The recipe `ad-hoc cpu-overload-logs` is exactly what's needed here. Let me run it directly.注意到 tidb 节点名带有 `-ac-2006050899364941824` 后缀（这是 nodepool 标识，不是 K8s pod 名的标准形式）。需确认 pod 名是否即为带后缀的完整名称，由于 metrics 里的 `pod` label 就是这个值，结果直接使用即可。

```json
{
  "cluster_id": "10989049060142230334",
  "window": {
    "start": "2026-07-21T03:00:00Z",
    "end": "2026-07-21T03:05:00Z"
  },
  "evidence_sufficient": true,
  "ranked_nodes": [
    {
      "component": "tidb",
      "rank": 1,
      "node": "db-tidb-3-ac-2006050899364941824",
      "avg_cpu_overload": 0.3979,
      "error_warn_log_count": 0
    },
    {
      "component": "tidb",
      "rank": 2,
      "node": "db-tidb-17-ac-2006050899364941824",
      "avg_cpu_overload": 0.3425,
      "error_warn_log_count": 0
    },
    {
      "component": "tidb",
      "rank": 3,
      "node": "db-tidb-10-ac-2006050899364941824",
      "avg_cpu_overload": 0.3415,
      "error_warn_log_count": 0
    },
    {
      "component": "tikv",
      "rank": 1,
      "node": "db-tikv-30",
      "avg_cpu_overload": 0.5474,
      "error_warn_log_count": 0
    },
    {
      "component": "tikv",
      "rank": 2,
      "node": "db-tikv-44",
      "avg_cpu_overload": 0.5411,
      "error_warn_log_count": 0
    },
    {
      "component": "tikv",
      "rank": 3,
      "node": "db-tikv-138",
      "avg_cpu_overload": 0.5360,
      "error_warn_log_count": 0
    },
    {
      "component": "pd",
      "rank": 1,
      "node": "db-pd-0",
      "avg_cpu_overload": 0.1995,
      "error_warn_log_count": 285
    },
    {
      "component": "pd",
      "rank": 2,
      "node": "db-pd-1",
      "avg_cpu_overload": 0.0520,
      "error_warn_log_count": 1
    },
    {
      "component": "pd",
      "rank": 3,
      "node": "db-pd-2",
      "avg_cpu_overload": 0.0493,
      "error_warn_log_count": 2
    }
  ]
}
```