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              "pid": 214,
              "fps": 7.572,
              "processing_p95_ms": 164.676,
              "analyze_p95_ms": 6.023,
              "triton_p95_ms": 74.597,
              "visualize_p95_ms": 7.911,
              "inference_timeouts": 0,
              "triton_result_errors": 0
            }
          ]
        },
        "post_stop_5m": {
          "captured_at": "2026-07-14T09:02:35+09:00",
          "trigger": "post_stop_5m",
          "active_channels": [
            "20",
            "21"
          ],
          "cgroup_mb": 7320.906,
          "anon_mb": 6719.602,
          "file_mb": 516.898,
          "oom_events": {
            "high": 0,
            "low": 0,
            "max": 0,
            "oom": 0,
            "oom_group_kill": 0,
            "oom_kill": 0
          },
          "celery_pss_mb": 6543.873,
          "celery_rss_mb": 11968.848,
          "celery_fd": 1741,
          "celery_threads": 302,
          "ffmpeg_pss_mb": 388.556,
          "ffmpeg_rss_mb": 433.098,
          "target_child": {
            "pid": 216,
            "pss_mb": 1822.973,
            "rss_mb": 2152.859,
            "hwm_mb": 2715.766,
            "fd_count": 96,
            "threads": 65
          },
          "channels": [
            {
              "cctv_id": "20",
              "state": "running",
              "pid": 244,
              "fps": 9.98,
              "processing_p95_ms": 84.726,
              "analyze_p95_ms": 3.28,
              "triton_p95_ms": 71.635,
              "visualize_p95_ms": 6.708,
              "inference_timeouts": 0,
              "triton_result_errors": 0
            },
            {
              "cctv_id": "21",
              "state": "running",
              "pid": 214,
              "fps": 8.583,
              "processing_p95_ms": 138.234,
              "analyze_p95_ms": 4.961,
              "triton_p95_ms": 73.982,
              "visualize_p95_ms": 7.928,
              "inference_timeouts": 0,
              "triton_result_errors": 0
            }
          ]
        }
      }
    }
  ],
  "comparisons": {
    "round1_to_round2_stop_5m": {
      "cgroup_delta_mb": 252.617,
      "anon_delta_mb": 232.836,
      "file_delta_mb": 18.457,
      "celery_pss_delta_mb": 235.072,
      "target_child_pss_delta_mb": 226.964,
      "target_child_rss_delta_mb": 226.922,
      "target_child_fd_delta": 0,
      "target_child_thread_delta": 0
    },
    "round2_stop_5m_to_round3_pre_start_background": {
      "cgroup_delta_mb": 1029.661,
      "anon_delta_mb": 779.07,
      "file_delta_mb": 240.894,
      "celery_pss_delta_mb": 760.69,
      "target_child_pss_delta_mb": -0.01,
      "ch20_child_pss_delta_mb": 217.4,
      "ch21_child_pss_delta_mb": 543.306
    },
    "round2_to_round3_stop_5m_absolute": {
      "cgroup_delta_mb": 856.594,
      "anon_delta_mb": 586.731,
      "file_delta_mb": 259.253,
      "celery_pss_delta_mb": 584.212,
      "target_child_pss_delta_mb": -184.573,
      "target_child_rss_delta_mb": -184.567,
      "target_child_fd_delta": 0,
      "target_child_thread_delta": 0
    },
    "round3_pre_start_to_stop_5m_local": {
      "cgroup_delta_mb": -173.067,
      "anon_delta_mb": -192.339,
      "file_delta_mb": 18.359,
      "celery_pss_delta_mb": -176.478,
      "ffmpeg_pss_delta_mb": -15.754,
      "target_child_pss_delta_mb": -184.563,
      "target_child_rss_delta_mb": -184.567,
      "target_child_fd_delta": 0,
      "target_child_thread_delta": 0
    }
  },
  "classification": {
    "ch42_repeated_staircase_leak": "not_observed",
    "primary_classification": "warmup_allocator_retention_plateau_with_partial_recovery",
    "cleanup_or_recycle_for_ch42": "not_justified_by_current_evidence",
    "file_cache_dominant_for_ch42": false,
    "handle_leak": false,
    "performance_regression": "no_monotonic_degradation",
    "global_background_memory": "separate_follow_up_required",
    "reason": "The target child increased from round 1 to 2, stayed flat overnight before round 3, and decreased after round 3. Total cgroup growth before round 3 was already present in ch20/ch21 and file cache, so it is not attributed to the ch42 run."
  },
  "guardrails": {
    "actual_leak_not_global_disproof": true,
    "m3_m14_separate": true,
    "shared_memory_or_triton_queue_not_assigned_as_memory_cause": true,
    "public_contract_changed": false
  }
}