module RbBCC::CPUHelper

Public Instance Methods

_read_cpu_range(path) click to toggle source

formatted like: '0,2-4,7-10'

# File lib/rbbcc/cpu_helper.rb, line 13
def _read_cpu_range(path)
  cpus = nil
  File.open(path, 'r') do |f|
    tmp = f.read.split(',').map do |range|
      if range.include?('-')
        start, end_ = *range.split('-')
        (start.to_i..end_.to_i).to_a
      else
        range.to_i
      end
    end
    cpus = tmp.flatten
  end
  cpus
end
get_online_cpus() click to toggle source
# File lib/rbbcc/cpu_helper.rb, line 4
def get_online_cpus
  return _read_cpu_range('/sys/devices/system/cpu/online')
end
get_possible_cpus() click to toggle source
# File lib/rbbcc/cpu_helper.rb, line 8
def get_possible_cpus
  return _read_cpu_range('/sys/devices/system/cpu/possible')
end