RFR: 8055416: Several vm/gc/heap/summary "After GC" events emitted for the same GC ID

Stefan Karlsson stefan.karlsson at oracle.com
Mon Aug 25 07:22:15 UTC 2014


On 22/08/14 17:01, Erik Helin wrote:
> Hi Stefan,
>
> looks good, Reviewed! Thanks for fixing this!

Thanks!

StefanK

>
> Erik
>
> On 2014-08-22 15:07, Stefan Karlsson wrote:
>> Hi all,
>>
>> Please review this patch to make sure that the "heap summary after gc"
>> events  are only sent once.
>>
>> http://cr.openjdk.java.net/~stefank/8055416/webrev.00/
>> https://bugs.openjdk.java.net/browse/JDK-8055416
>>
>> This was found in one of our closed JFR tests. From the bug report:
>> ---
>> For client VM and G1 GC several vm/gc/heap/summary events with property
>> when='After GC' could be emitted for the same GC ID.
>> At the same time there will be only one 'Before GC' vm/gc/heap/summary
>> event for the same GC ID.
>> ---
>>
>> thanks,
>> StefanK



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