RFR: 8214484: ZGC: Exclude SA tests ClhsdbJhisto and TestHeapDumpFor*

Chris Plummer chris.plummer at oracle.com
Thu Nov 29 23:47:07 UTC 2018


On 11/29/18 1:28 PM, Per Liden wrote:
> Hi Chris,
>
> On 2018-11-29 20:04, Chris Plummer wrote:
>> Hi Per,
>>
>> I think there may have been some discussion about this before. Are 
>> there plans to eventually get SA heap walking support for ZGC, and is 
>> the list of disabled tests being maintained somewhere?
>
> The latest directive I've received is that we should not spend any 
> more time or resources on adding ZGC support to the SA.
>
> I personally agree with that. I think the benefits provided by the SA 
> is dwarfed by the cost to maintain it, so we should phase it out.
>
> You should be able to find the excluded tests by grepping for 'vm.gc 
> != "Z"' among the SA tests.
>
> cheers,
> Per
>
Ok. I'm fine with that. Just wanted to make sure we have a plan, even if 
that plan is to never support it.

thanks,

Chris
>>
>> thanks,
>>
>> Chris
>>
>> On 11/29/18 7:07 AM, Per Liden wrote:
>>> There's no support for SA heap walking when using ZGC. Hence the 
>>> tests for this should not execute when ZGC is enabled.
>>>
>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8214484
>>> Webrev: http://cr.openjdk.java.net/~pliden/8214484/webrev.0
>>>
>>> /Per
>>
>>



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