How to Write Your First Kernel Selftest

Discover how to create your first kernel selftest in this 20-minute conference talk from linux.conf.au 2021. Gain insights into the Linux kernel selftests, including their purpose, location, and importance. Learn the step-by-step process of writing a selftest, even without prior kernel development experience. Explore the mechanics of building, running, and creating simple selftests, and understand what aspects of the kernel need testing. By the end of this presentation, feel empowered to write your own kernel selftest and potentially contribute to the upstream Linux kernel community.

Introduction
What are kernel selftests
Where are they kept
Why kernel selftests
Benefits
Build
Run
Run all tests
Simple selftest
Another small test
What needs testing
Summary