Method: Duffy::System.cpu_percent

Defined in:
lib/duffy/system.rb

.cpu_percent ⇒ Object

The system’s current CPU utilization. Darwin: Get a list of all processes’ CPU percentage and add them up. Linux: Read /proc/stat twice and take the difference to give cpu time used in that interval.



62
63
64
65
66
67
68
69
70
 
# File 'lib/duffy/system.rb', line 62

def cpu_percent
  case RUBY_PLATFORM
    when /darwin/ then `ps -A -o %cpu`.lines.map(&:to_f).inject(:+) / threads
    when /linux/  then proc_diff
    else 0
  end
rescue
  0
end