Drift, Jitter, and Expectations - A Story of Kernel Timers

Explore the critical role of kernel timers in Zephyr and learn how setting expectations through key tests has improved quality and correctness in this 21-minute conference talk. Gain insights into the functionality of timer drivers and understand the importance of statistical analysis and bounded expectations in catching issues. Discover how these tests have contributed to enhancing the reliability of this essential kernel element. Witness a brief demonstration of the test procedure and learn to interpret potential failure scenarios.