我有一台联想 Legion 5 pro。它配备了 Ryzen 7 5800H、Nvidia RTX 3060 和 AMD 集成显卡。在我的笔记本电脑中，性能模式根本没有显示！（它只显示平衡和省电模式）。
我的笔记本电脑天生就具有省电模式、平衡模式和性能模式。（电源按钮上的特定颜色表示活动模式。性能模式为红色）。我可以从颜色看出我的笔记本电脑处于性能模式，但不确定是否确实如此。
1. uname -a
Linux L5Pro-16ACH6H 6.2.0-34-generic #34~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Sep 7 13:12:03 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
2. sudo grep . /sys/devices/system/cpu/cpu0/cpufreq/*
/sys/devices/system/cpu/cpu0/cpufreq/affected_cpus:0
/sys/devices/system/cpu/cpu0/cpufreq/bios_limit:3200000
/sys/devices/system/cpu/cpu0/cpufreq/cpb:1
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq:1200000
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq:4462500
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_min_freq:1200000
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_transition_latency:0
/sys/devices/system/cpu/cpu0/cpufreq/freqdomain_cpus:0 1
/sys/devices/system/cpu/cpu0/cpufreq/related_cpus:0
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies:3200000 1300000 1200000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors:conservative ondemand userspace powersave performance schedutil
/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq:1200000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_driver:acpi-cpufreq
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor:schedutil
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq:3200000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq:1200000
/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed:<unsupported>
grep: /sys/devices/system/cpu/cpu0/cpufreq/stats: Is a directory