(11) RFR (XS): 8205966: [testbug] New Nestmates JDI test times out with Xcomp on sparc

David Holmes david.holmes at oracle.com
Fri Jul 6 05:48:54 UTC 2018


On 6/07/2018 3:29 PM, Mikael Vidstedt wrote:
> Looks good. Nice speedup!

Thanks for looking at it Mikael!

Still the second longest test in com/sun/jdi at 21 minutes!!!

David

> Cheers,
> Mikael
> 
> 
>> On Jul 5, 2018, at 10:21 PM, David Holmes <david.holmes at oracle.com> wrote:
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8205966
>> webrev: http://cr.openjdk.java.net/~dholmes/8205966/webrev/
>>
>> One of the @run variants was taking around 15x longer to execute. That variant uses the InMemoryJavaCompiler which involves a lot of classes and code execution. The test was enabling method entry event generation for all of main, resulting in the massive slowdown.
>>
>> The fix is to add a new breakpoint() function that gets called after the in-memory compilation setup is done, and we initially run the test to that point before enabling the events.
>>
>> The problem @run now only takes 2x the other tests and so should avoid the timeouts.
>>
>> Testing: mach5 tier4 solaris-sparc
>>          mach5 tier 1-3
>>
>> Thanks,
>> David
> 


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