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Guider a System Wide Linux Performance Analyzer

  • Last Updated : 17 Oct, 2021

Guider is an open-source integrated performance analyzer tool written mostly in Python for Linux operating systems. Most of the functions required for measuring, analyzing, testing, and verifying Linux system performance are provided in Guider. Guider provides most of the features like  Monitoring, Profiling, Visualization,  control, Logging, Test. 

Information concerning CPU, memory, disk usage per thread, processes, system functions (user/kernel) are shown which makes it easy to know the root cause for abnormal system performance and improve them.

In this article, the installation of guider from source will be shown and also how to use it to analyze and improve overall Linux operating system performance. 

Install Guider – Linux Performance Analyzer

For installing Guider on Linux, first, clone the guider repository from GitHub and go inside the guider directory by using the following commands:-

$ git clone https://github.com/iipeace/guider.git
$ cd guider

Guider a System Wide Linux Performance Analyzer

Run the following command in the terminal to know about guider (without even installing it):

guider/guider.py

Guider a System Wide Linux Performance Analyzer

If you want to run guider faster and lighter after downloading, then build and install it on your system by using the following command:

cd guider && make && make install 

We don’t need to install the guider mandatorily.

How to use Guider

In Guider, the buffer size is set for its operations by default. the buffer size can be seen by using the following command:

sudo cat /sys/kernel/debug/tracing/buffer_size_kb

If the value is found to be less than 40960, then we have to set it to the required value using the following command:

echo 40960 | sudo tee /sys/kernel/debug/tracing/buffer_size_kb

Guider a System Wide Linux Performance Analyzer

Analyzing a Single Linux Process Using PID

WE can get the process ID using the PID of or ps command:-



$ pidof apache2
OR
$ ps -e | grep apache2

For monitoring for all processes in the system write the following command:

 guider/guider.py top -a

Guider a System Wide Linux Performance Analyzer

We can also set an interval for showing the output using the following command:

sudo guider/guider.py top -i 2

Guider a System Wide Linux Performance Analyzer

To analyze resource usage which will give output regarding CPU cycle, instruction number, IPC, faults, cache miss, branch miss and so much more in real-time by using the following command:

sudo guider/guider.py top -eP -g 1913

Guider a System Wide Linux Performance Analyzer

-g  sets a filter that is the process ID in this case.

Save Guider Output to a File

We can save trace data or any output in a file for later analyzing it. They save the trace data in a file called guider.dat (by default) in the current directory by using the following command:

 sudo guider -s .

We can also save other outputs in a file called guider. out (by default) in the current directory.

sudo guider top -o .

Guider a System Wide Linux Performance Analyzer

We can inspect these files through the cat command like this:

$ cat guider.dat
$ cat guider.out

For getting more help regarding guider to use the following command:

guider/guider.py --help

Guider a System Wide Linux Performance Analyzer

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