RFR: 8245543: Cgroups: Incorrect detection logic on some systems (still reproducible) [v3]

[Severin Gehwolf]

On Mon, 5 Oct 2020 19:22:04 GMT, Bob Vandette <bobv at openjdk.org> wrote:

>> Severin Gehwolf has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix typo in comment
>
> src/java.base/linux/classes/jdk/internal/platform/CgroupSubsystemFactory.java line 150:
> 
>> 148:         // find anyway in that case.
>> 149:         try (Stream<String> mntInfo = CgroupUtil.readFilePrivileged(Paths.get(mountInfo))) {
>> 150:             boolean anyCgroupMounted = mntInfo.anyMatch(CgroupSubsystemFactory::noSystemdCgroupLine);
> 
> I'd prefer a similar approach to the hotspot side where you do a positive check for controllers we are interested in
> rather than a negative check for systemd.

OK. I'll probably fold JDK-8254001 into this one then.

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PR: https://git.openjdk.java.net/jdk/pull/485