Class: Knj::Nvidia_settings

Inherits:
Object show all
Defined in:
lib/knj/nvidia_settings.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data = {}) ⇒ Nvidia_settings

Returns a new instance of Nvidia_settings.



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# File 'lib/knj/nvidia_settings.rb', line 4

def initialize(data = {})
  @data = data
  @power_mizer_modes = {
    "adaptive" => 0,
    "performance" => 1
  }
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/knj/nvidia_settings.rb', line 2

def data
  @data
end

Class Method Details

.list(args = {}) ⇒ Object 



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# File 'lib/knj/nvidia_settings.rb', line 12

def self.list(args = {})
  res = Knj::Os.shellcmd("nvidia-settings -q gpus")
  ret = []
  
  res.scan(/\[gpu:(\d+)\]/) do |gpu|
    ret << Knj::Nvidia_settings.new(args.merge({
      "gpu_no" => gpu[0]
    }))
  end
  
  return ret
end

Instance Method Details

#extra_args ⇒ Object 



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# File 'lib/knj/nvidia_settings.rb', line 36

def extra_args
  str = ""
  
  if @data["display"]
    str << " --display #{@data["display"]}"
  end
  
  return str
end

#power_mizer_mode=(newval) ⇒ Object 



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# File 'lib/knj/nvidia_settings.rb', line 25

def power_mizer_mode=(newval)
  raise "No such power-mizer-mode." if @power_mizer_modes[newval] == nil
  
  cmd = "nvidia-settings -a [gpu:#{@data["gpu_no"]}]/GPUPowerMizerMode=#{@power_mizer_modes[newval]}"
  res = Knj::Os.shellcmd(cmd)
  
  if res.index("assigned value") == nil
    raise res.strip
  end
end