[jdk8u-dev] RFR: 8254001: [Metrics] Enhance parsing of cgroup interface files for version detection [v2]

[Severin Gehwolf]

On Mon, 12 Dec 2022 09:55:39 GMT, Jonathan Dowland <jdowland at openjdk.org> wrote:

>> This is a backport of 8254001 to jdk8u-dev for cgroups v2 support.
>> 
>> It's not clean: some context issues around import lines and `Files.writeString` replacements.
>
> Jonathan Dowland has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:
> 
>  - 8254001: [Metrics] Enhance parsing of cgroup interface files for version detection
>    
>    Reviewed-by: sgehwolf
>    Backport-of: a50725db2ab621e1a17cb5505f78e4bc73972a27
>  - 8253797: [cgroups v2] Account for the fact that swap accounting is disabled on some systems
>    
>    Backport-of: 669361117d30c9904813b6f728714f8d6abe8484

@jmtd This one needs a rebase now, please. Thanks!

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PR: https://git.openjdk.org/jdk8u-dev/pull/170