hg: jdk/jdk: 8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping

[per.liden at oracle.com]

Changeset: 185ffc45593c
Author:    pliden
Date:      2019-05-17 12:06 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/185ffc45593c

8223961: ZGC: Unexpected behaviour due to ZMetronome::wait_for_tick() oversleeping
Reviewed-by: pliden, stefank
Contributed-by: fujie at loongson.cn, per.liden at oracle.com

! src/hotspot/share/gc/z/zMetronome.cpp
! src/hotspot/share/gc/z/zMetronome.hpp
! src/hotspot/share/gc/z/zStat.cpp