nixos/profiles/auto-cpufreq.nix

   1 { lib, ... }:
   2 {
   3   # ExplanationNote: not compatible with auto-cpufreq
   4   services.tlp.enable = false;
   5   services.auto-cpufreq = {
   6     enable = true;
   7     settings = {
   8       # settings for when connected to a power source
   9       charger = {
  10         # see available governors by running: cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
  11         # preferred governor.
  12         governor = lib.mkDefault "ondemand";
  13         # EPP: see available preferences by running: cat /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences
  14         energy_performance_preference = lib.mkDefault "ondemand";
  15
  16         # EPB (Energy Performance Bias) for the intel_pstate driver
  17         # see conversion info: https://www.kernel.org/doc/html/latest/admin-guide/pm/intel_epb.html
  18         # available EPB options include a numeric value between 0-15
  19         # (where 0 = maximum performance and 15 = maximum power saving),
  20         # or one of the following strings:
  21         # performance (0), balance_performance (4), default (6), balance_power (8), or power (15)
  22         # if the parameter is missing in the config and the hardware supports this setting, the default value will be used
  23         # the default value is `balance_performance` (for charger)
  24         # energy_perf_bias = balance_performance
  25
  26         # Platform Profiles
  27         # https://www.kernel.org/doc/html/latest/userspace-api/sysfs-platform_profile.html
  28         # See available options by running:
  29         # cat /sys/firmware/acpi/platform_profile_choices
  30         platform_profile = lib.mkDefault "balanced";
  31
  32         # minimum cpu frequency (in kHz)
  33         # example: for 800 MHz = 800000 kHz --> scaling_min_freq = 800000
  34         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  35         # to use this feature, uncomment the following line and set the value accordingly
  36         # scaling_min_freq = 800000
  37
  38         # maximum cpu frequency (in kHz)
  39         # example: for 1GHz = 1000 MHz = 1000000 kHz -> scaling_max_freq = 1000000
  40         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  41         # to use this feature, uncomment the following line and set the value accordingly
  42         # scaling_max_freq = 1000000
  43
  44         # turbo boost setting. possible values: always, auto, never
  45         turbo = lib.mkDefault "auto";
  46
  47         # this is for ignoring controllers and other connected devices battery from affecting
  48         # laptop preformence
  49         # [power_supply_ignore_list]
  50
  51         # name1 = this
  52         # name2 = is
  53         # name3 = an
  54         # name4 = example
  55       };
  56       # settings for when using battery power
  57       battery = {
  58         # see available governors by running: cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
  59         # preferred governor
  60         governor = "powersave";
  61
  62         # EPP: see available preferences by running: cat /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences
  63         energy_performance_preference = "power";
  64
  65         # EPB (Energy Performance Bias) for the intel_pstate driver
  66         # see conversion info: https://www.kernel.org/doc/html/latest/admin-guide/pm/intel_epb.html
  67         # available EPB options include a numeric value between 0-15
  68         # (where 0 = maximum performance and 15 = maximum power saving),
  69         # or one of the following strings:
  70         # performance (0), balance_performance (4), default (6), balance_power (8), or power (15)
  71         # if the parameter is missing in the config and the hardware supports this setting, the default value will be used
  72         # the default value is `balance_power` (for battery)
  73         # energy_perf_bias = balance_power
  74
  75         # Platform Profiles
  76         # https://www.kernel.org/doc/html/latest/userspace-api/sysfs-platform_profile.html
  77         # See available options by running:
  78         # cat /sys/firmware/acpi/platform_profile_choices
  79         platform_profile = "low-power";
  80
  81         # minimum cpu frequency (in kHz)
  82         # example: for 800 MHz = 800000 kHz --> scaling_min_freq = 800000
  83         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  84         # to use this feature, uncomment the following line and set the value accordingly
  85         # scaling_min_freq = 800000
  86
  87         # maximum cpu frequency (in kHz)
  88         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  89         # example: for 1GHz = 1000 MHz = 1000000 kHz -> scaling_max_freq = 1000000
  90         # to use this feature, uncomment the following line and set the value accordingly
  91         # scaling_max_freq = 1000000
  92
  93         # turbo boost setting. possible values: always, auto, never
  94         turbo = lib.mkDefault "auto";
  95
  96         # experimental
  97
  98         # Add battery charging threshold (currently only available to Lenovo)
  99         # checkout README.md for more info
 100
 101         # enable thresholds true or false
 102         enable_thresholds = lib.mkDefault false;
 103         #
 104         # start threshold (0 is off ) can be 0-99
 105         start_threshold = lib.mkDefault 0;
 106         #
 107         # stop threshold (100 is off) can be 1-100
 108         stop_threshold = lib.mkDefault 100;
 109       };
 110     };
 111   };
 112 }