python 记录linux网速到文件。

import time
from app.utils_ydf import LogManager

logger = LogManager('network_monitor').get_logger_and_add_handlers(log_filename='network_monitor.log')
logger_templete7 = LogManager('network_monitor2').get_logger_and_add_handlers(log_filename='network_monitor.log', formatter_template=7, do_not_use_color_handler=True)

speed_down = []
speed_up = []
speed_name = []

speed_up_1 = []
speed_down_1 = []

while True:
    i = open('/proc/net/dev', 'r').readlines()
    for p in i:
        p = p.split()
        if p[1].isdigit() and p[1] != '0':
            index = 0
            for i in range(len(speed_name)):
                if p[0] == speed_name[i]:
                    index = i
                    break
            if p[0] in speed_name:
                pass
            else:
                speed_name.append(p[0])
                speed_down_1.append(p[1])
                speed_up_1.append(p[9])
                speed_down.append(0)
                speed_up.append(0)
                break
            speed_down[index] = float(int(p[1]) - int(speed_down_1[index])) / 1000
            speed_up[index] = float(int(p[9]) - int(speed_up_1[index])) / 1000
            speed_down_1[index] = p[1]
            speed_up_1[index] = p[9]
    for i in range(len(speed_name)):
        # if speed_name[i] == 'eno1:':
        if 'eno1:' in speed_name[i]:  # 只打印此网卡
            logger_templete7.debug(f"网卡：{speed_name[i]}")
            msg1 = f"上行： {speed_up[i]}"
            msg2 = f'下行： {speed_down[i]}'
            if speed_up[i] < 100:
                logger.debug(msg1)
            elif 100 <= speed_up[i] < 200:
                logger.info(msg1)
            elif 200 <= speed_up[i] < 300:
                logger.warning(msg1)
            elif 300 <= speed_up[i] < 400:
                logger.error(msg1)
            elif 400 <= speed_up[i]:
                logger.critical(msg1)

            if speed_down[i] < 100:
                logger.debug(msg2)
            elif 100 <= speed_down[i] < 200:
                logger.info(msg2)
            elif 200 <= speed_down[i] < 300:
                logger.warning(msg2)
            elif 300 <= speed_down[i] < 400:
                logger.error(msg2)
            elif 400 <= speed_down[i]:
                logger.critical(msg2)

    time.sleep(1)


网上找的，亲测可用。