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Versions: 14
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Stored size: 1.91 KB
Contents
# frozen_string_literal: true
module Facter
module Resolvers
module Linux
class Processors < BaseResolver
@log = Facter::Log.new(self)
@semaphore = Mutex.new
@fact_list ||= {}
class << self
# :count
# :models
# :physical_count
private
def post_resolve(fact_name)
@fact_list.fetch(fact_name) { read_cpuinfo(fact_name) }
end
def read_cpuinfo(fact_name)
cpuinfo_output = Util::FileHelper.safe_readlines('/proc/cpuinfo')
return if cpuinfo_output.empty?
read_processors(cpuinfo_output) # + model names
@fact_list[:physical_count] = @fact_list[:physical_processors].uniq.length
@fact_list[:physical_count] = physical_devices_count if @fact_list[:physical_count].zero?
@fact_list[fact_name]
end
def read_processors(cpuinfo_output)
@fact_list[:processors] = 0
@fact_list[:models] = []
@fact_list[:physical_processors] = []
cpuinfo_output.each do |line|
tokens = line.split(':')
count_processors(tokens)
construct_models_list(tokens)
count_physical_processors(tokens)
end
end
def count_processors(tokens)
@fact_list[:processors] += 1 if tokens.first.strip == 'processor'
end
def construct_models_list(tokens)
@fact_list[:models] << tokens.last.strip if tokens.first.strip == 'model name'
end
def count_physical_processors(tokens)
@fact_list[:physical_processors] << tokens.last.strip.to_i if tokens.first.strip == 'physical id'
end
def physical_devices_count
Dir.entries('/sys/devices/system/cpu').count { |dir| dir =~ /cpu[0-9]+$/ }
end
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems