hg: jdk9/hs-gc/hotspot: 8068589: GCCause should distinguish jcmd GC.run from System.gc()

[yasu at ysfactory.dip.jp]

Changeset: 5abc906fe3a8
Author:    ysuenaga
Date:      2015-02-04 22:21 +0900
URL:       http://hg.openjdk.java.net/jdk9/hs-gc/hotspot/rev/5abc906fe3a8

8068589: GCCause should distinguish jcmd GC.run from System.gc()
Summary: GCCause which is caused by GC.run diagnostic command should be different from System.gc() .
Reviewed-by: sla, tamao

! src/share/vm/gc_interface/gcCause.cpp
! src/share/vm/gc_interface/gcCause.hpp
! src/share/vm/services/diagnosticCommand.cpp