[8u60] Request for backport approval: 8055416 Several vm/gc/heap/summary "After GC" events emitted for the same GC ID

Seán Coffey sean.coffey at oracle.com
Mon Mar 23 15:56:02 UTC 2015

Hi Michail,

this is a hotspot related fix and should enter 8u codeline via the 
hotspot team forest :

No approvals are necessary there as the gatekeeper will submit a bulk 
approval integration request.


On 23/03/15 15:33, Michail Chernov wrote:
> Dear colleagues,
> I'd like to get approval to backport changes from JDK9 to 8u.
> Webrev: http://cr.openjdk.java.net/~eistepan/~mchernov/8055416/webrev.00/
> Original issue was fixed and approved at August 2014. Here is the mail 
> thread: 
> http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2014-August/010549.html
> JDK9 webrev: http://cr.openjdk.java.net/~stefank/8055416/webrev.00/
> Original bug is https://bugs.openjdk.java.net/browse/JDK-8055416
> "
> 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."
> Testing: JDK with changes was built locally. Closed JFR test has passed.
> Thanks,
> Michail

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