config.json

{
    "log_level": "info",
    "pcie": {
        "device": "/dev/xdma0_c2h_0",
        "gen2_mode": true
    },
    "disruptor": {
        "enable": true,
        "shm_name": "gateway"
    },
    "performance": {
        "enable_rt": true,
        "rt_pcie_cpu": 14,
        "rt_pcie_priority": 90,
        "quiet_mode": false,
        "pcie_poll_mode": "busy_spin"
    },
    "_rt_allocation_notes": "CPU 14 dedicated to PCIe DMA (highest priority)",
    "_poll_mode_notes": {
        "sleep": "~10ms latency, ~1% CPU (legacy behavior)",
        "poll": "~100us latency, ~5% CPU (event-driven)",
        "hybrid": "~50us latency, ~20% CPU (adaptive spin+poll)",
        "busy_spin": "<10us latency, 100% CPU (lowest latency)"
    }
}