struct Hardware::CPU

• Hardware::CPU
• Struct
• Value
• Object

Overview

CPU related informations of your system.

cpu = Hardware::CPU.new
loop do
  sleep 1
  p cpu.usage!.to_i # => 17
end

Defined in:

Constructors

• .new(number : Int32? = nil, parse_stats : Bool = true)

  Creates a new CPU stat to monitor the given core.

Instance Method Summary

• #guest

  Returns the "guest" stat field.

• #guest_nice

  Returns the "guest_nice" stat field.

• #idle

  Returns the "idle" stat field.

• #idle_total

  Sum of #idle and #iowait.

• #iowait

  Returns the "iowait" stat field.

• #irq

  Returns the "irq" stat field.

• #nice

  Returns the "nice" stat field.

• #number : Int32?

  CPU number.

• #softirq

  Returns the "softirq" stat field.

• #steal

  Returns the "steal" stat field.

• #system

  Returns the "system" stat field.

• #total

  Sum of #used and #idle_total

• #usage(previous_cpu : CPU = self) : Float64

  Returns each CPU usage in percentage based on the previous CPU.

• #usage! : Float64

  Like #usage, but mutates the instance.

• #used

  Sum of #user, #nice, #system, #irq, #softirq and #steal.

• #user

  Returns the "user" stat field.

Constructor Detail

Instance Method Detail

cpu = Hardware::CPU.new
loop do
  sleep 1
  p cpu.usage!.to_i # => 17
end