sys_info.py 文件源码

def cpu_usage():
    # load average, uptime
    uptime = datetime.now() - datetime.fromtimestamp(psutil.boot_time())
    av1, av2, av3 = os.getloadavg()
    return "Ld:%.1f %.1f %.1f Up: %s" \
            % (av1, av2, av3, str(uptime).split('.')[0])