RFR: 8269851: OperatingSystemMXBean getProcessCpuLoad reports incorrect process cpu usage in containers [v2]

[xpbob]

On Wed, 7 Jul 2021 10:34:51 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

> > This patch seems fine in principle [...]
> 
> Let me revise this. It looks like imposing CPU limits via cpuset-cpus would go down a path which won't have this fixed with the current patch.

use (getProcessCpuLoad0() * totalCPUs / containerCPUs) for CPU limits via cpuset-cpus

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