python监控模块

pip install psutil

获取内存信息：

>>> import psutil
>>> mem = psutil.virtual_memory()　　#获取内存完整信息
>>> mem.total　　#获取内存总数
8010080256
>>> mem.used　　#获取内存空闲数
4246765568

　　

获取CPU信息：

>>> psutil.cpu_times()　　　　#显示CPU信息
scputimes(user=253743.4577502, system=85613.45800069999, idle=1441121.8095010999
, interrupt=23814.738257599998, dpc=2544.7039121000003)
>>> psutil.cpu_times(percpu=True)　　#显示所有CPU信息
[
scputimes(user=91456.9746589, system=21885.34908980003, idle=331843.96999129996,interrupt=1167.7454855, dpc=412.5758447), 
scputimes(user=51238.871652199996,system=35647.80411009997, idle=358299.0563741, interrupt=21236.5253307, dpc=1596.6858350999998),
scputimes(user=100969.21363439999, system=23486.262552, idle=320730.13114919997, interrupt=493.66516449999995, dpc=104.1774678), 
scputimes(user=10093.6079022, system=4604.509915900009, idle=430487.3647167, interrupt=922.4807132999999, dpc=431.5611664)
]
>>> psutil.cpu_times().user　　#获取单项数据信息
253767.450704
>>> psutil.cpu_count()　　#获取CPU个数
4
>>> psutil.cpu_count(logical=False)　　#获取物理CPU个数（实际上是线程数除以2）。
2
>>> psutil.swap_memory()　　#获取SWAP分区信息
sswap(total=16018214912, used=10366255104, free=5651959808, percent=64.7, sin=0,
sout=0)

　　

　　

磁盘信息：

psutil.disk_usage　　磁盘利用率

　　磁盘IO信息包括：

　　　　read_count（读IO数）write_count（写IO数）

　　　　read_bytes（IO读字节数）write_bytes（IO写字节数）

　　　　read_time（磁盘读时间）write_time（磁盘写时间）

psutil.disk_partitions　　获取磁盘完整信息

psutil.disk_usage　　获取分区的使用情况

psutil.disk_io_counters('/')　　获取磁盘IO信息

psutil.disk_io_counters(perdisk=True)　　按分区获取IO信息

>>> psutil.disk_partitions()
[sdiskpart(device='C:\', mountpoint='C:\', fstype='NTFS', opts='rw,fixed'), sd
iskpart(device='D:\', mountpoint='D:\', fstype='NTFS', opts='rw,fixed'), sdisk
part(device='E:\', mountpoint='E:\', fstype='NTFS', opts='rw,fixed'), sdiskpar
t(device='F:\', mountpoint='F:\', fstype='CDFS', opts='ro,cdrom')]

>>> psutil.disk_usage('c:\')
sdiskusage(total=107375226880, used=80557694976, free=26817531904, percent=75.0)

>>> psutil.disk_usage('d:\')
sdiskusage(total=429497774080, used=58469056512, free=371028717568, percent=13.6
)

>>> psutil.disk_io_counters()
sdiskio(read_count=10022230, write_count=5844260, read_bytes=389997929984, write
_bytes=241317355520, read_time=1362723, write_time=1205422)

>>> psutil.disk_io_counters(perdisk=True)
{'PhysicalDrive0': sdiskio(read_count=10022230, write_count=5844325, read_bytes=
389997929984, write_bytes=241317739008, read_time=1362723, write_time=1205422)}
>>>

　　

网络信息

psutil.net_io_counters()

bytes_sent　　发送字节数

bytes_recv　　接收字节数

packets_sent　　发送数据包数

packets_recv　　接收数据包数

>>> psutil.net_io_counters()
snetio(bytes_sent=87020660, bytes_recv=748546277, packets_sent=609921, packets_r
ecv=486979, errin=0, errout=5429, dropin=0, dropout=0)
>>>
>>> psutil.net_io_counters(pernic=True)
{
'Npcap Loopback Adapter': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'Bluetooth 网络连接': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'本地连接': snetio(bytes_sent=87012318, bytes_recv=748543604, packets_sent=604977, packets_recv=486965, errin=0, errout=0, dropin=0, dropout=0), 
'VMware Network Adapter VMnet8': snetio(bytes_sent=4901, bytes_recv=0, packets_sent=4901, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'Loopback Pseudo-Interface 1': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'isatap.{49CF5090-D237-4A65-8E97-5BF88A0C7F1F}': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'6TO4 Adapter': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=5428, dropin=0, dropout=0), 

'isatap.{095E0AA1-265B-449D-8284-C2C534AF37BC}': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'isatap.{449A948D-21F4-43F9-BE38-6D3568A5DD76}': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'isatap.{2B95C896-6750-4C13-A6D1-FFC407250CBF}': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 
'Teredo Tunneling Pseudo-Interface': snetio(bytes_sent=5092, bytes_recv=4104, packets_sent=62, packets_recv=27, errin=0, errout=1, dropin=0, dropout=0)
}

　　

　　

其他信息：

>>> psutil.users()　　　　#获取当前登录系统的用户信息
[suser(name='Administrator', terminal=None, host='0.0.0.0', started=1563846388.0
, pid=None)]
>>> psutil.boot_time()　　#获取开机时间
1563846338.0
>>> import datetime
>>> datetime.datetime.fromtimestamp(psutil.boot_time()).strftime("%Y-%m-%d %H:%M
:%S")
'2019-07-23 09:45:38'