RFR: 8269851: OperatingSystemMXBean getProcessCpuLoad reports incorrect process cpu usage in containers [v4]

[Severin Gehwolf]

On Thu, 8 Jul 2021 02:51:09 GMT, xpbob <github.com+7837910+xpbob at openjdk.org> wrote:

>> …ocess cpu usage in containers
>
> xpbob has updated the pull request incrementally with one additional commit since the last revision:
> 
>   remove whitespace

Thanks for the update. `getProcessCpuLoad()` and `getCpuLoad()` looks way too similar to me. Is there a way to make them more generic and do the process vs. system paths as needed? I think there is.

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Changes requested by sgehwolf (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/4702