Sha256: 44d267f52694b1e1b05a3903a57369a00159e664df6c5e85e4a3fca10ecb2b85
Contents?: true
Size: 765 Bytes
Versions: 6
Compression:
Stored size: 765 Bytes
Contents
module Celluloid
module CPUCounter
class << self
def cores
@cores ||= count_cores
end
private
def count_cores
result = from_env || from_sysdev || from_sysctl
Integer(result.to_s[/\d+/], 10) if result
end
def from_env
result = ENV['NUMBER_OF_PROCESSORS']
result if result
end
def from_sysdev
::IO.read('/sys/devices/system/cpu/present').split('-').last.to_i + 1
rescue Errno::ENOENT
result = Dir['/sys/devices/system/cpu/cpu*'].count { |n| n =~ /cpu\d+/ }
result unless result.zero?
end
def from_sysctl
result = `sysctl -n hw.ncpu`
result if $?.success?
rescue Errno::ENOENT
end
end
end
end
Version data entries
6 entries across 4 versions & 4 rubygems