[9] RFR (XS) 8066508: JTReg tests timeout on slow devices when run using JPRT

Chris Plummer chris.plummer at oracle.com
Fri Dec 5 20:52:38 UTC 2014

On 12/5/14 6:05 AM, Daniel D. Daugherty wrote:
> On 12/5/14 2:45 AM, David Holmes wrote:
>> On 5/12/2014 7:22 PM, David Holmes wrote:
>>> On 5/12/2014 6:11 PM, Staffan Larsen wrote:
>>>> Running with longer timeouts on fast machines makes the testing less
>>>> responsive (if a test is on its way to timeout it takes longer for us
>>>> to detect it). Ideally the timeout factor should be tuned according to
>>>> the machine type we are running on. I�m not sure that is possible,
>>>> though?
>>> We don't have that level of control unfortunately.
>> Sorry that's not true. As this is our Makefile we could make the 
>> timeout value platform specific (though remember this is an open 
>> file). And if we have some means of defining a performance metric for 
>> a machine, we could even tune it for the current machine - but I'm 
>> not sure we'd want to go that path anyway. Perhaps a RFE.
>> What Chris is proposing addresses a current problem and brings 
>> hotspot testing into line with what the JDK testing has been doing 
>> since 2009. :)
> I'm fairly certain that VM/SQE nightly tunes the JavaTest/JTREG
> timeout factor depending on the machine type or the machine name
> itself; I don't know the exact details. I suspect that this is
> possible in VM/SQE nightly/Aurora because there is a database
> of per-machine info.
> It might be possible to do something similar for JPRT if it
> tracks information per client machine...
Ok. BTW, I was not suggesting a JPRT fix instead of my above fix in the 
near term. I still would like to push my fix and have the timeout for 
hotspot/test be on par with jdk/test. I still need one more reviewer.


> Dan
>> David
>>> David
>>>>> On 5 dec 2014, at 00:52, David Holmes <david.holmes at oracle.com> 
>>>>> wrote:
>>>>> Hi Chris,
>>>>> Sorry I mis-directed you to send this one to build-dev, as it is a
>>>>> hotspot test/Makefile fix it should be reviewed by hotspot-dev now 
>>>>> cc'd.
>>>>> Fix looks good to me.
>>>>> Thanks,
>>>>> David
>>>>> On 5/12/2014 6:37 AM, Chris Plummer wrote:
>>>>>> Please review the following fix to address JPRT timeout issues when
>>>>>> using -rtests to run hotspot JTReg tests on slow devices. The same
>>>>>> logic
>>>>>> has been in place for jdk/test/Makefile for a while now, so I just
>>>>>> copied from there to hotspot/test/Makefile.
>>>>>> https://bugs.openjdk.java.net/browse/JDK-8066508
>>>>>> http://cr.openjdk.java.net/~cjplummer/8066508/webrev.00/
>>>>>> thanks,
>>>>>> Chris

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