test/trace_processor/chrome/long_event_latency.textproto

# Long latency events from two renderer processes
packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  track_descriptor {
    uuid: 10
    process {
      pid: 1001
      process_name: "Renderer"
    }
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  track_descriptor {
    uuid: 20
    process {
      pid: 1002
      process_name: "Renderer"
    }
  }
}

# EventLatency 1: 200ms duration
packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  track_descriptor {
    uuid: 101
    parent_uuid: 10
    name: "EventLatency"
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 111000
  track_event {
    track_uuid: 101
    categories: "cat"
    debug_annotations: {
      name: "event"
      string_value: "FirstGestureScrollUpdate"
    }
    name: "EventLatency"
    type: 1
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 200111000
  track_event {
    track_uuid: 101
    categories: "cat"
    name: "EventLatency"
    type: 2
  }
}

# EventLatency 2: 110ms ending at the same timestamp as EventLatency 1.
# EventLatency 1 and 2 are reported as one occurrence of long latency.
packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  track_descriptor {
    uuid: 102
    parent_uuid: 10
    name: "EventLatency"
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 90111000
  track_event {
    track_uuid: 102
    categories: "cat"
    debug_annotations: {
      name: "event"
      string_value: "GestureScrollUpdate"
    }
    name: "EventLatency"
    type: 1
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 200111000
  track_event {
    track_uuid: 102
    categories: "cat"
    name: "EventLatency"
    type: 2
  }
}

# EventLatency 3: a long latency slightly above the 100ms threshold
packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  track_descriptor {
    uuid: 103
    parent_uuid: 10
    name: "EventLatency"
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 180111000
  track_event {
    track_uuid: 103
    categories: "cat"
    debug_annotations: {
      name: "event"
      string_value: "GestureScrollUpdate"
    }
    name: "EventLatency"
    type: 1
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 280111001
  track_event {
    track_uuid: 103
    categories: "cat"
    name: "EventLatency"
    type: 2
  }
}

# EventLatency 4: below the 100ms threshold; not a long latency
packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  track_descriptor {
    uuid: 104
    parent_uuid: 10
    name: "EventLatency"
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 250111001
  track_event {
    track_uuid: 104
    categories: "cat"
    debug_annotations: {
      name: "event"
      string_value: "GestureScrollUpdate"
    }
    name: "EventLatency"
    type: 1
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 350111000
  track_event {
    track_uuid: 104
    categories: "cat"
    name: "EventLatency"
    type: 2
  }
}

# EventLatency 5: long latency from the second renderer process;
# should be reported as a standalone long latency occurrence despite having
# the same end time as EventLatency 1.
packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  track_descriptor {
    uuid: 201
    parent_uuid: 20
    name: "EventLatency"
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 111000
  track_event {
    track_uuid: 201
    categories: "cat"
    debug_annotations: {
      name: "event"
      string_value: "GestureScrollUpdate"
    }
    name: "EventLatency"
    type: 1
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 200111000
  track_event {
    track_uuid: 201
    categories: "cat"
    name: "EventLatency"
    type: 2
  }
}