2015-11-06 15:15 GMT-02:00 Patrick Plattes <patrick@erdbeere.net>:
ello,
I'm interested since a very long time in kernel development, but I never saw the right path to become familiar with parts of the kernel. I read a bit of ipc code and ext* code, but since I often don't know any possible next steps I moved back to something else in the user space.
I really like the tutorial on kernelnewbies.org FirstKernelPatch an I had the idea to create this type of tutorial as a training for specific kernel subsystems eg. ipc, file systems, usb drivers, ...
A structure of such a tutorial could look like that: (eg scheduler)
1. Introduction / Goal [5 sentences of the goal - what should be archived by this tutorial] - understand scheduling in the linux kernel - write your own scheduler - ... 2. Preparation 2.1 Understand how to write a kernel patch: http://kernelnewbies.org/FirstKernelPatch 2.2 Understand the goal of Scheduling: https://en.wikipedia.org/wiki/Schedule 3. User space view 3.1 Read and understand: http://man7.org/linux/man-pages/man7/sched.7.html 3.1.1 Questions 3.2 Exercise: Write a program that does A 3.3 Exercise: Write a program that does B 3.4 Exercise: Write a program that does C 4. Kernel 4.1 Read and understand: http://man7.org/linux/man-pages/man7/sched.7.html 4.1.1 Questions 4.2 Read API description: http://... 4.3 Exercise (understanding): Read and understand function xxxx_yyyy() 4.4 Exercise (understanding: Change the implementation of xxxx_yyyy(), so that ... 4.5 Exercise (debugging): checkout version 123456 and fix the following (old) bug 4.6 Final Exercise (developing): Write your own scheduler with the following algorithm...
In my opinion that could help a lot of interested people to have a guided tour though the kernel. It could really lower barriers, also in terms of the fear of communication.
I am NOT able to to produce it by myself, but I can help to structure it, review it and also answer questions. I would also maintain them in case of changes and test the tutorials on a regular basis to keep them up to date. I also would improve the tutorial from a newbie point of view ;)
If there is someone out there that is also interested in doing it please let me know.
And if there is something like this out there please let me know, so I can maybe support this project :)
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