git: openjdk/jdk8u-dev: 8239559: Cgroups: Incorrect detection logic on some systems

[Jonathan Dowland]

Changeset: b0826174
Author:    Jonathan Dowland <jdowland at openjdk.org>
Date:      2022-12-13 15:45:35 +0000
URL:       https://git.openjdk.org/jdk8u-dev/commit/b0826174b78d2acf758b1df8c3233a4885eb1715

8239559: Cgroups: Incorrect detection logic on some systems

Adjust heuristic with cgroup mounts according to mountinfo

Reviewed-by: sgehwolf
Backport-of: 53ee0c4963007b86db7979312b81f990e6ce271a

! jdk/src/linux/classes/jdk/internal/platform/CgroupSubsystemFactory.java
+ jdk/test/jdk/internal/platform/cgroup/TestCgroupSubsystemFactory.java
! jdk/test/lib/testlibrary/jdk/testlibrary/Utils.java