1#@!#!123s

: / opt / td-agent / embedded / lib / ruby / gems / 2.1.0 / gems / ohai-6.20.0 / lib / ohai / plugins / freebsd /
Filename : cpu.rb
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#
# Author:: Bryan McLellan (btm@loftninjas.org)
# Copyright:: Copyright (c) 2008 Bryan McLellan
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

provides "cpu"

# all dmesg output for smp I can find only provides info about a single processor
# identical processors is probably a hardware requirement so we'll duplicate data for each cpu
# old examples: http://www.bnv-bamberg.de/home/ba3294/smp/rbuild/index.htm
cpuinfo = Mash.new

# /var/run/dmesg.boot
#CPU: QEMU Virtual CPU version 0.9.1 (1862.02-MHz 686-class CPU)
#  Origin = "GenuineIntel"  Id = 0x623  Stepping = 3
#  Features=0x78bfbfd<FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2>
#  Features2=0x80000001<SSE3,<b31>>

File.open("/var/run/dmesg.boot").each do |line|
  case line
  when /CPU:\s+(.+) \(([\d.]+).+\)/
    cpuinfo["model_name"] = $1
    cpuinfo["mhz"] = $2
  when /Origin = "(.+)"\s+Id = (.+)\s+Stepping = (.+)/
    cpuinfo["vendor_id"] = $1
    cpuinfo["stepping"] = $3
  # These _should_ match /AMD Features2?/ lines as well 
  when /Features=.+<(.+)>/
    cpuinfo["flags"] = $1.downcase.split(',')
  # Features2=0x80000001<SSE3,<b31>>
  when /Features2=[a-f\dx]+<(.+)>/
    cpuinfo["flags"].concat($1.downcase.split(','))
  when /Logical CPUs per core: (\d+)/
    cpuinfo["cores"] = $1
  end
end

cpu cpuinfo
cpu[:total] = from("sysctl -n hw.ncpu")