git: openjdk/jdk17u-dev: 8307348: Parallelize heap walk for ObjectCount(AfterGC) JFR event collection

[Aleksey Shipilev]

Changeset: fc08b730
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-07-06 10:43:23 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/fc08b730142dcde39291be8044dfa667b98363ad

8307348: Parallelize heap walk for ObjectCount(AfterGC) JFR event collection

Reviewed-by: ogillespie, phh
Backport-of: 540c706bbcbb809ae1304aac4f2a16a5e83cb458

! src/hotspot/share/gc/g1/g1ConcurrentMark.cpp
! src/hotspot/share/gc/g1/g1FullCollector.cpp
! src/hotspot/share/gc/parallel/psParallelCompact.cpp
! src/hotspot/share/gc/serial/genMarkSweep.cpp
! src/hotspot/share/gc/shared/gcTrace.cpp
! src/hotspot/share/gc/shared/gcTrace.hpp
! src/hotspot/share/gc/shared/gcVMOperations.cpp
! src/hotspot/share/memory/heapInspection.cpp
! src/hotspot/share/memory/heapInspection.hpp