[BUG] DCGM Metrics Not Supported When Use Koordinator GPU Allocate Logic

[ZiMengSheng]

What happened:

DCGM 采用 PodResources 接口暴露 Pod 的 GPU 指标，这依赖 kubelet 的 GPU 分配结果，但是 Koordinator 的 GPU 分配结果是调度器分配的，因此 DCGM 这里会有问题。

What you expected to happen:

用户能够通过某种方式看到和 dcgm 一样的指标

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know?:

Environment:

• App version:
• Kubernetes version (use kubectl version):
• Install details (e.g. helm install args):
• Node environment (for koordlet/runtime-proxy issue):
  • Containerd/Docker version:
  • OS version:
  • Kernal version:
  • Cgroup driver: cgroupfs/systemd
• Others:

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