graph_trace: {
    calculator_name : ["ACalculator", "BCalculator"]
    stream_name     : [ "", "input1"]
    base_time       : 0
    base_timestamp  : 100

    # Fire off three input packets and have them spend time in Calculator A.
    # Drop the middle packet.

    calculator_trace: {
      node_id: -1
      input_timestamp: 100
      event_type     : PROCESS
      finish_time    : 1000
      output_trace: {
        packet_timestamp: 100
        stream_id       : 1
      }
      thread_id      : 1
    }
    calculator_trace: {
      node_id: -1
      input_timestamp: 101
      event_type     : PROCESS
      finish_time    : 2000
      output_trace: {
        packet_timestamp: 101
        stream_id       : 1
      }
      thread_id      : 1
    }
    calculator_trace: {
      node_id: -1
      input_timestamp: 102
      event_type     : PROCESS
      finish_time    : 3000
      output_trace: {
        packet_timestamp: 102
        stream_id       : 1
      }
      thread_id      : 1
    }

    # First event is disconnected. We'll see the output_trace later.
    calculator_trace: {
      node_id: 0
      input_timestamp: 100
      event_type     : PROCESS
      start_time    : 1100
      input_trace: {
        packet_timestamp: 100
        stream_id       : 1
      }
      thread_id      : 1
    }

    # # We're going to drop this packet.
    calculator_trace: {
      node_id: 0
      input_timestamp: 101
      event_type     : PROCESS
      start_time     : 2100
      input_trace: {
        packet_timestamp: 101
        stream_id       : 1
      }
      thread_id      : 1
    }
    # # Here's that matching output trace.
    calculator_trace: {
      node_id: 0
      input_timestamp: 100
      event_type     : PROCESS
      finish_time    : 1500
      input_trace: {
        packet_timestamp: 100
        stream_id       : 1
      }
      thread_id      : 1
    }
    # Third packet is processed all at the same time.
    calculator_trace: {
      node_id: 0
      input_timestamp: 102
      event_type     : PROCESS
      start_time     : 3100
      finish_time    : 3600
      input_trace: {
        packet_timestamp: 102
        stream_id       : 1
      }
      thread_id      : 1
    }

    # A second calculator will process an input in order to affect the
    # time_percent.

    calculator_trace: {
      node_id: 1
      input_timestamp: 102
      event_type     : PROCESS
      start_time     : 3200
      finish_time    : 3500
      input_trace: {
        packet_timestamp: 102
        stream_id       : 1
      }
      thread_id      : 1
    }
}
config: {
  node: {
    name: "ACalculator"
    calculator: "ACalculator"
    input_stream: "input1"
  }
  node: {
    name: "BCalculator"
    calculator: "BCalculator"
    input_stream: "input1"
  }
}