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TLDR This post describes how to make a Framework laptop run quieter on Guix.
Much has been written about Framework, and Guix on Framework, so I want to focus specifically on making the laptop run quieter.
I’ve found there’s two, easy “fixes”:
- Disable Turbo Boost
- Improve fan control
This has been tested on the Ryzen 5 7640U, but should work on other models.
Disable Turbo Boost
One of the biggest sources of excessive heat, and thus noise, is the Turbo Boost feature of the CPU. This feature allows the CPU to run at higher clock speeds for short periods of time, but it can also lead to increased power consumption and heat generation.
Manual
Check if turbo boost is enabled (1 = enabled):
$ cat /sys/devices/system/cpu/cpufreq/boost
1
Disable it:
$ echo 0 | sudo tee /sys/devices/system/cpu/cpufreq/boost
0
Enable it:
$ echo 1 | sudo tee /sys/devices/system/cpu/cpufreq/boost
1
Guix-Style
You can achieve the same via system config:
(service tlp-service-type
(tlp-configuration
(cpu-scaling-governor-on-ac (list "balanced" "performance"))
(cpu-boost-on-ac? #f) ;; disable on AC
(cpu-scaling-governor-on-bat (list "low-power"))
(cpu-boost-on-bat? #f) ;; disable on battery
(sched-powersave-on-bat? #t)))
Improve Fan Control
The default fan control on the Framework laptop is sub-optimal. It tends to ramp up the fans too quickly, or runs them at higher speeds than necessary.
The following steps assume that you have access to ectool and fw-fanctrl, both of which can be found on the on the panther channel.
Spawn a shell with the required dependencies:
guix shell fw-fanctrl
sudo mkdir /etc/fw-fanctrl
sudo cp $(dirname $(dirname $(readlink -f $(which fw-fanctrl))))/lib/python3.10/site-packages/fw_fanctrl/_resources/config.json /etc/fw-fanctrl/config.json
Run the fan control daemon:
sudo fw-fanctrl run lazy
To reset to default:
sudo ectool autofanctrl
PS: I’m working to add a shepherd service, to automate it.
Preview:
Strategy: 'lazy'
Default: False
Speed: 19%
Temp: 56.0°C
MovingAverageTemp: 56.17°C
EffectiveTemp: 56.0°C
Active: True
DefaultStrategy: 'lazy'
DischargingStrategy: ''
Strategy: 'lazy'
Default: False
Speed: 19%
Temp: 56.0°C
MovingAverageTemp: 56.17°C
EffectiveTemp: 56.0°C
Active: True
DefaultStrategy: 'lazy'
DischargingStrategy: ''