[question]cgroup有哪些参数，koordinator使用了哪些，能做个汇总么

[13567436138]

What happened:
cgroup有哪些参数，koordinator使用了哪些，能做个汇总么
What you expected to happen:

Environment:

• Koordinator version: - v0.6.2
• Kubernetes version (use kubectl version): v1.22.5
• docker/containerd version: containerd 1.5.0
• OS (e.g: cat /etc/os-release): Ubuntu 20.04.4 LTS
• Kernel (e.g. uname -a): Linux 5.10.112-11.al8.x86_64 ✨ Add NodeMetric API #1 SMP Tue May 24 16:05:50 CST 2022 x86_64 x86_64 x86_64 GNU/Linux

Anything else we need to know:

[saintube]

@13567436138 这部分属于组件内部实现，不属于终端用户功能，底层实现可能随版本迭代而变动。如果您对 koordinator 的实现机制有兴趣，可以参考 pkg/koordlet/util/system 模块，欢迎贡献～

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