display_metrics {
  total_duplicate_frames: 0
  duplicate_frames_logged: 0
  total_dpu_underrun_count: 0
  refresh_rate_switches: 5
  refresh_rate_stats {
    refresh_rate_fps: 60
    count: 2
    total_dur_ms: 2
    avg_dur_ms: 1
  }
  refresh_rate_stats {
    refresh_rate_fps: 90
    count: 2
    total_dur_ms: 2
    avg_dur_ms: 1
  }
  refresh_rate_stats {
    refresh_rate_fps: 120
    count: 1
    total_dur_ms: 2
    avg_dur_ms: 2
  }
}