Grafana

from(bucket: "meshcore")
  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
  |> filter(fn: (r) => r._measurement == "meshcore_hop_snr")
  |> filter(fn: (r) => r._field == "snr")
  |> map(fn: (r) => ({ r with _field: r.from + " → " + r.to }))
  |> drop(columns: ["from", "to", "host"])

from(bucket: "meshcore")
  |> range(start: v.timeRangeStart, stop: v.timeRangeStop)
  |> filter(fn: (r) => r._measurement == "meshcore_trace_status")
  |> filter(fn: (r) => r._field == "success")
  |> map(fn: (r) => ({ r with _field: r.path }))
  |> drop(columns: ["path", "host"])