Docker-Kubernetes-Container-CPU-Utilization
Implementing CPU Load goroutine requires the user to call the goroutine from the main file.
go CPULoadCalc()
For multi-cpu env divide cpuLoad by cpu count.
Giving credit where it is due: https://unix.stackexchange.com/questions/450748/calculating-cpu-usage-of-a-cgroup-over-a-period-of-time I have written both Python and Go implementation of the unix shell script shared in the above link