/usr/lib/ruby/vendor_ruby/ohai/plugins/openbsd/memory.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:: Mathieu Sauve-Frankel <msf@kisoku.net>
# Copyright:: Copyright (c) 2009 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(:Memory) do
provides "memory", "memory/swap"
collect_data(:openbsd) do
memory Mash.new
memory[:swap] = Mash.new
# $ vmstat -s
# 4096 bytes per page
# 514011 pages managed
# 224519 pages free
# 209339 pages active
# 4647 pages inactive
# 0 pages being paged out
# 5 pages wired
# 0 pages zeroed
# 4 pages reserved for pagedaemon
# 6 pages reserved for kernel
# 262205 swap pages
# 0 swap pages in use
# 0 total anon's in system
# 0 free anon's
# 1192991609 page faults
# 1369579301 traps
# 814549706 interrupts
# 771702498 cpu context switches
# 208810590 fpu context switches
# 492361360 software interrupts
# 1161998825 syscalls
# 0 pagein operations
# 0 swap ins
# 0 swap outs
# 768352 forks
# 16 forks where vmspace is shared
# 1763 kernel map entries
# 0 number of times the pagedaemon woke up
# 0 revolutions of the clock hand
# 0 pages freed by pagedaemon
# 0 pages scanned by pagedaemon
# 0 pages reactivated by pagedaemon
# 0 busy pages found by pagedaemon
# 1096393776 total name lookups
# cache hits (37% pos + 2% neg) system 1% per-directory
# deletions 0%, falsehits 6%, toolong 26%
# 0 select collisions
so = shell_out("vmstat -s")
so.stdout.lines do |line|
case line
when /(\d+) bytes per page/
memory[:page_size] = $1
when /(\d+) pages managed/
memory[:page_count] = $1
memory[:total] = memory[:page_size].to_i * memory[:page_count].to_i
when /(\d+) pages free/
memory[:free] = memory[:page_size].to_i * $1.to_i
when /(\d+) pages active/
memory[:active] = memory[:page_size].to_i * $1.to_i
when /(\d+) pages inactive/
memory[:inactive] = memory[:page_size].to_i * $1.to_i
when /(\d+) pages wired/
memory[:wired] = memory[:page_size].to_i * $1.to_i
end
end
so = shell_out("swapctl -l")
so.stdout.lines do |line|
# Device 1024-blocks Used Avail Capacity Priority
# swap_device 1048824 0 1048824 0% 0
if line =~ /^([\d\w\/]+)\s+(\d+)\s+(\d+)\s+(\d+)\s+([\d\%]+)/
mdev = $1
memory[:swap][mdev] = Mash.new
memory[:swap][mdev][:total] = $2
memory[:swap][mdev][:used] = $3
memory[:swap][mdev][:free] = $4
memory[:swap][mdev][:percent_free] = $5
end
end
end
end
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