Module: RbBCC::CPUHelper

Included in:
TableBase
Defined in:
lib/rbbcc/cpu_helper.rb

Class Method Summary collapse

Class Method Details

._read_cpu_range(path) ⇒ Object

formatted like: ‘0,2-4,7-10’



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# 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 ⇒ Object 



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# 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 ⇒ Object 



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# File 'lib/rbbcc/cpu_helper.rb', line 8

def get_possible_cpus
  return _read_cpu_range('/sys/devices/system/cpu/possible')
end