topk(
  5,
  sum by (sql_digest) (
    sum_over_time(
      topsql_cpu_time_ms{
        provider="aws",
        region="us-west-2",
        tenant_id="60047",
        project_id="73526",
        cluster_id="63307",

        instance="db-tidb-0.db-tidb-peer.tidb63307.svc:10080",
        instance_type="tidb",
      }[1809s]
    )
  )
)