51工具盒子1）CPU信息
{#1373-1542183461083}[root@localhost ~]# python
{#3686-1542183470122}Python 2.7.5 (default, Jul 13 2018, 13:06:57)
{#3624-1542183470122}[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux2
{#4390-1542183470122}Type "help", "copyright", "credits" or "license" for more information.
{#1060-1542183470122}>>> import psutil
{#9279-1542183796352}#使用cpu_times方法获取CPU完整信息
{#7028-1542183470122}>>> psutil.cpu_times()
{#9596-1542183470122}scputimes(user=14571.83, nice=10.13, system=10459.3, idle=9390763.99, iowait=716.03, irq=0.0, softirq=3.8, steal=0.0, guest=0.0, guest_nice=0.0)
{#1498-1542183470122}#获取单项数据信息，如用户user的时间比
{#4681-1542183539382}>>> psutil.cpu_times().user
{#7089-1542183470122}14571.87
{#6070-1542183567467}#获取CPU的逻辑个数，默认logical=True4
{#8945-1542183470122}>>> psutil.cpu_count()
{#9256-1542183470122}1
{#9054-1542183611946}#获取CPU的物理个数
{#5963-1542183470122}>>> psutil.cpu_count(logical=False)
{#3392-1542183470122}1
{#7691-1542183459423}2）内存信息
{#9390-1542183636890}>>> import psutil
{#3978-1542183786730}#使用psutil.virtual_memory方法获取内存完整信息
{#3966-1542183720054}>>> mem = psutil.virtual_memory()
{#5780-1542183720054}>>> mem
{#8281-1542183720054}svmem(total=1928695808L, available=1699635200L, percent=11.9, used=1617731584L, free=310964224L, active=733216768, inactive=700944384, buffers=194965504L, cached=1193705472)
{#3015-1542183809019}#获取内存总数
{#6633-1542183720054}>>> mem.total
{#4968-1542183720054}1928695808L
{#9096-1542183812812}#获取空闲内存数
{#1723-1542183720054}>>> mem.free
{#6412-1542183720054}310964224L
{#8074-1542183814298}#获取swap分区信息
{#7130-1542183720054}>>> psutil.swap_memory()
{#7739-1542183720054}sswap(total=0L, used=0L, free=0L, percent=0.0, sin=0, sout=0)
{#8333-1542183745622}3）磁盘信息
{#5182-1542183965402}#使用psutil.disk_partitions方法获取磁盘完整信息
{#6682-1542183861946}>>> psutil.disk_partitions()
{#8873-1542183950769}[sdiskpart(device='/dev/vda1', mountpoint='/', fstype='ext4', opts='rw,relatime,data=ordered')]
{#5857-1542183999786}#使用psutil.disk_usage方法获取分区（参数）的使用情况
{#5785-1542183950769}>>> psutil.disk_usage('/')
{#6181-1542183950769}sdiskusage(total=42139451392, used=3013500928, free=36961796096, percent=7.2)
{#9573-1542184001529}#使用psutil.disk_io_counters方法获取磁盘总的IO个数、读写信息
{#9290-1542183950769}>>> psutil.disk_io_counters()
{#3194-1542183950769}sdiskio(read_count=26141, write_count=1716089, read_bytes=474932224, write_bytes=13267562496, read_time=109538, write_time=15169214)
{#8160-1542184005006}#"perdisk=True"参数获取单个分区IO个数、读写信息
{#3017-1542183950769}>>> psutil.disk_io_counters(perdisk=True)
{#7651-1542183950769}{'vda1': sdiskio(read_count=26141, write_count=1716089, read_bytes=474932224, write_bytes=13267562496, read_time=109538, write_time=15169214)}
{#3384-1542183961530}4）网络信息
{#4691-1542184215852}#使用psutil.net_io_counters获取网络总的IO信息，默认pernic=False
{#1680-1542184146460}>>> psutil.net_io_counters()
{#5991-1542184205454}snetio(bytes_sent=287203066, bytes_recv=887595622, packets_sent=2422790, packets_recv=2704748, errin=0, errout=0, dropin=0, dropout=0)
{#8128-1542184251881}#pernic=True输出每个网络接口的IO信息
{#8711-1542184205454}>>> psutil.net_io_counters(pernic=True)
{#3234-1542184205454}{'lo': snetio(bytes_sent=502615, bytes_recv=502615, packets_sent=2200, packets_recv=2200, errin=0, errout=0, dropin=0, dropout=0), 'eth0': snetio(bytes_sent=286703163, bytes_recv=887096509, packets_sent=2420612, packets_recv=2702590, errin=0, errout=0, dropin=0, dropout=0)}
{#6256-1542184205454}>>>
{#5653-1542184212724}5）其他系统信息
{#1411-1542184413538}#使用psutil.users方法返回当前登录系统的用户信息
{#3856-1542184290410}>>> psutil.users()
{#3125-1542184411840}[suser(name='root', terminal='tty1', host='', started=1536040960.0), suser(name='root', terminal='pts/1', host='14.155.220.101', started=1542177536.0), suser(name='root', terminal='pts/2', host='14.155.220.101', started=1542181760.0)]
{#2560-1542184416443}#转换成自然时间格式
{#4989-1542184411840}>>> import psutil, datetime
{#3995-1542184411840}>>> datetime.datetime.fromtimestamp(psutil.boot_time()).strftime("%Y-%m-%d %H:%M:%S")
{#3313-1542184411840}'2018-07-28 12:50:26'
{#9999-1542184523534}#使用psutil.boot_time方法获取开机时间，以Linux时间戳格式返回
{#3414-1542184411840}>>> psutil.boot_time()
{#4736-1542184520557}1532753426.0
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