Python 系统资源信息获取CPU 和内存使用情况

In [6]: psutil.swap_memory()
Out[6]: sswap(total=23501340672, used=20144758784, free=3356581888, percent=85.7, sin=0, sout=0)

In [7]: psutil.cpu_percent(interval=None, percpu=False)
Out[7]: 32.8