目前使用 macbook air 6 运行 ubuntu
不过电池出现了问题。我设法降低了整体使用率（参见输出），尤其是在空闲时，但即使只是浏览网页，使用率仍然超过 50 C
自动cpufreq：
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Linux kernel: 5.15.0-83-generic
Processor: Intel(R) Core(TM) i5-4250U CPU @ 1.30GHz
Cores: 4
Architecture: x86_64
Driver: intel_cpufreq
------------------------------ Current CPU stats ------------------------------
CPU max frequency: 1900 MHz
CPU min frequency: 800 MHz
Core Usage Temperature Frequency
CPU0 2.1% 46 °C 800 MHz
CPU1 1.1% 45 °C 800 MHz
CPU2 3.2% 46 °C 800 MHz
CPU3 5.1% 45 °C 800 MHz
CPU fan speed: 1993 RPM
---------------------------- CPU frequency scaling ----------------------------
Battery is: discharging
Setting to use: "powersave" governor
Total CPU usage: 49.0 %
Total system load: 1.28
Average temp. of all cores: 47.50 °C
High CPU load (load average: 1.28, 0.88, 0.81)
setting turbo boost: on
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电源顶部：
The battery reports a discharge rate of 6.78 W
The power consumed was 158 J
The estimated remaining time is 3 hours, 15 minutes
Summary: 558.5 wakeups/second, 0.0 GPU ops/seconds, 0.0 VFS ops/sec and 27.6% C
500 mW used by tick_sched_timer and 700 mW by btusb
另外，刚好看到 dmesg 返回
[<0000000035b5015a>] dw_dma_interrupt
[dw_dmac_core]
irq 0: nobody cared (try booting with the "irqpoll" option)
ACPI Error: Needed type [Reference], found [Integer] 00000000e17c1456 (20210730/exresop-66)
ACPI Error: AE_AML_OPERAND_TYPE, While resolving operands for [Store] (20210730/dswexec-431)