The deadline scheduler and CPU idle states
The deadline scheduler and CPU idle states
[Kernel] Posted May 22, 2020 13:42 UTC (Fri) by corbet
As Rafael Wysocki conceded at the beginning of a session at the 2020 Power Management and Scheduling in the Linux Kernel summit (OSPM), the combination of the deadline scheduling class with CPU idle states might seem a little strange. Deadline scheduling is used in realtime settings, where introducing latency by idling the CPU tends to be frowned upon. But there are reasons to think that these two technologies might just be made to work together.