hg: shenandoah/jdk: 2 new changesets

[ashipile at redhat.com]

Changeset: 5b72747a28ab
Author:    shade
Date:      2018-07-11 09:43 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/5b72747a28ab

Exponential backoff with pacing

! src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp

Changeset: 446220b6e48c
Author:    shade
Date:      2018-07-11 10:23 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/446220b6e48c

More detailed pacing histogram

! src/hotspot/share/gc/shenandoah/shenandoahPacer.cpp