RFR(S): 8153013: BlockingCompilation test times out

Nils Eliasson nils.eliasson at oracle.com
Thu Apr 14 12:32:47 UTC 2016


Yes, good feedback -

New webrev including your and Vladimirs suggestions:
http://cr.openjdk.java.net/~neliasso/8153013/webrev.03/

Thanks for having a look!
Nils


On 2016-04-14 09:01, Igor Veresov wrote:
> Sorry for nitpicking, but can’t compile_reason argument be of type CompileReason instead of int everywhere? It’d be also nice to place reason_name close to the enum.
>
> igor
>
>
>> On Apr 13, 2016, at 5:59 AM, Nils Eliasson <nils.eliasson at oracle.com> wrote:
>>
>> Hi,
>>
>> New webrev:
>> http://cr.openjdk.java.net/~neliasso/8153013/webrev.02/
>>
>> Summary
>> Introduced an enum CompileReason with members matching all the old variants, and a table containing all the unchanged strings. I see the possibility of removing/changing/simplifying some CompileReasons but have choosen not to do so in this change.
>>
>> Only new logic is the CompileTask::can_become_stale() method.
>>
>> Testing:
>> Running Testset hotspot on all platforms and hotspot_all on one platform
>>
>> Regards,
>> Nils Eliawsson
>>
>> On 2016-04-12 18:55, Vladimir Kozlov wrote:
>>> On 4/12/16 6:30 AM, Nils Eliasson wrote:
>>>> Tasks get evicted from the compile_queue if their invocation counter
>>>> hasn't increased during TieredCompileTaskTimeout.
>>>> (AdvancedThresholdPolicy::is_stale(...)).
>>>>
>>>> I'll do a proper fix, it is the right thing to do and should be pretty
>>>> quick. I'll change the comment to an enum that represent who submitted
>>>> the compile, and add a table for the comments. This could be useful in
>>>> other settings to.
>>> Sounds good.
>>>
>>> Thanks,
>>> Vladimir
>>>
>>>> Regards,
>>>> Nils
>>>>
>>>> On 2016-04-08 19:09, Vladimir Kozlov wrote:
>>>>> What do you mean "stale"?
>>>>> I would prefer to see the real fix as you suggested to avoid removing
>>>>> WB comp tasks from queue. Adding timeout is not reliable.
>>>>>
>>>>> Thanks,
>>>>> Vladimir
>>>>>
>>>>> On 4/8/16 5:27 AM, Nils Eliasson wrote:
>>>>>> Hi,
>>>>>>
>>>>>> Please review this small fix of the BlockingCompilation test.
>>>>>>
>>>>>> Summary:
>>>>>> Add method enqueued for compilation with WB API may be removed from
>>>>>> the compile queue as stale.
>>>>>>
>>>>>> Solution:
>>>>>> Add -XX:TieredCompileTaskTimeout=60000 to make sure nothing gets
>>>>>> stale while the test is running. (Also added some extra
>>>>>> checks that may spare us from waiting until timeout for failing.)
>>>>>>
>>>>>> This is an workaround but we should consider fixing something
>>>>>> permanent for WB API compiles - like tagging the compile
>>>>>> task with info about the origin of the compile. The comment field has
>>>>>> this information - but then it needs to be
>>>>>> converted to an enum.
>>>>>>
>>>>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8153013
>>>>>> Webrev: http://cr.openjdk.java.net/~neliasso/8153013/webrev.01/
>>>>>>
>>>>>> Best regards,
>>>>>> Nils Eliasson
>>>>>>
>>>>>>
>>>>>>
>>>>>>



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