1, CPU Information
>>> import psutil #Import psutil module >>> psutil.cpu_times() #View full CPU Information scputimes(user=262.23, nice=0.27, system=170.81, idle=153135.17, iowait=50.04, irq=0.0, softirq=0.08, steal=0.0, guest=0.0, guest_nice=0.0) >>> psutil.cpu_times(percpu=False) # Another way to view complete CPU Information scputimes(user=262.24, nice=0.27, system=170.83, idle=153151.74, iowait=50.04, irq=0.0, softirq=0.08, steal=0.0, guest=0.0, guest_nice=0.0) >>> psutil.cpu_times().user # View single type information, such as the CPU time ratio of users 262.3 >>> psutil.cpu_count() # View the logical number of CPU s 1 >>> psutil.cpu_count(logical=False) # View the physical number of CPU s 1 >>>
2, Memory information
Total (total memory)
Used (used memory)
Free (free memory)
buffers (number of buffer uses)
Cache (cache usage)
Swap (swap partition usage)
>>> import psutil # Import psutil module >>> psutil.virtual_memory() # View overall memory information svmem(total=1040551936, available=701288448, percent=32.6, used=180355072, free=452206592, active=275603456, inactive=224522240, buffers=60026880, cached=347963392, shared=352256, slab=65908736) >>> jier = psutil.virtual_memory() # Assign memory information to a variable >>> jier.total # Check the total memory 1040551936 >>> jier.free # View memory empty balance 452206592 >>>
3, Disk information
Read? Count
Write "count
read_bytes
write_bytes
Read? Time
Write time
>>> import psutil # Import module
>>> psutil.disk_partitions() # View full disk information
[sdiskpart(device='/dev/vda1', mountpoint='/', fstype='ext4', opts='rw,relatime,data=ordered')]
>>> psutil.disk_usage('/') # View the disk usage information of the root partition
sdiskusage(total=42139451392, used=3381141504, free=36594155520, percent=8.5)
>>> psutil.disk_usage('/run/') # View disk usage information of run partition
sdiskusage(total=520273920, used=352256, free=519921664, percent=0.1)
>>> psutil.disk_io_counters() # View IO read / write status of disk
sdiskio(read_count=16014, write_count=37632, read_bytes=329921536, write_bytes=278237184, read_time=146130, write_time=148078, read_merged_count=13, write_merged_count=16619, busy_time=55554)
>>> psutil.disk_io_counters(perdisk=True) # Get the IO number and read-write information of a single partition
{'vda': sdiskio(read_count=16014, write_count=37632, read_bytes=329921536, write_bytes=278237184, read_time=146130, write_time=148078, read_merged_count=13, write_merged_count=16619, busy_time=55554), 'vda1': sdiskio(read_count=15930, write_count=36897, read_bytes=327808000, write_bytes=278237184, read_time=146088, write_time=147968, read_merged_count=13, write_merged_count=16619, busy_time=55428)}
>>> 4, Network information
Bytes'sent
bytes_recv=28220119 (bytes received)
packets_sent=200978 (number of packets sent)
Packets? Recv = 212672 (number of packets received)
>>> import psutil # Import module
>>> psutil.net_io_counters() # View the overall network IO information flow
snetio(bytes_sent=9978681, bytes_recv=5290561, packets_sent=37611, packets_recv=44983, errin=0, errout=0, dropin=0, dropout=0)
>>> psutil.net_io_counters(pernic=True) # View IO information flow of individual interface
{'lo': snetio(bytes_sent=0, bytes_recv=0, packets_sent=0, packets_recv=0, errin=0, errout=0, dropin=0, dropout=0), 'eth0': snetio(bytes_sent=9982647, bytes_recv=5294811, packets_sent=37641, packets_recv=45036, errin=0, errout=0, dropin=0, dropout=0)}
>>>
5, Other system information
>>> import psutil # Import module
>>> import datetime # Import time module
>>> psutil.users() # Get login user information
[suser(name='root', terminal='pts/0', host='124.205.208.206', started=1534906496.0, pid=22583), suser(name='root', terminal='pts/1', host='124.205.208.206', started=1534907136.0, pid=22739)]
>>> psutil.boot_time() # Get system start time information
1534755312.0
>>> datetime.datetime.fromtimestamp(psutil.boot_time()).strftime("%Y-%m-%d %G:%M:%S") # Grid system start-up time information
'2018-08-20 2018:55:12'
>>>