hg: jdk/sandbox: 8203921: JFR thread sampling is missing fixes from JDK-8194552

[chris.hegarty at oracle.com]

Changeset: 22f611c395b3
Author:    mgronlun
Date:      2018-06-04 12:51 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/22f611c395b3

8203921: JFR thread sampling is missing fixes from JDK-8194552
Reviewed-by: egahlin

! src/hotspot/share/jfr/periodic/sampling/jfrThreadSampler.cpp
! src/hotspot/share/jfr/periodic/sampling/jfrThreadSampler.hpp