RFR [11]: 2018-10-18, Bulk backports to sh/jdk11

[Zhengyu Gu]

Sent from my iPad

> On Oct 18, 2018, at 6:26 PM, Aleksey Shipilev <shade at redhat.com> wrote:
> 
>> On 10/18/2018 11:26 PM, Zhengyu Gu wrote:
>> I am not sure about JFR parallel/concurrent events, it looks like ParallelEvent has yet defined in
>> JDK11 (jfr/metadata/metadata.xml)
> 
> sh/jdk11 code only does infrastructure with Shenandoah{Concurrent|Parallel}WorkerSession, but not
> actual bindings to JFR, because, as you say, there are no JFR events for it (yet). In case they
> would get backported, we have the hooks ready. Does this make sense?

Ah, got it. Then good to go.

Thanks,

Zhengyu 

> 
> -Aleksey
>