import subprocess
import psutil
import time

def get_gpu_stats():
    command = [
        "nvidia-smi",
        "--query-gpu=index,name,memory.used,memory.free,power.draw,temperature.gpu",
        "--format=csv,noheader,nounits"
    ]
    result = subprocess.run(command, stdout=subprocess.PIPE, text=True)
    stats = result.stdout.strip().split(", ")
    return {
        "index": int(stats[0]),
        "name": str(stats[1]),
        "memory_used": int(stats[2]),  # in MB
        "memory_free": int(stats[3]),  # in MB
        "power_draw": float(stats[4]),  # in watts
        "temperature": float(stats[5])  # in Celsius
    }

def get_cpu_memory_stats():
    cpu_usage = psutil.cpu_percent(interval=1)
    memory_info = psutil.virtual_memory()
    return {
        "cpu_usage": cpu_usage,
        "memory_used": memory_info.used // (1024 ** 2),  # in MB
        "memory_total": memory_info.total // (1024 ** 2)  # in MB
    }

def main():
    import json
    while True:
        gpu_stats = get_gpu_stats()
        cpu_stats = get_cpu_memory_stats()
        print(json.dumps([gpu_stats, cpu_stats]))
        time.sleep(1)  # Update every second

if __name__ == "__main__":
    main()