How To Install ps_mem on CentOS 8

ps_mem is Memory profiling tool

Introduction

In this tutorial we learn how to install ps_mem on CentOS 8.

What is ps_mem

The ps_mem tool reports how much core memory is used per program (not per process). In detail it reports sum(private RAM for program processes) + sum(Shared RAM for program processes) The shared RAM is problematic to calculate, and the tool automatically selects the most accurate method available for the running kernel.

We can use yum or dnf to install ps_mem on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ps_mem.

Install ps_mem on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install ps_mem using dnf by running the following command:

sudo dnf -y install ps_mem

Install ps_mem on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install ps_mem using yum by running the following command:

sudo yum -y install ps_mem

How To Uninstall ps_mem on CentOS 8

To uninstall only the ps_mem package we can use the following command:

sudo dnf remove ps_mem

ps_mem Package Contents on CentOS 8

/usr/bin/ps_mem
/usr/share/doc/ps_mem
/usr/share/doc/ps_mem/LICENSE
/usr/share/man/man1/ps_mem.1.gz

References

Summary

In this tutorial we learn how to install ps_mem on CentOS 8 using yum and dnf.