Sha256: 17ac5ffc76d8dd1d8de85feb1803b695fb1d72426fab339c9dd498347aa1af13
Contents?: true
Size: 1.5 KB
Versions: 14
Compression:
Stored size: 1.5 KB
Contents
# encoding: utf-8
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/rpm/blob/master/LICENSE for complete details.
# This module is intended to provide access to information about the host OS and
# [virtual] machine. It intentionally does no caching and maintains no state -
# caching should be handled by clients if needed. Methods should return nil if
# the requested information is unavailable.
require 'rbconfig'
module NewRelic
module Agent
module SystemInfo
def self.ruby_os_identifier
RbConfig::CONFIG['target_os']
end
def self.processor_count
case ruby_os_identifier
when /darwin/, /freebsd/
`sysctl -n hw.ncpu`.to_i
when /linux/
cpuinfo = ''
proc_file = '/proc/cpuinfo'
File.open(proc_file) do |f|
loop do
begin
cpuinfo << f.read_nonblock(4096).strip
rescue EOFError
break
rescue Errno::EWOULDBLOCK, Errno::EAGAIN
cpuinfo = ''
break # don't select file handle, just give up
end
end
end
processors = cpuinfo.split("\n").select {|line| line =~ /^processor\s*:/ }.size
processors == 0 ? nil : processors
end
rescue
nil
end
def self.processor_arch
RbConfig::CONFIG['target_cpu']
end
def self.os_version
`uname -v` rescue nil
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems