[jdk8u-dev] RFR: 8284977: MetricsTesterCgroupV2.getLongValueEntryFromFile fails when named value doesn't exist

[kurashige]

On Tue, 20 Dec 2022 10:19:08 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

>> Hi all,
>> 
>> I'd like to backport this to jdk8u-dev.
>> It fixes a test failure caused by cgroups virtual files (nr_periods etc) not existing in some circumstances.
>> 
>> Thanks.
>
> @kurashige23 Please change the PR title to `Backport 444a0d98ac06ab043e3b11281234fd515abff302` as that would make the bots recognize this properly as a backport. Thanks! Please also enable GHA testing on your fork. Instructions should be provided as to how to do that.

@jerboaa I'm sorry for some mistakes.  I fixed PR title and enabled GHA testing. Is that all right?

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PR: https://git.openjdk.org/jdk8u-dev/pull/215