git: openjdk/jdk: master: 8368527: JMX: Add an MXBeans method to query GC CPU time

[Kevin Walls]

Changeset: 812add27
Branch: master
Author:    Jonas Norlinder <jonas.norlinder at oracle.com>
Committer: Kevin Walls <kevinw at openjdk.org>
Date:      2025-11-17 10:42:02 +0000
URL:       https://git.openjdk.org/jdk/commit/812add27abdc70bc52ca105bc9430494a6491ecd

8368527: JMX: Add an MXBeans method to query GC CPU time

Reviewed-by: phh, kevinw

! src/hotspot/share/include/jmm.h
! src/hotspot/share/services/cpuTimeUsage.cpp
! src/hotspot/share/services/management.cpp
! src/java.management/share/classes/java/lang/management/MemoryMXBean.java
! src/java.management/share/classes/sun/management/MemoryImpl.java
! src/java.management/share/classes/sun/management/VMManagement.java
! src/java.management/share/classes/sun/management/VMManagementImpl.java
! src/java.management/share/native/libmanagement/VMManagementImpl.c
! test/hotspot/jtreg/vmTestbase/nsk/monitoring/share/server/ServerMemoryMXBean.java
+ test/jdk/java/lang/management/MemoryMXBean/StressGetTotalGcCpuTimeDuringShutdown.java
+ test/jdk/java/lang/management/MemoryMXBean/TestGetTotalGcCpuTime.java
! test/jdk/javax/management/mxbean/MXBeanInteropTest1.java