This repository demonstrates KUnit's
modified condition/decision coverage (MC/DC) of 5.15.y and mainline Linux kernel
using Clang source-based code coverage
and llvm-cov.
Patches can be found under patches/, or join LKML discussions:
link
Follow the instructions here to get started.
Example text coverage report: link (login with any GitHub account required)
Example HTML coverage report:
We published a paper "An Open-Source Structural Coverage Tool for DO-178C Compliance" and won "The Best of Conference Award" (the first place) at DASC 2025.
@inproceedings{linux-mcdc,
title={An Open-Source Structural Coverage Tool for {DO-178C} Compliance},
author={Zhang, Wentao and Oppelt, Andrew and Jeon, Ikjun and Park, Minji and VanderLeest, Steven H. and Wolber, Chuck},
booktitle={AIAA DATC/IEEE 44th Digital Avionics Systems Conference (DASC '25)},
year={2025},
month=sep,
}We gave three talks in LPC 2024:
- Making Linux Fly: Towards a Certified Linux Kernel (Refereed Track) [recording] [slides]
- Measuring and Understanding Linux Kernel Tests (Kernel Testing & Dependability MC) [recording] [slides]
- Source-based code coverage of Linux kernel (Safe Systems with Linux MC) [recording] [slides]
We gave an ELISA seminar titled "Making Linux Fly: Towards Certified Linux Kernel". [recording] [slides]
Please feel free to open Issues/PRs if you have any suggestions or questions. You can also send emails to:
- Steven H. VanderLeest <Steven.H.VanderLeest@boeing.com>
- Wentao Zhang <wentaoz5@illinois.edu>
This project is a collaboration between The Boeing Company and University of Illinois Urbana-Champaign.