git: openjdk/jdk: 8306441: Two phase segmented heap dump

[Yi Yang]

Changeset: 31a307f2
Author:    Yi Yang <yyang at openjdk.org>
Date:      2023-08-09 01:58:57 +0000
URL:       https://git.openjdk.org/jdk/commit/31a307f2fbe7b99435f50e5404c2a95f07b9a77b

8306441: Two phase segmented heap dump

Co-authored-by: Kevin Walls <kevinw at openjdk.org>
Reviewed-by: amenkov, kevinw

! src/hotspot/share/logging/logTag.hpp
! src/hotspot/share/runtime/thread.hpp
! src/hotspot/share/runtime/vmOperation.hpp
! src/hotspot/share/runtime/vmStructs.cpp
! src/hotspot/share/services/attachListener.cpp
! src/hotspot/share/services/attachListener.hpp
! src/hotspot/share/services/diagnosticCommand.cpp
! src/hotspot/share/services/diagnosticCommand.hpp
! src/hotspot/share/services/heapDumper.cpp
! src/hotspot/share/services/heapDumper.hpp
! src/hotspot/share/services/heapDumperCompression.cpp
! src/hotspot/share/services/heapDumperCompression.hpp
+ src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/AttachListenerThread.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Thread.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/Threads.java
+ test/hotspot/jtreg/serviceability/dcmd/gc/HeapDumpParallelTest.java