
Eric Hay developed a CPU Load Monitoring subsystem for the zephyrproject-rtos/zephyr-testing repository, focusing on embedded systems and operating system development using C and CMake. His work enabled precise measurement and reporting of CPU utilization by tracking scheduler idle thread cycles and calculating active CPU time between function calls. The subsystem was fully integrated into both documentation and build configurations, ensuring straightforward adoption and reproducibility across different environments. By laying the groundwork for data-driven performance monitoring and capacity planning, Eric’s contribution provided a robust foundation for future optimization efforts, demonstrating depth in performance monitoring and embedded software engineering within the Zephyr ecosystem.

In August 2025, delivered a new CPU Load Monitoring subsystem for the zephyr-testing repo, enabling measurement and reporting of CPU utilization as a percentage by tracking scheduler idle thread cycles and computing active CPU time between function calls. This feature is integrated into documentation and build configurations to ensure easy adoption and reproducibility across environments. No critical bug fixes recorded this month; focus was on feature delivery and groundwork for performance optimization.
In August 2025, delivered a new CPU Load Monitoring subsystem for the zephyr-testing repo, enabling measurement and reporting of CPU utilization as a percentage by tracking scheduler idle thread cycles and computing active CPU time between function calls. This feature is integrated into documentation and build configurations to ensure easy adoption and reproducibility across environments. No critical bug fixes recorded this month; focus was on feature delivery and groundwork for performance optimization.
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