psutil获取系统信息
CPU
- cpu_times CPU运行时间
psutil.cpu_times() scputimes(user=125.65, nice=20.8, system=243.42, idle=5515413.34, iowait=15.87, irq=0.0, softirq=45.79, steal=0.0, guest=0.0, guest_nice=0.0)获取每个逻辑CPU的信息
psutil.cpu_times(percpu=True) scputimes(user=18.38, nice=1.51, system=95.18, idle=689387.87, iowait=1.96, irq=0.0, softirq=8.87, steal=0.0, guest=0.0, guest_nice=0.0), scputimes(user=9.84, nice=3.23, system=7.0, idle=689816.01, iowait=1.94, irq=0.0, softirq=1.85, steal=0.0, guest=0.0, guest_nice=0.0), scputimes(user=8.84, nice=1.94, system=6.57, idle=689669.6, iowait=1.7, irq=0.0, softirq=3.93, steal=0.0, guest=0.0, guest_nice=0.0), scputimes(user=4.52, nice=0.0, system=19.14, idle=689599.71, iowait=2.48, irq=0.0, softirq=4.34, steal=0.0, guest=0.0, guest_nice=0.0), scputimes(user=59.46, nice=2.18, system=60.39, idle=689222.57, iowait=2.21, irq=0.0, softirq=4.96, steal=0.0, guest=0.0, guest_nice=0.0), scputimes(user=7.16, nice=3.16, system=7.64, idle=689752.36, iowait=1.38, irq=0.0, softirq=1.74, steal=0.0, guest=0.0, guest_nice=0.0), scputimes(user=7.9, nice=5.46, system=37.03, idle=689078.94, iowait=2.8, irq=0.0, softirq=8.95, steal=0.0, guest=0.0, guest_nice=0.0), scputimes(user=9.52, nice=3.29, system=10.46, idle=689145.78, iowait=1.37, irq=0.0, softirq=11.13, steal=0.0, guest=0.0, guest_nice=0.0)
CPU运行状态 | 解释 |
|---|---|
user | 进程执行用户代码耗费的时间 |
nice | 在用县级高的用户级别执行时CPU占用率的百分比 |
system | 内核执行系统调度所使用的时间 |
idle | CPU空闲且没有未完成磁盘io请求的时间的百分比 |
iowait | CPU等待io输入输出时间 |
irq | CPU用户维护硬件中断所花费的时间百分比 |
softirq | CPU用于维护软件中断所花费的时间百分比 |
steal | 虚拟化环境中运行其他操作系统所花费的时间百分比 |
guest | CPU用于运行虚拟处理器的时间百分比 |
dpc | 服务延迟过程调用所花费的时间 |
interrupt | 服务硬件中断花费的时间 |
- cpu_percent CPU利用率
psutil.cpu_percent()10.1
psutil.cpu_percent(interval=1)8.7
psutil.cpu_percent(interval=1,percpu=True) 16.0, 13.1, 3.1, 6.9, 19.2, 4.1, 11.1, 10.1, 4.1, 4.1, 22.0, 17.2, 5.1, 39.0, 5.1, 6.0, 4.0, 3.1, 4.0, 5.0, 5.1, 15.0, 7.1, 20.2- cpu_times_percent 特定CPU状态的利用率
psutil.cpu_times_percent(interval=1 ) scputimes(user=10.6, nice=0.0, system=2.0, idle=87.4, iowait=0.0, irq=0.0, softirq=0.0, steal=0.0, guest=0.0, guest_nice=0.0)- cpu_count cpu的数量
psutil.cpu_count() # 逻辑cpu个数24
psutil.cpu_count(logical=False) # 物理cpu个数12
len(psutil.Process().cpu_affinity()) # 当前可用cpu个数24
- cpu_stats cpu统计信息
psutil.cpu_stats() scpustats(ctx_switches=134328863006, interrupts=64447553228, soft_interrupts=37972326039, syscalls=0)CPU信息 | 解释 |
|---|---|
ctx_switchese | 启动后的上下文切换次数 |
interrupts | 自引导以来的中断数 |
soft_interrupts | 自引导以来的软件中断次数 |
syscalls | 自引导以来的系统调用次数 |
- cpu_freq CPU频率
min/max如果无法确认贼设置为0
psutil.cpu_freq() scpufreq(current=2776.311875000001, min=2200.0, max=3800.0)内存
- virtual_memory物理内存
psutil.virtual_memory() svmem(total=135165038592, available=117457821696, percent=13.1, used=16417964032, free=56929009664, active=59796267008, inactive=6194962432, buffers=1170616320, cached=60647448576, shared=37347328, slab=8931905536)内存信息 | 解释 |
|---|---|
total | 总物理内存 |
available | 在没有系统进入swap下立即提供的内存 |
percent | 使用内存占比 |
used | 使用的物理内存 |
free | 没有使用的物理内存 |
active | 当前使用或最近使用的物理内存 |
inactive | 标记未使用的内存 |
buffers | buffers使用的缓存 |
cached | cached使用的缓存 |
shared | 显示被共享使用的物理内存 |
slab | 内核数据结构缓存 |
- swap_memory() 交换内存使用情况
psutil.swap_memory() sswap(total=4294963200, used=0, free=4294963200, percent=0.0, sin=0, sout=0)磁盘
- disk_partitions 获取所有磁盘信息
psutil.disk_partitions() sdiskpart(device='/dev/sda2', mountpoint='/', fstype='ext4', opts='rw,relatime,data=ordered'), sdiskpart(device='/dev/sda1', mountpoint='/boot/efi', fstype='vfat', opts='rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro'), sdiskpart(device='/dev/loop2', mountpoint='/snap/core/11743', fstype='squashfs', opts='ro,nodev,relatime'), sdiskpart(device='/dev/loop1', mountpoint='/snap/core/11798', fstype='squashfs', opts='ro,nodev,relatime')- disk_usage 获取单个磁盘信息
psutil.disk_usage('/dev/sda') sdiskusage(total=67510288384, used=0, free=67510288384, percent=0.0)
disk_io_counters 获取io信息- disk_io_counters 获取io信息
psutil.disk_io_counters() sdiskio(read_count=30304, # 读取次数 write_count=46146, # 写入次数 read_bytes=762495488, # 读取字节数 write_bytes=1490812928, # 写入字节数 read_time=21036, # 读取时间 write_time=56484, # 写入时间 read_merged_count=5388, # 合并读取的次数 write_merged_count=35669, # 合并写入的次数 busy_time=17936 # 实际做io操作的时间 )网络
- net_connections 获取网络套接字
psutil.net_connections() sconn(fd=4, family=<AddressFamily.AF_INET6: 10>, type=<SocketKind.SOCK_STREAM: 1>, laddr=addr(ip='::', port=22), raddr=(), status='LISTEN', pid=1240), sconn(fd=12, family=<AddressFamily.AF_INET: 2>, type=<SocketKind.SOCK_DGRAM: 2>, laddr=addr(ip='127.0.0.53', port=53), raddr=(), status='NONE', pid=959), sconn(fd=3, family=<AddressFamily.AF_INET: 2>, type=<SocketKind.SOCK_STREAM: 1>, laddr=addr(ip='0.0.0.0', port=22), raddr=(), status='LISTEN', pid=1240), sconn(fd=6, family=<AddressFamily.AF_INET6: 10>, type=<SocketKind.SOCK_STREAM: 1>, laddr=addr(ip='::', port=6379), raddr=(), status='LISTEN', pid=1264), sconn(fd=7, family=<AddressFamily.AF_INET: 2>, type=<SocketKind.SOCK_STREAM: 1>, laddr=addr(ip='0.0.0.0', port=6379), raddr=(), status='LISTEN', pid=1264), sconn(fd=3, family=<AddressFamily.AF_INET: 2>, type=<SocketKind.SOCK_STREAM: 1>, laddr=addr(ip='10.122.1.77', port=22), raddr=addr(ip='10.122.2.5', port=26119), status='ESTABLISHED', pid=27261), sconn(fd=13, family=<AddressFamily.AF_INET: 2>, type=<SocketKind.SOCK_STREAM: 1>, laddr=addr(ip='127.0.0.53', port=53), raddr=(), status='LISTEN', pid=959), sconn(fd=36, family=<AddressFamily.AF_INET: 2>, type=<SocketKind.SOCK_STREAM: 1>, laddr=addr(ip='0.0.0.0', port=3306), raddr=(), status='LISTEN', pid=1472)- net_if_addrs 获取网卡的信息
psutil.net_if_addrs() {'lo': snicaddr(family=<AddressFamily.AF_INET: 2>, address='127.0.0.1', netmask='255.0.0.0', broadcast=None, ptp=None), snicaddr(family=<AddressFamily.AF_INET6: 10>, address='::1', netmask='ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff', broadcast=None, ptp=None), snicaddr(family=<AddressFamily.AF_PACKET: 17>, address='00:00:00:00:00:00', netmask=None, broadcast=None, ptp=None), 'enp4s0': snicaddr(family=<AddressFamily.AF_INET: 2>, address='xxxxxx', netmask='xxxxx', broadcast='10.120.0.255', ptp=None), snicaddr(family=<AddressFamily.AF_INET6: 10>, address='fe80::aa5e:45ff:fee1:865c%enp4s0', netmask='ffff:ffff:ffff:ffff::', broadcast=None, ptp=None), snicaddr(family=<AddressFamily.AF_PACKET: 17>, address='a8:5e:45:e1:86:5c', netmask=None, broadcast='ff:ff:ff:ff:ff:ff', ptp=None)- net_if_stats 获取网络接口的状态
psutil.net_if_stats() {'lo': snicstats(isup=True, duplex=<NicDuplex.NIC_DUPLEX_UNKNOWN: 0>, speed=0, mtu=65536), 'ens33': snicstats(isup=True, duplex=<NicDuplex.NIC_DUPLEX_FULL: 2>, speed=1000, mtu=1500)}- net_io_counter 获取网口的流量
psutil.net_io_counters()snetio(bytes_sent=32690381, # 发送字节
bytes_recv=34820697, # 接收字节 packets_sent=39503, # 发送包数 packets_recv=74172, # 接收包数 errin=0, # 接收错误数 errout=0, # 发送错误数 dropin=0, # 丢弃传入数据包数量 dropout=0 # 丢弃传入数据包数量 )其他
- 开机时间
import datetime, psutil
datetime.datetime.fromtimestamp(psutil.boot_time()).strftime("%Y-%m-%d %H:%M:%S")
'2021-12-23 14:25:56'- 获取当前用户
psutil.users() suser(name='xxx', terminal='tty1', host='', started=1640240768.0, pid=2254), suser(name='ipfsmain', terminal='pts/0', host='10.122.2.5', started=1640930560.0, pid=27171)- 获取pid
psutil.pids() 1, 2, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 30, 31, 32, 33, 34, 36, 37, 38, 39, 40, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 76, 77, 78, 122, 125, 128, 129, 130, 131, 132, 138, 147, 164, 239, 244, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 364, 365, 370, 371, 375, 377, 379, 450, 482, 501, 502, 531, 555, 582, 585, 592, 593, 594, 595, 596, 597, 607, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 812, 850, 869, 870, 941, 959, 1049, 1055, 1062, 1068, 1075, 1094, 1191, 1225, 1229, 1240, 1264, 1299, 1303, 1369, 1472, 2226, 2232, 2254, 3111, 3247, 6954, 10977, 12254, 14051, 14144, 15117, 24202, 24203, 24204, 24205, 24206, 24207, 24208, 24209, 24210, 24211, 26176, 26565, 26669, 26836, 26957, 27171, 27261, 27264, 27669, 27670, 27671, 27745, 27759, 27760, 27762, 27764, 27769- 获取进程信息
for x in psutil.process_iter():
print(x)
psutil.Process(pid=1, name='systemd', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=2, name='kthreadd', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=4, name='kworker/0:0H', status='idle', started='2021-12-23 14:25:56')
psutil.Process(pid=6, name='mm_percpu_wq', status='idle', started='2021-12-23 14:25:56')
psutil.Process(pid=7, name='ksoftirqd/0', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=8, name='rcu_sched', status='idle', started='2021-12-23 14:25:56')
psutil.Process(pid=9, name='rcu_bh', status='idle', started='2021-12-23 14:25:56')
psutil.Process(pid=10, name='migration/0', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=11, name='watchdog/0', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=12, name='cpuhp/0', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=13, name='cpuhp/1', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=14, name='watchdog/1', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=15, name='migration/1', status='sleeping', started='2021-12-23 14:25:56')
psutil.Process(pid=16, name='ksoftirqd/1', status='sleeping', started='2021-12-23 14:25:56')举报
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