109 lines
2.0 KiB
Bash
Executable File
109 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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: << =cut
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=head1 NAME
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forks - Munin plugin to monitor Solaris fork and exec rate
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=head1 CONFIGURATION
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Make symlink:
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cd /path/to/munin/etc/plugins
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ln -s /path/to/munin/lib/plugins/forks .
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=head1 AUTHOR
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K.Cima https://github.com/shakemid
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=head1 LICENSE
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GPLv2
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=head1 Magic markers
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#%# family=contrib
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#%# capabilities=autoconf
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=cut
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# Include plugin.sh
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. "${MUNIN_LIBDIR:-}/plugins/plugin.sh"
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# Shell options
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set -o nounset # Like perl use strict;
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# Graph settings
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global_attr="
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graph_title Fork and exec rate
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graph_category processes
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graph_args --base 1000 --lower-limit 0 --rigid
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graph_vlabel count per second
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graph_info Fork and exec rate
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"
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# data_attr format: field type draw label
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# label can contain white-spaces.
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data_attr="
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sysfork DERIVE LINE fork
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sysvfork DERIVE LINE vfork
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sysexec DERIVE LINE exec
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"
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# Functions
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autoconf() {
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if which kstat >/dev/null ; then
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echo yes
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else
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echo "no (failed to find executable 'kstat')"
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fi
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}
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config() {
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local label_max_length=45
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# print global attributes
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echo "$global_attr" | sed -e 's/^ *//' -e '/^$/d'
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# print data source attributes
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# split line into field,type,draw,label
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local field type draw label
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echo "$data_attr" | while read -r field type draw label
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do
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[ -z "$field" ] && continue
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echo "${field}.type ${type}"
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echo "${field}.draw ${draw}"
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echo "${field}.label ${label:0:${label_max_length}}"
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if [ "${type}" = DERIVE ]; then
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echo "${field}.min 0"
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fi
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done
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}
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fetch() {
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local field type draw label
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echo "$data_attr" | while read -r field type draw label
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do
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[ -z "$field" ] && continue
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value=$( kstat -p "cpu::sys:${field}" | awk '{ sum += $2 } END { print sum }' )
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echo "${field}.value ${value}"
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done
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}
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# Main
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case ${1:-} in
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autoconf)
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autoconf
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;;
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config)
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config
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if [ "${MUNIN_CAP_DIRTYCONFIG:-0}" = "1" ]; then fetch; fi
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;;
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*)
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fetch
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;;
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esac
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exit 0
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