test/trace_processor/power/dvfs_metric.textproto

packet {
  ftrace_events {
    cpu: 0
    event {
      timestamp: 200001000000
      pid: 2
      clock_set_rate {
        name : "domain@1"
        state: 400000
      }
    }
    event {
      timestamp: 200002000000
      pid: 2
      clock_set_rate {
        name : "bus_throughput"
        state: 1014000
      }
    }
    event {
      timestamp: 200003000000
      pid: 2
      clock_set_rate {
        name: "domain@1"
        state: 1024000
      }
    }
    event {
      timestamp: 200004000000
      pid: 2
      clock_set_rate {
        name: "domain@1"
        state: 553000
      }
    }
    event {
      timestamp: 200005000000
      pid: 2
      clock_set_rate {
        name: "bus_throughput"
        state: 2028000
      }
    }
    event {
      timestamp: 200005999999
      pid: 527
      clock_set_rate {
        name: "domain@1"
        state: 553000
      }
    }
  }
  trusted_uid: 9999
  trusted_packet_sequence_id: 2
}