mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
128 lines
2.8 KiB
Bash
Executable file
128 lines
2.8 KiB
Bash
Executable file
#!/bin/bash
|
|
|
|
: << =cut
|
|
|
|
=head1 NAME
|
|
|
|
interrupts - Munin plugin to monitor Solaris cpu interrupts and context switches
|
|
|
|
=head1 CONFIGURATION
|
|
|
|
Make symlink:
|
|
cd /path/to/munin/etc/plugins
|
|
ln -s /path/to/munin/lib/plugins/interrupts .
|
|
|
|
=head1 AUTHOR
|
|
|
|
K.Cima https://github.com/shakemid
|
|
|
|
=head1 LICENSE
|
|
|
|
GPLv2
|
|
|
|
=head1 Magic markers
|
|
|
|
#%# family=contrib
|
|
#%# capabilities=autoconf
|
|
|
|
=cut
|
|
|
|
# Include plugin.sh
|
|
. "${MUNIN_LIBDIR:-}/plugins/plugin.sh"
|
|
|
|
# Shell options
|
|
set -o nounset # Like perl use strict;
|
|
|
|
# Graph settings
|
|
global_attr="
|
|
graph_title Interrupts and context switches
|
|
graph_category system
|
|
graph_args --base 1000 --lower-limit 0 --rigid
|
|
graph_vlabel count per second
|
|
graph_info Interrupts and context switches
|
|
|
|
rw_wrfails.graph no
|
|
rw_rdfails.cdef rw_rdfails,rw_wrfails,+
|
|
"
|
|
# data_attr format: field type draw label
|
|
# label can contain white-spaces.
|
|
data_attr="
|
|
intr DERIVE LINE interrupts
|
|
intrthread DERIVE LINE interrupts as threads
|
|
pswitch DERIVE LINE context switches
|
|
inv_swtch DERIVE LINE involuntary context switches
|
|
cpumigrate DERIVE LINE thread migrations
|
|
xcalls DERIVE LINE inter-processor cross-calls
|
|
mutex_adenters DERIVE LINE spins on mutexes
|
|
rw_rdfails DERIVE LINE spins on r/w locks
|
|
rw_wrfails DERIVE LINE dummy
|
|
syscall DERIVE LINE system calls
|
|
trap DERIVE LINE traps
|
|
"
|
|
# They can be shown by vmstat -s or mpstat
|
|
|
|
# Functions
|
|
|
|
autoconf() {
|
|
if which kstat >/dev/null ; then
|
|
echo yes
|
|
else
|
|
echo "no (failed to find executable 'kstat')"
|
|
fi
|
|
}
|
|
|
|
config() {
|
|
local label_max_length=45
|
|
|
|
# print global attributes
|
|
echo "$global_attr" | sed -e 's/^ *//' -e '/^$/d'
|
|
|
|
# print data source attributes
|
|
# split line into field,type,draw,label
|
|
local field type draw label
|
|
echo "$data_attr" | while read -r field type draw label
|
|
do
|
|
[ -z "$field" ] && continue
|
|
|
|
echo "${field}.type ${type}"
|
|
echo "${field}.draw ${draw}"
|
|
echo "${field}.label ${label:0:${label_max_length}}"
|
|
if [ "${type}" = DERIVE ]; then
|
|
echo "${field}.min 0"
|
|
fi
|
|
done
|
|
}
|
|
|
|
fetch() {
|
|
local field type draw label
|
|
echo "$data_attr" | while read -r field type draw label
|
|
do
|
|
[ -z "$field" ] && continue
|
|
|
|
# kstat output example:
|
|
# $ kstat -p cpu::sys:intr
|
|
# cpu:0:sys:intr 5728473528
|
|
# cpu:1:sys:intr 1060016014
|
|
# cpu:2:sys:intr 1297441213
|
|
# ...
|
|
value=$( kstat -p "cpu::sys:${field}" | awk '{ sum += $2 } END { print sum }' )
|
|
|
|
echo "${field}.value ${value}"
|
|
done
|
|
}
|
|
|
|
# Main
|
|
case ${1:-} in
|
|
autoconf)
|
|
autoconf
|
|
;;
|
|
config)
|
|
config
|
|
[ "${MUNIN_CAP_DIRTYCONFIG:-}" = "1" ] && fetch
|
|
;;
|
|
*)
|
|
fetch
|
|
;;
|
|
esac
|
|
|
|
exit 0
|