“Conservative” Governor

2.1% (10.0) cpufreq-set : cpufreq_governor_dbs (delayed_work_timer_f

“Ondemand” Governor

32.2% (50.0) cpufreq-set : queue_delayed_work_on (delayed_work_timer_

The userspace, performance, powersave governors do not poll automatically therefore powerTOP doesn’t list them. The Ondemand governor is suitable while the laptop is powered by AC. While Conservative or powersave is logical to use on battery mode.