Overview
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Embark on an enlightening exploration of Linux kernel interrupt handling, focusing on the intricacies of the Bottom Half mechanism. Unravel the current state of interrupt handling and gain clarity on its complexities. Delve into various bottom-half mechanisms, including workqueues, tasklets, and softirqs, understanding their inner workings, roles, and impact on system performance. Discover the design rationale behind these mechanisms and their specific use cases. Explore the possibility of eliminating tasklets for enhanced efficiency. Examine real-world statistics on time spent in bottom halves, gaining practical insights into their impact on system performance. Demystify Linux kernel interrupt handling through this comprehensive 34-minute talk that combines theory, practical insights, and the latest statistical analysis.
Syllabus
A Journey into Linux Interrupt Handling Bottom Halves - Allen Pais, Microsoft
Taught by
Linux Foundation