Grzegorz Bernat focused on improving timekeeping reliability in the thesofproject/sof repository by addressing a persistent bug affecting extended time checks. He enabled the CONFIG_COUNTER configuration, which stabilized the behavior of basefw_get_ext_system_time() and reduced flakiness in time-sensitive tests. Working primarily in C and leveraging his expertise in configuration management and embedded systems, Grzegorz’s solution enhanced the determinism of runtime validation and created a more robust foundation for future time-based features. Although the work centered on a single bug fix, it demonstrated careful analysis and targeted engineering to improve CI reliability and overall system stability for embedded applications.