RFR: 8202342: [Graal] fromTonga/nsk/jvmti/unit/FollowReferences/followref003/TestDescription.java fails with "Location mismatch" errors

Alex Menkov alexey.menkov at oracle.com
Tue Aug 21 21:18:42 UTC 2018


+1

--alex

On 08/20/2018 20:06, serguei.spitsyn at oracle.com wrote:
> Hi Daniil,
> 
> Looks good.
> 
> Thanks,
> Serguei
> 
> 
> 
> On 8/16/18 19:04, Daniil Titov wrote:
>> Please review the change that fix the test failure when running with 
>> Graal.
>>
>> There are 2 problems here. The first one is that when running with 
>> Graal the number of local references reported by JVMTI 
>> FollowReferences () to the callback exceeds the size of the array  ( 
>> 100 ) the test uses for storing them. The second issue is that the 
>> test explicitly checks that the frame depth is in 0..50 range while 
>> the frame depth for some of the references reported by the compiler 
>> thread may exceed this limit.
>>
>> The fix ensures that only local references from the main thread are 
>> processed by the test and local references from other (e.g. compiler) 
>> threads are ignored.
>>
>> Webrev: http://cr.openjdk.java.net/~dtitov/8202342/webrev.01
>> Issue: https://bugs.openjdk.java.net/browse/JDK-8202342
>>
>>
>> Thanks,
>> Daniil
>>
>>
> 


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