RFR(S): 8153013: BlockingCompilation test times out
Igor Veresov
igor.veresov at oracle.com
Thu Apr 14 22:15:20 UTC 2016
Looks good. Thanks!
igor
> On Apr 14, 2016, at 5:43 AM, Nils Eliasson <nils.eliasson at oracle.com> wrote:
>
> I moved the reasons to CompileTask.hpp and put it together with the names list. Also changed the type from int to CompileReason as Igor suggested.
>
> It gets verbose in the method declarations in compileBroker and sometimes I think CompileReason should be declared in CompileBroker because it is mostly used there. On the other hand, CompileTask is the keeper of the CompileReason so it makes sense too.
>
> New webrev:
> http://cr.openjdk.java.net/~neliasso/8153013/webrev.03/
>
> Thanks!
> Nils
>
> On 2016-04-13 23:34, Vladimir Kozlov wrote:
>> Very nice, I like it.
>>
>> One note. CompileReason (and its names) should be CompileTask class where it is recorded. Then CompileTask::can_become_stale() can be in header file so it is inlinined on all platforms.
>>
>> Thanks,
>> Vladimir
>>
>> On 4/13/16 5:59 AM, Nils Eliasson 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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