RFR: Print heap usage info on partial GC logs

[Zhengyu Gu]

Look good.

-Zhengyu

On 04/05/2017 09:51 AM, Roman Kennke wrote:
> We're not printing heap usage infos in the logs for partial GC pauses.
> It's interesting though, because we're reclaiming memory in the
> post-partial-GC pause.
>
> http://cr.openjdk.java.net/~rkennke/partial-heap-info/webrev.00/
> <http://cr.openjdk.java.net/%7Erkennke/partial-heap-info/webrev.00/>
>
> Roman
>
>