{
  "base": "/private/tmp/smartgrid-ipad-midi-sysex-worker-20260910",
  "completed_local": "2026-09-10T15:39:52.751458-07:00",
  "status": "completed_analyzed",
  "recording_start": "2026-09-10T15:09:41.652355-07:00",
  "recording_end": "2026-09-10T15:25:41.652355-07:00",
  "seconds": 960.0,
  "source_binary_sha256": "a9902d35b72d13556c831daa1c30c71eb6b7429cf76408e35042952483a5f873",
  "outcome": "Sporadic USB/restart/callback/analog interruptions reproduced with frame MIDI/SysEx on the worker. No dense periodic blanking detected in this exposure.",
  "long_interruptions": {
    "waveform": 23,
    "USB_transaction_failures": 23,
    "driver_restarts": 23,
    "native_callback_gaps": 23,
    "matched_episodes": 23,
    "duration_ms_min_median_max": [
      222.5625,
      226.08333333333334,
      230.70833333333334
    ]
  },
  "periodic": [],
  "all_short_candidates": 16,
  "midi": {
    "base": "/private/tmp/smartgrid-ipad-midi-sysex-worker-20260910",
    "samples": 955,
    "malformed_samples": [],
    "all_enabled_running": true,
    "all_sysex_depth_bounded": true,
    "all_fault_discard_counts_zero": true,
    "monotonic_counters": {
      "discarded": true,
      "sysex_enqueued": true,
      "sysex_submitted": true,
      "sysex_full": true,
      "sysex_discarded": true,
      "sysex_invalid": true
    },
    "first": {
      "enabled": 1,
      "running": 1,
      "queued": 2,
      "discarded": 0,
      "sysex_queued": 0,
      "sysex_enqueued": 2333,
      "sysex_submitted": 2333,
      "sysex_full": 0,
      "sysex_discarded": 0,
      "sysex_invalid": 0,
      "local_time": "15:09:41"
    },
    "last": {
      "enabled": 1,
      "running": 1,
      "queued": 3,
      "discarded": 0,
      "sysex_queued": 0,
      "sysex_enqueued": 42252,
      "sysex_submitted": 42252,
      "sysex_full": 0,
      "sysex_discarded": 0,
      "sysex_invalid": 0,
      "local_time": "15:25:41"
    },
    "ranges": {
      "enabled": [
        1,
        1
      ],
      "running": [
        1,
        1
      ],
      "queued": [
        0,
        5
      ],
      "discarded": [
        0,
        0
      ],
      "sysex_queued": [
        0,
        2
      ],
      "sysex_enqueued": [
        2333,
        42252
      ],
      "sysex_submitted": [
        2333,
        42252
      ],
      "sysex_full": [
        0,
        0
      ],
      "sysex_discarded": [
        0,
        0
      ],
      "sysex_invalid": [
        0,
        0
      ]
    },
    "totals_between_samples": {
      "sysex_enqueued": 39919,
      "sysex_submitted": 39919
    },
    "time_selection": "App wall-clock seconds within nominal recording interval; edge observations may differ by less than one second. Counters/depth are independently sampled. Submissions are handler calls, not hardware acknowledgments; depth is approximate."
  },
  "callbacks": {
    "callbacks": 89540,
    "sample_rates": [
      48000.0
    ],
    "frame_sizes": [
      512.0
    ],
    "thermal_states": [
      0.0,
      2.0
    ],
    "low_power_states": [
      0.0
    ],
    "muted_states": [
      0.0
    ],
    "sequence_holes": 0,
    "logger_miss_lines_entire_log": [],
    "dsp_ms_p50_p99_max": [
      4.712,
      5.12,
      7.273
    ],
    "measured_dsp_overruns": 0,
    "xrun_start_end": [
      0,
      23
    ],
    "clock_fit_max_residual_ms": 14.352083206176758
  },
  "thermal_segments": [
    {
      "thermal": 0,
      "start_local": "2026-09-10T15:09:41.661284-07:00",
      "end_local": "2026-09-10T15:21:47.326107-07:00",
      "start_seconds": 0.00892949104309082,
      "end_seconds": 725.6737520694733,
      "callbacks": 67572,
      "callback_gaps_gt100ms": 23,
      "dsp_ms_p50_p99_max": [
        4.7145,
        5.126,
        7.273
      ]
    },
    {
      "thermal": 2,
      "start_local": "2026-09-10T15:21:47.326107-07:00",
      "end_local": "2026-09-10T15:25:41.652355-07:00",
      "start_seconds": 725.6737520694733,
      "end_seconds": 960.0,
      "callbacks": 21968,
      "callback_gaps_gt100ms": 0,
      "dsp_ms_p50_p99_max": [
        4.324,
        5.0783299999999985,
        5.163
      ]
    }
  ],
  "thermal_system_transition": {
    "timestamp": "2026-09-10T15:21:47.026262-07:00",
    "process": "thermalmonitord",
    "pressure_level": 20,
    "audiomxd_message_time": "2026-09-10T15:21:47.027193-07:00",
    "audiomxd_message": "Thermal pressure level handler called with level Moderate, disengaging Thermal mxCoreSession",
    "interpretation": "OS policy transition corroborates the iPad thermal change; internal pressure labels and NSProcessInfo enum are different scales. All23 long failures precede this transition; no causal thermal remedy established."
  },
  "zero_length_reports": 1,
  "zero_length_transfers_reported": 2,
  "io_drift_records": 5,
  "config_and_patch_unchanged": true,
  "recording_stderr_bytes": 0,
  "limits": [
    "No dense periodic episode in one960second exposure does not establish a periodic fix or rule out subtle clicks.",
    "Whole-run thermal state was not matched to preceding all-nominal MIDI-off trial; state became serious for final234seconds.",
    "MIDI enqueued/submitted counters are independently sampled once per second; their39919delta spans sampled edge seconds. Submission counts are handler calls, not hardware acknowledgments.",
    "Observed SysEx depth0\u20132 is approximate sampled occupancy, not a high-water mark. No explicit full/invalid/discard events occurred.",
    "Timed DSP excludes subsequent logger and outer JUCE/native work; xr is sample-timestamp discontinuity.",
    "Clock-fit residual is14.352ms, and callback-resume minus analog-quiet-end spans96.068\u2013135.070ms; these offsets reflect clock/capture alignment and are not causal transport latency.",
    "Window nominal epoch/ISO fields were clarified after measurement review; original wrapper timestamps retained and correlation boundaries unchanged.",
    "The immediately preceding comparison also had its MIDI worker disabled; this is not a pure routing-only crossover against that binary."
  ],
  "next": "No further experimental dimension activated. Recommended next probe: complete native RemoteIO callback timing and outgoing-buffer integrity, with repeated matched exposures/thermal state logged. Retain48k/512 and the reviewed MIDI worker improvement."
}