Python使用psutil监控服务器网络IO信息

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import psutil
import time

# 获取系统所有网络接口的输入输出统计信息
previous_time = time.perf_counter()
previous_io_counters = psutil.net_io_counters(pernic=True)

while True:
    # 休眠一秒钟
    time.sleep(1)

    # 获取系统所有网络接口的输入输出统计信息
    current_time = time.perf_counter()
    current_io_counters = psutil.net_io_counters(pernic=True)
	
    time_interval = current_time - previous_time
    # 计算上传和下载的字节数之差
    download_bytes = current_io_counters['eth0'].bytes_recv - previous_io_counters['eth0'].bytes_recv
    upload_bytes = current_io_counters['eth0'].bytes_sent - previous_io_counters['eth0'].bytes_sent

    # 计算平均每秒上传和下载的字节数
    duration = 1
    download_speed = download_bytes / duration / 1024 / 1024 / time_interval
    upload_speed = upload_bytes / duration / 1024 / 1024 / time_interval
	#获取 CPU 信息 	
	# 获取 CPU 使用率
    cpu_usage = psutil.cpu_percent(interval=1)
	# 获取内存总量和可用内存
    mem = psutil.virtual_memory()
	# total_mem = mem.total / (1024 * 1024)
    # 计算内存使用百分比
    memory_percent = mem.available * 100 / mem.total
    # 输出上传和下载速度
    print(f"Download Speed: {download_speed:.2f} MB/s, Upload Speed: {upload_speed:.2f} MB/s")

    # 保存当前的输入输出统计信息
    previous_time = current_time
    previous_io_counters = current_io_counters