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The installation steps of the kernel module netatop can be found below. This kernel module can be used in combination with kernel version 2.6.24 or newer, and atop version 2.0 or newer (in case atop shows the message "No kernel-patch installed", please upgrade atop to version 2.x).
The kernel patches that have been available on this website in the past are obsolete.

Important notice before download

• By downloading the software you agree with the license-conditions of the GPL (an open source license). Please read these conditions before you download the software.
• The license states that the software is offered to you "as is", which means that guarantee and liability is limited.
• For questions or remarks, please contact the maintainer.
• Disclaimer: The authors deny any warranty for any data loss and damage whatsoever that may be caused directly or indirectly by using this software. This is experimental software. Use at your own risk.

 

Version 3.1

• Modifications for netatop kernel module:
  1. Adapted for kernel version 5.6 and higher: modified kernel structs.

 

Version 3.0-1

• Modifications for netatop kernel module:
  1. Adapted for kernel version 5.5 and higher: modified kernel variable name.
  2. Added service file for native use with systemd.
  3. Modified 3.0-1: Corrected pathname for system service file.

 

Version 2.0

• Modifications for netatop kernel module:
  1. Adapted for kernel version 4.13 and higher: modified to new netfilter functions.

 

Version 1.0

• Modifications for netatop kernel module:
  1. Adapted for kernel version 4.4 and higher: added ifdef's for pointer compatibility.

 

Version 0.7

• Modifications for netatop kernel module:
  1. Adapted for kernel version 4.2 and higher: added include file.

 

Version 0.6

• Modifications for netatop kernel module:
  1. Adapted for kernel version 4.1 and higher: API modification.

 

Version 0.5

• Modifications for netatop kernel module:
  1. Enable 64-bit division on 32-bit systems by using div_u64()
     (required for kernel version 3.17 and higher on 32-bit systems).

 

Version 0.4

• Modifications for netatop kernel module:
  1. Use of variable real_start_time (in task_struct) modified
     (required for kernel version 3.17 and higher).

 

Version 0.3

• Modifications for netatop kernel module:
  1. Interface for /proc changed to proc_create/seq_file
     (required for kernel version 3.10 and higher).

 

Version 0.2

• Modifications for netatop kernel module:
  1. Avoid panic by implementing kernel daemon 'knetatop' for garbage collection.
  2. Improved allocation of structures (via slab cache).
  3. Minor bug solutions and cosmetic changes.

 

Version 0.1.1

• Modifications for netatop kernel module:
  1. Bug solution: Sometimes the kernel module stops gathering statistics.

 

Version 0.1

• Modifications for netatop kernel module:
  1. Initial release.
  2. Utilization counters are maintained for IPv4. No support (yet) for IPv6.
• Modifications for netatopd daemon:
  1. Initial release.

 

Installation netatop and netatopd

After the archive has been downloaded and extracted, the following steps are required to install the netatop kernel module and the netatopd daemon (as root):

1. Install the packages gcc and make that are needed for compilation of the source code.
    
   
2. Depending on the Linux distribution, install the package zlib-devel (e.g. for RedHat and CentOS) or zlib1g-dev (e.g. for Debian and Ubuntu) from the distributor's repository.
    
   
3. Depending on the Linux distribution, install the packages kernel-devel and/or kernel-headers (e.g. for RedHat and CentOS) or linux-headers (e.g. for Debian and Ubuntu) from the distributor's repository. Take care that the version of these packages correspond to the kernel version in use.
   Whether explicit installation of these packages is needed depends on the distribution.
    
   
4. Build and install the module and daemon.
   From the topdirectory of the extracted archive and run the following commands:

         make
         make install
       

   All components are compiled now and copied to the proper directories.
    
   
5. To load the module and start the daemon:

         systemctl start netatop
       

6. To load the module and start the daemon automatically after boot:

         systemctl enable netatop
       

When atop is running while you load or unload the module, it will automatically adapt to the new situation on a per-sample basis.