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Merge pull request #53301 from cdepillabout/remove-cpufreqgov-alias

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nixos/cpufreq: Remove the alias to set the cpu frequency governor
This commit is contained in:
Silvan Mosberger 2019-01-03 17:47:53 +01:00 committed by GitHub
commit 2b1c9fd8a7
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5 changed files with 33 additions and 41 deletions
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10
nixos/doc/manual/release-notes/rl-1903.xml
View File

@ -408,16 +408,6 @@
from nixpkgs due to the lack of maintainers.
</para>
</listitem>
<listitem>
<para>
The <option>powerManagement.cpuFreqGovernor</option> option has been
aliased to <option>powerManagement.cpufreq.governor</option>. On laptops,
<option>powerManagement.cpuFreqGovernor</option> is sometimes set in
<literal>/etc/nixos/hardware-configuration.nix</literal>, so you can
rename it to the new name, or run
<literal>nixos-generate-config</literal> again.
</para>
</listitem>
</itemizedlist>
</section>
</section>

2
nixos/modules/installer/tools/nixos-generate-config.pl
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@ -104,7 +104,7 @@ if (-e "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors") {
foreach $e (@desired_governors) {
if (index($governors, $e) != -1) {
last if (push @attrs, "powerManagement.cpufreq.governor = lib.mkDefault \"$e\";");
last if (push @attrs, "powerManagement.cpuFreqGovernor = lib.mkDefault \"$e\";");
}
}
}

3
nixos/modules/rename.nix
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@ -286,9 +286,6 @@ with lib;
(mkRenamedOptionModule [ "hardware" "ckb" "enable" ] [ "hardware" "ckb-next" "enable" ])
(mkRenamedOptionModule [ "hardware" "ckb" "package" ] [ "hardware" "ckb-next" "package" ])
# cpufeq
(mkAliasOptionModule [ "powerManagement" "cpuFreqGovernor" ] [ "powerManagement" "cpufreq" "governor" ])
] ++ (flip map [ "blackboxExporter" "collectdExporter" "fritzboxExporter"
"jsonExporter" "minioExporter" "nginxExporter" "nodeExporter"
"snmpExporter" "unifiExporter" "varnishExporter" ]

2
nixos/modules/services/hardware/tlp.nix
View File

@ -55,7 +55,7 @@ in
config = mkIf cfg.enable {
powerManagement.scsiLinkPolicy = null;
powerManagement.cpufreq.governor = null;
powerManagement.cpuFreqGovernor = null;
powerManagement.cpufreq.max = null;
powerManagement.cpufreq.min = null;

57
nixos/modules/tasks/cpu-freq.nix
View File

@ -4,44 +4,49 @@ with lib;
let
cpupower = config.boot.kernelPackages.cpupower;
cfg = config.powerManagement.cpufreq;
cfg = config.powerManagement;
in
{
###### interface
options.powerManagement.cpufreq = {
options.powerManagement = {
governor = mkOption {
# TODO: This should be aliased to powerManagement.cpufreq.governor.
# https://github.com/NixOS/nixpkgs/pull/53041#commitcomment-31825338
cpuFreqGovernor = mkOption {
type = types.nullOr types.str;
default = null;
example = "ondemand";
description = ''
Configure the governor used to regulate the frequence of the
available CPUs. By default, the kernel configures the
performance governor, although this may be overwriten in your
performance governor, although this may be overwritten in your
hardware-configuration.nix file.
Often used values: "ondemand", "powersave", "performance"
'';
};
max = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
example = 2200000;
description = ''
The maximum frequency the CPU will use. Defaults to the maximum possible.
'';
};
cpufreq = {
min = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
example = 800000;
description = ''
The minimum frequency the CPU will use.
'';
max = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
example = 2200000;
description = ''
The maximum frequency the CPU will use. Defaults to the maximum possible.
'';
};
min = mkOption {
type = types.nullOr types.ints.unsigned;
default = null;
example = 800000;
description = ''
The minimum frequency the CPU will use.
'';
};
};
};
@ -51,16 +56,16 @@ in
config =
let
governorEnable = cfg.governor != null;
maxEnable = cfg.max != null;
minEnable = cfg.min != null;
governorEnable = cfg.cpuFreqGovernor != null;
maxEnable = cfg.cpufreq.max != null;
minEnable = cfg.cpufreq.min != null;
enable =
!config.boot.isContainer &&
(governorEnable || maxEnable || minEnable);
in
mkIf enable {
boot.kernelModules = optional governorEnable "cpufreq_${cfg.governor}";
boot.kernelModules = optional governorEnable "cpufreq_${cfg.cpuFreqGovernor}";
environment.systemPackages = [ cpupower ];
@ -74,9 +79,9 @@ in
Type = "oneshot";
RemainAfterExit = "yes";
ExecStart = "${cpupower}/bin/cpupower frequency-set " +
optionalString governorEnable "--governor ${cfg.governor} " +
optionalString maxEnable "--max ${toString cfg.max} " +
optionalString minEnable "--min ${toString cfg.min} ";
optionalString governorEnable "--governor ${cfg.cpuFreqGovernor} " +
optionalString maxEnable "--max ${toString cfg.cpufreq.max} " +
optionalString minEnable "--min ${toString cfg.cpufreq.min} ";
SuccessExitStatus = "0 237";
};
};