GSoC/GCI Archive
Google Code-in 2013 Haiku

Fix #10156: Implement -o option to customize the 'ps' program output.

completed by: Thomas Schmidt

mentors: Siarzhuk Zharski, Gerasim Troeglazov, TriEdgeAI

The goal of this task is the implementing correct solution to fix issue described in Haiku Trac as ticket #10156. This is a coding task, for this task you will need to have a Haiku build environment setup, and be able to compile Haiku top utility sources fix the problem and check if your solution works. The basic knowledge of GIT SCM is also needed.


  • Install Haiku either on real hardware or in Virtual Machine (BTW, I can assist installing VirtualBox so it is obviously recommended by me);
  • Take familiar with the problem you should fix;
  • Get either the Haiku source tree or build the ps utility standalone and find solution to fix the problem;
  • After completing this task, please provide us with the git-formatted patch implementing your fix.


Haiku Images (required developer tools are included)

Ticket "[ps] Implement -o option to customize the program output"

Standalone "top" project at

Getting and building Haiku sources:

Varios Haiku development resources:

Haiku Coding Guidelines:

Good luck!