hg: jdk9/hs-gc/hotspot: 8055098: WB API should be extended to provide information about size and age of object.

[thomas.schatzl at oracle.com]

Changeset: bf4d2f5595bc
Author:    tschatzl
Date:      2014-08-21 16:44 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/bf4d2f5595bc

8055098: WB API should be extended to provide information about size and age of object.
Summary: Extend the WhiteBox API to provide information about the size and age of objects. Further add a mechanism to trigger a young GC.
Reviewed-by: tschatzl, sjohanss
Contributed-by: Leonid Mesnik <leonid.mesnik at oracle.com>

! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp
! src/share/vm/gc_interface/gcCause.cpp
! src/share/vm/gc_interface/gcCause.hpp
! src/share/vm/memory/genCollectedHeap.cpp
! src/share/vm/prims/whitebox.cpp
! test/testlibrary/whitebox/sun/hotspot/WhiteBox.java