RFR: 8333446: Add tests for hierarchical container support [v4]

[Severin Gehwolf]

On Fri, 12 Jul 2024 12:28:16 GMT, Jan Kratochvil <jkratochvil at openjdk.org> wrote:

> With #17198 and this updated patch I still get the a FAIL due to:
> 
> ```
> [0.333s][trace][os,container] OSContainer::active_processor_count: 4
> ```
> 
> But let's resolve it after #17198 gets final/approved.

Because the #17198 is incomplete. As mentioned in the review:

> We ought to also trim the path for the CPU controller. This patch only fixes the memory controller.

That's exactly why the test is failing.

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PR Comment: https://git.openjdk.org/jdk/pull/19530#issuecomment-2225501718