RFR(S/M) : 8243430 : use reproducible random in :vmTestbase_vm_gc

[Igor Ignatyev]

Thomas, Leonid and Kim

thank you for your reviews, pushed.

-- Igor

> On Jun 2, 2020, at 3:40 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
>  looks good.
> 
> Thomas


> On Jun 1, 2020, at 8:04 PM, Leonid Mesnik <leonid.mesnik at oracle.com> wrote:
> 
> Looks good.
> 
> Leonid
> 
> On 6/1/20 8:00 PM, Igor Ignatyev wrote:
>> ping?
>> -- Igor
>> 
>>> On May 20, 2020, at 3:43 PM, Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
>>> 
>>> ping?
>>> -- Igor
>>> 
>>>> On May 5, 2020, at 10:18 AM, Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
>>>> 
>>>> can I get 2nd review for that? or ack. that it's fine to be pushed w/ just one review?
>>>> 
>>>> -- Igor
>>>> 
>>>>> On May 3, 2020, at 8:29 AM, Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
>>>>> 
>>>>> 
>>>>> 
>>>>>> On May 3, 2020, at 12:13 AM, Kim Barrett <kim.barrett at oracle.com> wrote:
>>>>>> 
>>>>>>> On Apr 30, 2020, at 4:38 PM, Igor Ignatyev <igor.ignatyev at oracle.com> wrote:
>>>>>>> 
>>>>>>> http://cr.openjdk.java.net/~iignatyev/8243430/webrev.00
>>>>>>>> 555 lines changed: 11 ins; 65 del; 479 mod;
>>>>>>> Hi all,
>>>>>>> 
>>>>>>> could you please review this small patch?
>>>>>>> from JBS:
>>>>>>>> this subtask is to use j.t.l.Utils.getRandomInstance() as a random number generator, where applicable, in : vmTestbase_vm_gc test group and marking the tests which make use of "randomness" with a proper k/w.
>>>>>>> testing: : vmTestbase_vm_gc test group
>>>>>>> JBS: https://bugs.openjdk.java.net/browse/JDK-8243430
>>>>>>> webrevs:
>>>>>>> - code changes: http://cr.openjdk.java.net/~iignatyev//8243430/webrev.00.code
>>>>>>>> 94 lines changed: 11 ins; 65 del; 18 mod;
>>>>>>> - adding k/w: http://cr.openjdk.java.net/~iignatyev//8243430/webrev.00.kw
>>>>>>>> 229 lines changed: 0 ins; 0 del; 229 mod;
>>>>>>> - full: http://cr.openjdk.java.net/~iignatyev//8243430/webrev.00
>>>>>>>> 555 lines changed: 11 ins; 65 del; 479 mod;
>>>>>>> Thanks,
>>>>>>> -- Igor
>>>>> Hi Kim,
>>>>> 
>>>>>> I could be missing something, bug I don't see where either of these
>>>>>> use randomness:
>>>>>> test/hotspot/jtreg/vmTestbase/gc/gctests/gctest03/gctest03.java
>>>>> gctest03 starts Yellowthread at L#130, and Yellowthread uses nsk.share.test.LocalRandom in its 'run' method at L#167 of vmTestbase/gc/gctests/gctest03/appthread.java
>>>>> 
>>>>>> test/hotspot/jtreg/vmTestbase/gc/gctests/gctest04/gctest04.java
>>>>> gctest04 starts reqdisp thread at L#97, and reqdisp uses n.s.t.LocalRandom in its 'run' method at L#211 of vmTestbase/gc/gctests/gctest04/reqgen.java
>>>>>> test/hotspot/jtreg/vmTestbase/gc/gctests/gctest02/gctest02.java
>>>>>> Still importing java.util.Random, but that doesn't seem needed.
>>>>>> 53 import java.util.Random;
>>>>> you're right, I'll remove it before pushing.
>>>>> 
>>>>>> Other than that, looks good.
>>>>> thanks for review!
>>>>>> I don't need a new webrev for changes related to the above.
>>>>> -- Igor