RFR (M) #5 CR 8003985: Support @Contended annotation

[Aleksey Shipilev]

Sorry to hear it. Looking.
Is this a part of regular test suite (which I had missed to run)?

-Aleksey.

On 01/15/2013 10:43 PM, Staffan Larsen wrote:
> This change seems to have broken deadlock detection in SA. Here is the exception that I get:
> 
> java.lang.RuntimeException: should not reach here
>         at sun.jvm.hotspot.oops.InstanceKlass.getFieldOffset(InstanceKlass.java:327)
> 
> I haven't yet dug into the details. To reproduce, start any Java program, then run:
> 
>> sudo build/linux/linux_amd64_compiler2/jvmg/hotspot -cp build/linux/linux_amd64_compiler2/generated/sa-jdi.jar sun.jvm.hotspot.tools.JStack <pid of the program>
> 
> Using java runtime at: /home/staffan/java/8latest/jre
> Attaching to process ID 28487, please wait...
> Debugger attached successfully.
> Server compiler detected.
> JVM version is 25.0-b15-internal-jvmg
> Deadlock Detection:
> 
> java.lang.RuntimeException: should not reach here
>         at sun.jvm.hotspot.oops.InstanceKlass.getFieldOffset(InstanceKlass.java:327)
>         at sun.jvm.hotspot.oops.Field.<init>(Field.java:47)
>         at sun.jvm.hotspot.oops.OopField.<init>(OopField.java:42)
>         at sun.jvm.hotspot.oops.InstanceKlass.newField(InstanceKlass.java:915)
>         at sun.jvm.hotspot.oops.InstanceKlass.findLocalField(InstanceKlass.java:628)
>         at sun.jvm.hotspot.oops.InstanceKlass.findField(InstanceKlass.java:665)
>         at sun.jvm.hotspot.oops.InstanceKlass.findField(InstanceKlass.java:689)
>         at sun.jvm.hotspot.oops.OopUtilities.initThreadFields(OopUtilities.java:220)
>         at sun.jvm.hotspot.oops.OopUtilities.threadOopGetParkBlocker(OopUtilities.java:292)
>         at sun.jvm.hotspot.runtime.JavaThread.getCurrentParkBlocker(JavaThread.java:385)
>         at sun.jvm.hotspot.runtime.DeadlockDetector.print(DeadlockDetector.java:82)
>         at sun.jvm.hotspot.runtime.DeadlockDetector.print(DeadlockDetector.java:39)
>         at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:52)
>         at sun.jvm.hotspot.tools.StackTrace.run(StackTrace.java:45)
>         at sun.jvm.hotspot.tools.JStack.run(JStack.java:60)
>         at sun.jvm.hotspot.tools.Tool.start(Tool.java:221)
>         at sun.jvm.hotspot.tools.JStack.main(JStack.java:86)
> Can't print deadlocks:should not reach here