Class: SystemInformation::Linux::CPU

Inherits:
Object
  • Object
show all
Defined in:
lib/systeminformation/linux/cpu.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CPU

Returns a new instance of CPU.



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# File 'lib/systeminformation/linux/cpu.rb', line 4

def initialize
  @prev_data = read_data
end

Instance Method Details

#utilization ⇒ Object 



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# File 'lib/systeminformation/linux/cpu.rb', line 8

def utilization
  new_data = read_data
  returnhash = {}
  new_data.keys.each do |key|
    difference = @prev_data[key].zip(new_data[key]).map{|i| i[1].to_f - i[0].to_f}
    difference
    sum = difference.inject{|a,b| a+b}

    difference.map!{|i| i/sum}.map!{|i| i.nan? ? 0 : i}
    returnhash[key] = {
      :user => difference[0],
      :nice => difference[1],
      :system => difference[2],
      :idle => difference[3],
      :running => difference[4],
      :iowait => difference[5],
      :irq => difference[6],
      :softirq => difference[7]
    }
  end
  @prev_data = new_data
  return returnhash
end