我从 ubuntu 20.04 升级到 ubuntu 20.10，之后我的 CPU 使用率非常高。此外，如果我打开任何应用程序，首先打开需要很长时间，然后会滞后太多。
我在桌面上没有打开任何应用程序并连接外接鼠标，但甚至无法正常工作。
请帮忙
输出top
grep . /sys/devices/system/cpu/cpufreq/policy*/scaling_driver
/sys/设备/系统/cpu/cpufreq/policy0/scaling_driver:intel_pstate /sys/设备/系统/cpu/cpufreq/policy1/scaling_driver:intel_pstate /sys/设备/系统/cpu/cpufreq/policy2/scaling_driver:intel_pstate /sys/设备/系统/cpu/cpufreq/policy3/scaling_driver:intel_pstate
grep . /sys/devices/system/cpu/cpufreq/policy*/scaling_governor
/sys/devices/system/cpu/cpufreq/policy0/scaling_governor:powersave /sys/devices/system/cpu/cpufreq/policy1/scaling_governor:powersave /sys/devices/system/cpu/cpufreq/policy2/scaling_governor:powersave /sys/devices/system/cpu/cpufreq/policy3/scaling_governor:powersave
grep . /sys/devices/system/cpu/cpuidle/*
/sys/devices/system/cpu/cpuidle/available_governors:ladder 菜单 teo /sys/devices/system/cpu/cpuidle/current_driver:intel_idle /sys/devices/system/cpu/cpuidle/current_governor:menu /sys/devices/system/cpu/cpuidle/current_governor_ro:menu