cpu Information

# Display all logic information of cpu
b = psutil.cpu_times()
# View the cpu time ratio of users
c = psutil.cpu_times().user
# View the physical number of CPUs
d = psutil.cpu_count(logical=False)
print(b, c, d)

Disk information

# Get disk full information
print(psutil.disk_io_counters())
# Get the usage of partition (parameter)
print(psutil.disk_usage('/'))```

Memory information

# All information of system memory
a = psutil.virtual_memory()
print(a)
# Total system memory
print(a.total)
# The system has used memory
print(a.used)
# System free memory
print(a.free)
# Get swap memory information
print(psutil.swap_memory())

Disk information

# Get disk full information
print(psutil.disk_io_counters())
# Get the usage of partition (parameter)
print(psutil.disk_usage('/'))

network information

# Get the total IO information of the network
print(psutil.net_io_counters())
# Obtain IO information of each network interface
print(psutil.net_io_counters(pernic=True))

Other system information

# Current user information
print(psutil.users())
# Get boot
import datetime
print(psutil.boot_time())
print(datetime.datetime.utcfromtimestamp(psutil.boot_time()).strftime('%Y-%m-%d %H:%M:%S'))

Process information

pids = psutil.pids() #List all process IDs
pids_4644= psutil.Process(4644) #List the process information with the specified pid of 4644
print (pids)
print (pids_4644.name())    #Output process name
print (pids_4644.exe())     #Output process path
print (pids_4644.cwd())     #Output absolute path
print (pids_4644.status())  #Output process status
print (pids_4644.create_time()) #Output creation time and timestamp format
#print (pids_4644.gid())        #Output process gid information
print (pids_4644.cpu_times)     #Output cpu time information, including user and system cpu time
print (pids_4644.cpu_affinity()) #get process cpu affinity
print (pids_4644.memory_percent()) #Process utilization
print (pids_4644.memory_info)    #Process memory information
print (pids_4644.io_counters())  #Process IO information, including read / write IO number and byte number
print (pids_4644.connections())      #Returns the namedutples list of the open process socket, including fs,family, etc
print (pids_4644.num_threads())     #Number of threads opened by process