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119 lines
3.6 KiB
Bash
Executable File
119 lines
3.6 KiB
Bash
Executable File
#! /bin/ksh
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# Copyright (c) 2010, Wikimedia Deutschland
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of Wikimedia Deutschland nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY WIKIMEDIA DEUTSCHLAND ''AS IS'' AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL WIKIMEDIA DEUTSCHLAND BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# NOTE: This software is not released as a product. It was written primarily for
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# Wikimedia Deutschland's own use, and is made public as is, in the hope it may
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# be useful. Wikimedia Deutschland may at any time discontinue developing or
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# supporting this software. There is no guarantee any new versions or even fixes
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# for security issues will be released.
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###
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# Munin plugin to report Solaris memory usage via mdb's memstat.
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# Must be run as root.
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#
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# river@tamara.tcx.org.uk 2010-08-28
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#%# family=auto
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#%# capabilities=autoconf
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if [ "$1" = "autoconf" ]; then
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if [ -e /usr/bin/mdb ]; then
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echo yes
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exit 0
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else
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echo /usr/bin/mdb not found
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exit 1
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fi
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fi
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if [ "$1" = "config" ]; then
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echo '
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graph_args --base 1024 -l 0 --vertical-label Bytes
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graph_title Memory usage
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graph_category system
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graph_info This graph shows system memory use.
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graph_order kernel anon exec cacheused zfs cachefree free
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kernel.label kernel
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kernel.draw AREA
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kernel.info Memory used by kernel
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anon.label anon
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anon.draw STACK
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anon.info Memory used by programs
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exec.label exec_and_libs
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exec.draw STACK
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exec.info Memory used by executable files and libraries
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cacheused.label cacheused
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cacheused.draw STACK
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cacheused.info Memory used by page cache
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zfs.label zfs
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zfs.draw STACK
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zfs.info Memory used for ZFS file cache
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cachefree.label cachefree
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cachefree.draw STACK
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cachefree.info Free memory in cache list
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free.label free
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free.draw STACK
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free.info Free memory
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'
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exit 0
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fi
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echo "::memstat" | mdb -k | nawk '
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BEGIN {
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pagesize='$(getconf PAGESIZE)'
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kernel=0
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zfs=0
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anon=0
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exec=0
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cache=0
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phys=0
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}
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/^Kernel/ { kernel=$2 }
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/^ZFS File Data/ { zfs=$4 }
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/^Anon/ { anon=$2 }
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/^Exec and libs/ { exec=$4 }
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/^Page cache/ { cacheused=$3 }
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/^Free \(cachelist\)/ { cachefree=$3 }
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/^Free \(freelist\)/ { free=$3 }
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END {
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print "kernel.value " (kernel * pagesize)
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print "zfs.value " (zfs * pagesize)
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print "anon.value " (anon * pagesize)
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print "exec.value " (exec * pagesize)
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print "cacheused.value " (cacheused * pagesize)
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print "cachefree.value " (cachefree * pagesize)
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print "free.value " (free * pagesize)
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}
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'
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