Sleeping Disorders - Identifying Unwanted Wake-Up Sources
Explore common issues in power management and system wake-ups in this Linux Plumbers Conference talk. Learn about the challenges faced by power management engineers in quiescing systems, including unwanted wake-up sources from hardware and software. Discover how the idle framework operates independently and opportunistically, and examine potential improvements through collaboration with the scheduler. Delve into topics such as the Money Governor, prevention strategies, topology considerations, and performance multipliers. Investigate new approaches like the MiniGovernor and prediction quality improvements. Gain insights into reading from disk schedulers and the development of a new governor. Understand the impact of various system components, including printers, on power management efficiency.