[jdk8u-dev] RFR: 8278951: containers/cgroup/PlainRead.java fails on Ubuntu 21.10 [v3]

[Severin Gehwolf]

On Fri, 11 Nov 2022 16:28:59 GMT, Jonathan Dowland <jdowland at openjdk.org> wrote:

>> This is a backport of 8278951 to jdk8u-dev as part of the cgroups v2 backport initiative.
>> 
>> Dependent PRs are in use.
>> 
>> It was clean (modulo path shuffles). The use of `log_trace` needed adjusting for jdk8u-dev.
>
> Jonathan Dowland has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 13 additional commits since the last revision:
> 
>  - replace log_trace with tty->print_cr
>  - 8278951: containers/cgroup/PlainRead.java fails on Ubuntu 21.10
>    
>    Reviewed-by: sgehwolf
>    Backport-of: 35172cdaf38d83cd3ed57a5436bf985dde2d802b
>  - PlainRead: ProcessBuilder: jdk8u-appropriate command line flags
>  - adjust jtreg settings and imports for 8u
>  - 8197408: Bad pointer comparison and small cleanup in os_linux.cpp
>    
>    Reviewed-by: bobv, stuefe
>  - Test fix by Severin. Thanks!
>  - replace post-jdk8u Optional.isEmpty
>  - 8239559: Cgroups: Incorrect detection logic on some systems
>    
>    Adjust heuristic with cgroup mounts according to mountinfo
>    
>    Backport-of: 53ee0c4963007b86db7979312b81f990e6ce271a
>  - 8240189: [TESTBUG] Some cgroup tests are failing after JDK-8231111
>    
>    Reviewed-by: mdoerr
>    Backport-of: c92adf41587767e9c5c8e116cfaeb375d36928aa
>  - Don't pass --add-exports to jdk8u java inside docker
>    
>    These are JDK9+ module specific parameters.
>  - ... and 3 more: https://git.openjdk.org/jdk8u-dev/compare/e6c38804...7fc8633b

Keep open, please.

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PR: https://git.openjdk.org/jdk8u-dev/pull/155