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Contents
# Fact: processors
#
# Purpose:
# Provide additional facts about the machine's CPUs, including:
# Models: A list of processors present on the system.
# Count: The number of hardware threads.
# Physicalcount: The number of physical processors.
# Speed: The speed of the processors on the system.
#
# This fact is structured. These values are returned as a group of key-value pairs.
#
# Resolution:
# Linux and kFreeBSD parse `/proc/cpuinfo` for each processor.
# AIX parses the output of `lsdev` for its processor section.
# Solaris parses the output of `kstat` for each processor.
# OpenBSD uses the sysctl variables `hw.model` and `hw.ncpu` for the CPU model
# and the CPU count respectively.
# Darwin utilizes the system profiler to collect the physical CPU count and speed.
#
# Caveats:
# The 'speed' sub-fact is not currently supported on all platforms.
require 'facter/processors/os'
Facter.add(:processors, :type => :aggregate) do
confine do
!os.nil?
end
def os
@os ||= Facter::Processors.implementation
end
chunk(:models) do
processor_hash = {}
processor_list = os.get_processor_list
if processor_list.length > 0
processor_hash["models"] = processor_list
processor_hash
end
end
chunk(:count) do
processor_hash = {}
if (processor_count = os.get_processor_count)
processor_hash["count"] = processor_count
processor_hash
end
end
chunk(:physicalcount) do
processor_hash = {}
if (physical_processor_count = os.get_physical_processor_count)
processor_hash["physicalcount"] = physical_processor_count
processor_hash
end
end
chunk(:speed) do
processor_hash = {}
if (processor_speed = os.get_processor_speed)
processor_hash["speed"] = processor_speed
processor_hash
end
end
end
Version data entries
91 entries across 91 versions & 2 rubygems