RFR(M): 8006683: Add WhiteBox API to testing of compiler

Igor Ignatyev igor.ignatyev at oracle.com
Thu Jan 31 04:56:55 PST 2013


Rémi

Your suggestions sounds good.
I'll file separate RFE for it.

Best regards,
Igor Ignatyev

On 01/31/2013 12:11 AM, Remi Forax wrote:
> On 01/30/2013 08:53 PM, Vladimir Kozlov wrote:
>> Igor,
>>
>> I agree with Mikael to give different name to test.
>>
>> Calls to get info in VM looks fine to me. Could you also add call to
>> get compilation level code->comp_level() of compiled code?
>>
>> Do we plan to add more WB tests later as separate *.java tests or we
>> keep only one  CompilerWhiteBoxTest.java and update it?
>>
>> Thanks,
>> Vladimir
>
> Hi all,
> may I suggest to add several more methods that I would like to have when
> testing runtimes of languages based on the VM.
>
> boolean setForceInlineMethod(Method, boolean)
>    which should be equivalent to put @ForceInline on a method.
>
> enqueueMethodForCompilation(Method method)
>    enqueue a method even if threshold is not reached
>    (avoid to have a constant in the test that must be updated when the
> compile threshold of Hotspot will change)
>
> void clearMetaDataObject(Method method)
>    be sure that we are in fresh state before calling a method.
>    (maybe deoptimizeMethod has this side effect ?)
>
> cheers,
> Rémi
>
>>
>> On 1/29/13 12:31 PM, Igor Ignatyev wrote:
>>> Hi all,
>>>
>>> Please review the patch
>>>
>>> 1. added new functions to WhiteBox:
>>>    public native void    deoptimizeAll();
>>>    public native boolean isMethodCompiled(Method method);
>>>    public native boolean isMethodCompilable(Method method);
>>>    public native boolean isMethodQueuedForCompilation(Method method);
>>>    public native int     deoptimizeMethod(Method method);
>>>    public native boolean setDontInlineMethod(Method method, boolean
>>> value);
>>>    public native int     getCompileQueuesSize();
>>>
>>> 2. added test 'test/compiler/WBApiTest.java' which exercises these
>>> functions
>>>
>>> 3. added result type to macro WB_METHOD_DECLARE
>>>
>>> webrev: http://cr.openjdk.java.net/~vlivanov/8006683/webrev.00/
>


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