nixos/profiles/auto-cpufreq.nix

   1 { lib, ... }:
   2 {
   3   # ExplanationNote: not compatible with auto-cpufreq
   4   services.tlp.enable = false;
   5   services.power-profiles-daemon.enable = false;
   6   services.auto-cpufreq = {
   7     enable = true;
   8     settings = {
   9       # settings for when connected to a power source
  10       charger = {
  11         # see available governors by running: cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
  12         # preferred governor.
  13         governor = lib.mkDefault "ondemand";
  14         # EPP: see available preferences by running: cat /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences
  15         energy_performance_preference = lib.mkDefault "ondemand";
  16
  17         # EPB (Energy Performance Bias) for the intel_pstate driver
  18         # see conversion info: https://www.kernel.org/doc/html/latest/admin-guide/pm/intel_epb.html
  19         # available EPB options include a numeric value between 0-15
  20         # (where 0 = maximum performance and 15 = maximum power saving),
  21         # or one of the following strings:
  22         # performance (0), balance_performance (4), default (6), balance_power (8), or power (15)
  23         # if the parameter is missing in the config and the hardware supports this setting, the default value will be used
  24         # the default value is `balance_performance` (for charger)
  25         # energy_perf_bias = balance_performance
  26
  27         # Platform Profiles
  28         # https://www.kernel.org/doc/html/latest/userspace-api/sysfs-platform_profile.html
  29         # See available options by running:
  30         # cat /sys/firmware/acpi/platform_profile_choices
  31         platform_profile = lib.mkDefault "balanced";
  32
  33         # minimum cpu frequency (in kHz)
  34         # example: for 800 MHz = 800000 kHz --> scaling_min_freq = 800000
  35         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  36         # to use this feature, uncomment the following line and set the value accordingly
  37         # scaling_min_freq = 800000
  38
  39         # maximum cpu frequency (in kHz)
  40         # example: for 1GHz = 1000 MHz = 1000000 kHz -> scaling_max_freq = 1000000
  41         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  42         # to use this feature, uncomment the following line and set the value accordingly
  43         # scaling_max_freq = 1000000
  44
  45         # turbo boost setting. possible values: always, auto, never
  46         turbo = lib.mkDefault "auto";
  47
  48         # this is for ignoring controllers and other connected devices battery from affecting
  49         # laptop preformence
  50         # [power_supply_ignore_list]
  51
  52         # name1 = this
  53         # name2 = is
  54         # name3 = an
  55         # name4 = example
  56       };
  57       # settings for when using battery power
  58       battery = {
  59         # see available governors by running: cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
  60         # preferred governor
  61         governor = "powersave";
  62
  63         # EPP: see available preferences by running: cat /sys/devices/system/cpu/cpu0/cpufreq/energy_performance_available_preferences
  64         energy_performance_preference = "power";
  65
  66         # EPB (Energy Performance Bias) for the intel_pstate driver
  67         # see conversion info: https://www.kernel.org/doc/html/latest/admin-guide/pm/intel_epb.html
  68         # available EPB options include a numeric value between 0-15
  69         # (where 0 = maximum performance and 15 = maximum power saving),
  70         # or one of the following strings:
  71         # performance (0), balance_performance (4), default (6), balance_power (8), or power (15)
  72         # if the parameter is missing in the config and the hardware supports this setting, the default value will be used
  73         # the default value is `balance_power` (for battery)
  74         # energy_perf_bias = balance_power
  75
  76         # Platform Profiles
  77         # https://www.kernel.org/doc/html/latest/userspace-api/sysfs-platform_profile.html
  78         # See available options by running:
  79         # cat /sys/firmware/acpi/platform_profile_choices
  80         platform_profile = "low-power";
  81
  82         # minimum cpu frequency (in kHz)
  83         # example: for 800 MHz = 800000 kHz --> scaling_min_freq = 800000
  84         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  85         # to use this feature, uncomment the following line and set the value accordingly
  86         # scaling_min_freq = 800000
  87
  88         # maximum cpu frequency (in kHz)
  89         # see conversion info: https://www.rapidtables.com/convert/frequency/mhz-to-hz.html
  90         # example: for 1GHz = 1000 MHz = 1000000 kHz -> scaling_max_freq = 1000000
  91         # to use this feature, uncomment the following line and set the value accordingly
  92         # scaling_max_freq = 1000000
  93
  94         # turbo boost setting. possible values: always, auto, never
  95         turbo = lib.mkDefault "auto";
  96
  97         # experimental
  98
  99         # Add battery charging threshold (currently only available to Lenovo)
 100         # checkout README.md for more info
 101
 102         # enable thresholds true or false
 103         enable_thresholds = lib.mkDefault false;
 104         #
 105         # start threshold (0 is off ) can be 0-99
 106         start_threshold = lib.mkDefault 0;
 107         #
 108         # stop threshold (100 is off) can be 1-100
 109         stop_threshold = lib.mkDefault 100;
 110       };
 111     };
 112   };
 113 }