{
  "source_run": "20260929T154735403Z-59f9d588-embedding-runtime-ab",
  "source_sha256": "2dfcbef467d363fcab2857b32fa6205cb282d387119c97b00f18fd7332f26c53",
  "method": "100 * (1 - delta idle-and-iowait / delta aggregate CPU ticks), first-to-last telemetry sample within each named phase. Whole-host /proc/stat; idle includes iowait. Different duration windows; no per-process attribution or OpenVINO-on/off comparison.",
  "observations": [
    {
      "phase": "pretest_idle",
      "label": "Before test workload (idle)",
      "samples": 138,
      "start_utc": "2026-09-29T15:47:40.583851+00:00",
      "end_utc": "2026-09-29T15:52:37.767467+00:00",
      "sampled_seconds": 297.183616,
      "cpu_total_ticks_delta": 474075,
      "cpu_idle_including_iowait_ticks_delta": 468191,
      "whole_host_cpu_percent": 1.2411538258714327
    },
    {
      "phase": "A_workload",
      "label": "Ollama embedding workload",
      "samples": 64,
      "start_utc": "2026-09-29T15:54:39.179717+00:00",
      "end_utc": "2026-09-29T15:56:54.652165+00:00",
      "sampled_seconds": 135.472448,
      "cpu_total_ticks_delta": 216607,
      "cpu_idle_including_iowait_ticks_delta": 22173,
      "whole_host_cpu_percent": 89.76348871458448
    },
    {
      "phase": "B_workload",
      "label": "OVMS / NPU embedding workload",
      "samples": 64,
      "start_utc": "2026-09-29T16:05:30.602023+00:00",
      "end_utc": "2026-09-29T16:07:42.869531+00:00",
      "sampled_seconds": 132.267508,
      "cpu_total_ticks_delta": 210857,
      "cpu_idle_including_iowait_ticks_delta": 203090,
      "whole_host_cpu_percent": 3.6835390809885404
    }
  ]
}
