On Sat, Oct 10, 2020 at 06:14:23PM +0200, Julia Lawall wrote: > Prior to v5.8 on my machine this was a rare event, because there were not > many of these background processes. But in v5.8, the default governor for > Intel machines without the HWP feature was changed from intel_pstate to > intel_cpufreq. The use of intel_cpufreq triggers very frequent kworkers on > all cores, which makes it much more likely that cores that are currently > idle, and are overall not at all overloaded, will have a higher load > average even with the waking thread deducted, than the core managing the > wakeup of the threads.
Rafael, any idea what those kworkers are for, and can we get rid of them?