Python using PsUtil to implement real-time monitoring system status

PSUtil is a cross-platform Python library for retrieving information about running processes and system utilization (CPU, memory, disk, network, sensors).

It is cross-platform and runs on Linux, Windows and macOS.

In this article, we will take an in-depth look at how to use the PSUtil module to monitor the various resources of your system. This article includes the following topics:

1. Install the psutil module

First, we need to install the psutil module. It can be installed using the following command:

pip install psutil

2. Obtaining system information

Use the psutil.cpu_count() function to get the CPU count:

import psutil
print("Number of CPUs:", psutil.cpu_count(logical=True))

As you can see, we used the psutil.cpu_count() function to get the number of logical CPUs in the system.

Next, we can use the psutil.cpu_stats() function to get CPU statistics:

import psutil
cpu_stats = psutil.cpu_stats()
print("CPU statistics:", cpu_stats)

3. Get CPU information

Use the psutil.cpu_percent() function to get the CPU utilization:

import psutil
print("CPU utilization:", psutil.cpu_percent(interval=1))

As you can see, we used the psutil.cpu_percent() function to get the CPU utilization. interval parameter specifies the time interval in seconds.

Next, we can use the psutil.cpu_times() function to get CPU time information:

import psutil
cpu_times = psutil.cpu_times()
print("CPU time information:", cpu_times)

4. Getting memory information

Use the psutil.virtual_memory() function to get memory information:

import psutil
memory = psutil.virtual_memory()
print("Memory information:", memory)

5. Getting Disk Information

Use the psutil.disk_partitions() function to get disk partition information:

import psutil
partitions = psutil.disk_partitions()
print("Disk Partition Information:", partitions)

As you can see, we used the psutil.disk_partitions() function to get information about the disk partitions in the system.

Next, we can use the psutil.disk_usage() function to get disk usage:

import psutil
usage = psutil.disk_usage('/')
print("Disk Usage:", usage)

6. Access to network information

Use the psutil.net_io_counters() function to get network information:

import psutil
net_io_counters = psutil.net_io_counters()
print("Network Information:", net_io_counters)

As you can see, we used the psutil.net_io_counters() function to get information about the network, including the number of bytes sent and received.

7. Getting sensor information

Use the psutil.sensors_temperatures() function to get sensor information:

import psutil
sensors_temperatures = psutil.sensors_temperatures()
print("Sensor information:", sensors_temperatures)

As you can see, we used the psutil.sensors_temperatures() function to get information about the sensors in the system.

8. Process management using psutil

Use the psutil.process_iter() function to get the running process:

import psutil
for process in psutil.process_iter():
    print(())

As you can see, we used the psutil.process_iter() function to get the running process.

We can use various properties of the process object to get detailed information about the process.

Use the () function to get details about a specific process:

import psutil
process_id = 1234
process = (process_id)
print(())
print(process.cpu_percent(interval=1))
print(process.memory_info().rss)

9. Using psutil for system monitoring

Implement a simple system monitoring program using psutil:

import time
import psutil
while True:
    cpu_usage = psutil.cpu_percent(interval=1)
    memory_usage = psutil.virtual_memory().percent
    disk_usage = psutil.disk_usage('/').percent
    network_usage = psutil.net_io_counters().bytes_sent + psutil.net_io_counters().bytes_recv
    print("CPU utilization:", cpu_usage)
    print("Memory utilization:", memory_usage)
    print("Disk utilization:", disk_usage)
    print("Web usage:", network_usage)
    (1)

As you can see, we used psutil to implement a simple system monitor program that can monitor CPU, memory, disk and network usage in real time.

10. Summary

This article describes how to use psutil module to monitor various resources of the system. We can use psutil to get system information, CPU information, memory information, disk information, network information and sensor information.

We can also use psutil for process management and system monitoring. psutil is a very powerful Python library that can help us write efficient system monitoring programs.

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