/usr/lib/ruby/vendor_ruby/ohai/plugins/freebsd/cpu.rb is in ohai 8.4.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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.
#
Ohai.plugin(:CPU) do
provides "cpu"
collect_data(:freebsd) do
# 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
cpuinfo["flags"] = []
# /var/run/dmesg.boot
# CPU: Intel(R) Core(TM) i7-3615QM CPU @ 2.30GHz (3516.61-MHz K8-class CPU)
# Origin = "GenuineIntel" Id = 0x306a9 Family = 6 Model = 3a Stepping = 9
# Features=0x783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2>
# Features2=0x209<SSE3,MON,SSSE3>
# AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
# AMD Features2=0x1<LAHF>
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"].concat($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"] = $1
end
end
cpu cpuinfo
so = shell_out("sysctl -n hw.ncpu")
cpu[:total] = so.stdout.split($/)[0].to_i
end
end
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