{
  "clock_id": 1,
  "submitted": 1043,
  "presented": 1042,
  "discarded": 1,
  "unresolved_at_log_end": 0,
  "unique_presented_video_frames": 1042,
  "unique_presented_pts": 1042,
  "presentation_span_s": 35.002123,
  "presentation_events_per_s": 29.74105313554838,
  "interval_ms": {
    "median": 38.316,
    "p95": 57.474,
    "max": 76.637
  },
  "sequence_first": 45126,
  "sequence_last": 46953,
  "flags_counts": {
    "7": 1042
  },
  "all_hardware_completion": true,
  "submit_to_present_ms": {
    "min": 3.649807,
    "max": 58.581762,
    "mean": 16.14749628790787
  },
  "evidence_level": "hardware-signalled compositor presentation",
  "limitations": "Not a photon measurement. Rates count surface updates, not decoder throughput. Driver event correctness requires a separate source/hardware audit."
}