Java HotSpot(TM) 64-Bit Server VM warning: Option UseConcMarkSweepGC was deprecated in version 9.0 and will likely be removed in a future release.

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                • Assignee:
                  coleenp Coleen Phillimore
                  Reporter:
                  jjiang John Jiang
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                  • Created:
                    Updated:
                    Resolved: