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#!/usr/bin/sh
# -*- sh -*-
set -e
: << =cut
=head1 NAME
processes - Plugin to monitor processes and process states.
=head1 ABOUT
This plugin requires munin-server version 1.2.5 or 1.3.3 (or higher).
This plugin is backwards compatible with the old processes-plugins found on
SunOS, Linux and *BSD (i.e. the history is preserved).
All fields have colours associated with them which reflect the type of process
(sleeping/idle = blue, running = green, stopped/zombie/dead = red, etc.)
=head1 CONFIGURATION
No configuration for this plugin.
=head1 AUTHOR
Copyright (C) 2006 Lars Strand
=head1 LICENSE
GNU General Public License, version 2
=begin comment
This file is part of Munin.
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; version 2 dated June, 1991.
This program is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
Street, Fifth Floor, Boston, MA 02110-1301 USA.
=end comment
=head1 MAGIC MARKERS
=begin comment
These magic markers are used by munin-node-configure when installing
munin-node.
=end comment
#%# family=auto
#%# capabilities=autoconf
=cut
# Search for program in $PATH unless predefined.
awk=${awk:-awk}
ps=${ps:-ps}
# Find operating system
OPERSYS=${OPERSYS:-$(uname | cut -f 1 -d _)}
[ -z "$OPERSYS" ] && echo >&2 "Failed to detect environment via uname" && exit 1
if [ "$1" = "autoconf" ]; then
case "$OPERSYS" in
Linux|SunOS|FreeBSD|OpenBSD|NetBSD|Darwin|CYGWIN)
if ! "$ps" >/dev/null 2>/dev/null; then
echo "no (ps=$ps failed)"
elif ! echo | "$awk" '{ print "Hei" }' >/dev/null 2>/dev/null; then
echo "no (awk=$awk failed)"
else
echo yes
fi
exit 0
;;
*)
echo "no (unknown OS)"
exit 0
;;
esac
fi
. "$MUNIN_LIBDIR/plugins/plugin.sh"
# Define colours
RUNNABLE='22ff22' # Green
SLEEPING='0022ff' # Blue
STOPPED='cc0000' # Darker red
ZOMBIE='990000' # Darkest red
UNINTERRUPTIBLE='ffa500' # Orange
IDLE='4169e1' # Royal blue
PAGING='00aaaa' # Darker turquoise
INTERRUPT='ff00ff' # Fuchsia
LOCK='ff3333' # Lighter red
RUNNING='00ff7f' # Spring green
DEAD='ff0000' # Red
SUSPENDED='ff1493' # Deep pink
TOTAL='c0c0c0' # Silver
# Taken from ps(1)
# R - Linux, SunOS, FreeBSD, OpenBSD, NetBSD, OSX, HP-UX (runable)
# S - Linux, SunOS, FreeBSD*, OpenBSD*, NetBSD*, OSX*, HP-UX (sleeping)
# T - Linux, SunOS, FreeBSD, OpenBSD, NetBSD, OSX, HP-UX (stopped)
# Z - Linux, SunOS, FreeBSD, OpenBSD, NetBSD, OSX, HP-UX (zombie/terminated)
# D - Linux, FreeBSD, OpenBSD, NetBSD (uninterruptible)
# I - FreeBSD, OpenBSD, NetBSD, OSX, HP-UX (idle/intermediate)
# W - Linux*, FreeBSD*, HP-UX (paging/interrupt/waiting)
# L - FreeBSD (lock)
# O - SunOS (running)
# X - Linux, HP-UX* (dead)
# U - OSX, NetBSD* (uninterruptible/suspended)
# 0 - HP-UX (nonexistent)
# *) Differ meaning
if [ "$1" = "config" ]; then
echo "graph_title Processes"
echo "graph_info This graph shows the number of processes"
echo "graph_category processes"
echo "graph_args --base 1000 -l 0"
echo "graph_vlabel Number of processes"
# OS specific flags
if [ "$OPERSYS" = "Linux" ]; then
echo "graph_order sleeping idle stopped zombie dead paging uninterruptible runnable processes"
echo "dead.label dead"
echo "dead.draw STACK"
echo "dead.colour $DEAD"
echo "dead.info The number of dead processes."
print_warning dead
print_critical dead
echo "paging.label paging"
echo "paging.draw STACK"
echo "paging.colour $PAGING"
echo "paging.info The number of paging processes (<2.6 kernels only)."
print_warning paging
print_critical paging
elif [ "$OPERSYS" = "SunOS" ]; then
echo "graph_order sleeping stopped zombie runnable running total"
echo "running.label running"
echo "running.draw STACK"
echo "running.colour $RUNNING"
echo "running.info The number of processes that are running on a processor."
print_warning running
print_critical running
# Be backwards compatible.
echo "total.label total"
echo "total.draw LINE1"
echo "total.colour $TOTAL"
echo "total.info The total number of processes."
print_warning total
print_critical total
elif [ "$OPERSYS" = "FreeBSD" ]; then
echo "graph_order sleeping idle stopped zombie lock uninterruptible interrupt runnable processes"
echo "lock.label lock"
echo "lock.draw STACK"
echo "lock.colour $LOCK"
echo "lock.info The number of processes that are waiting to acquire a lock."
print_warning lock
print_critical lock
echo "interrupt.label interrupt"
echo "interrupt.draw STACK"
echo "interrupt.colour $INTERRUPT"
echo "interrupt.info The number of idle interrupt threads."
print_warning interrupt
print_critical interrupt
elif [ "$OPERSYS" = "OpenBSD" ]; then
echo "graph_order sleeping idle stopped zombie uninterruptible runnable processes"
elif [ "$OPERSYS" = "NetBSD" ]; then
echo "graph_order sleeping idle stopped zombie uninterruptible suspended runnable processes"
echo "suspended.label suspended"
echo "suspended.draw STACK"
echo "suspended.colour $SUSPENDED"
echo "suspended.info The number of processes that are suspended."
print_warning suspended
print_critical suspended
elif [ "$OPERSYS" = "Darwin" ]; then
echo "graph_order sleeping idle stopped zombie uninterruptible running processes"
echo "uninterruptible.label uninterruptible"
echo "uninterruptible.draw STACK"
echo "uninterruptible.colour $UNINTERRUPTIBLE"
echo "uninterruptible.info The number of uninterruptible processes (usually IO)."
print_warning uninterruptible
print_critical uninterruptible
elif [ "$OPERSYS" = "HP-UX" ]; then
echo "graph_order sleeping intermediate stopped terminated waiting growing nonexistent runnable processes"
echo "waiting.label waiting"
echo "waiting.draw STACK"
echo "waiting.colour $INTERRUPT"
echo "waiting.info The number of waiting processes."
print_warning waiting
print_critical waiting
echo "terminated.label terminated"
echo "terminated.draw STACK"
echo "terminated.colour $ZOMBIE"
echo "terminated.info The number of processes that are terminated."
print_warning terminated
print_critical terminated
echo "growing.label growing"
echo "growing.draw STACK"
echo "growing.colour $RUNNING"
echo "growing.info The number of growing processes."
print_warning growing
print_critical growing
echo "intermediate.label intermediate"
echo "intermediate.draw STACK"
echo "intermediate.colour $IDLE"
echo "intermediate.info The number of intermediate processes."
print_warning intermediate
print_critical intermediate
echo "nonexistent.label nonexistent"
echo "nonexistent.draw STACK"
echo "nonexistent.colour $LOCK"
echo "nonexistent.info The number of nonexistent processes."
print_warning nonexistent
print_critical nonexistent
fi
# Common flags for some OS
if [ "$OPERSYS" = "FreeBSD" ] || [ "$OPERSYS" = "OpenBSD" ] ||
[ "$OPERSYS" = "NetBSD" ] || [ "$OPERSYS" = "Darwin" ]; then
echo "idle.label idle"
echo "idle.draw STACK"
echo "idle.colour $IDLE"
echo "idle.info The number of processes that are idle (sleeping for longer than about 20 seconds)."
print_warning idle
print_critical idle
echo "sleeping.label sleeping"
echo "sleeping.draw AREA"
echo "sleeping.colour $SLEEPING"
echo "sleeping.info The number of processes that are sleeping for less than about 20 seconds."
print_warning sleeping
print_critical sleeping
elif [ "$OPERSYS" = "Linux" ]; then
echo "idle.label idle"
echo "idle.draw STACK"
echo "idle.colour $IDLE"
echo "idle.info The number of idle kernel threads (>= 4.2 kernels only)."
print_warning idle
print_critical idle
echo "sleeping.label sleeping"
echo "sleeping.draw AREA"
echo "sleeping.colour $SLEEPING"
echo "sleeping.info The number of sleeping processes."
print_warning sleeping
print_critical sleeping
elif [ "$OPERSYS" = "SunOS" ] || [ "$OPERSYS" = "HP-UX" ]; then
echo "sleeping.label sleeping"
echo "sleeping.draw AREA"
echo "sleeping.colour $SLEEPING"
echo "sleeping.info The number of sleeping processes."
print_warning sleeping
print_critical sleeping
fi
if [ "$OPERSYS" = "Linux" ] || [ "$OPERSYS" = "FreeBSD" ] ||
[ "$OPERSYS" = "OpenBSD" ] || [ "$OPERSYS" = "NetBSD" ]; then
echo "uninterruptible.label uninterruptible"
echo "uninterruptible.draw STACK"
echo "uninterruptible.colour $UNINTERRUPTIBLE"
echo "uninterruptible.info The number of uninterruptible processes (usually IO)."
print_warning uninterruptible
print_critical uninterruptible
fi
# Common (non-cygwin) flags
if [ "$OPERSYS" != "CYGWIN" ]; then
echo "stopped.label stopped"
echo "stopped.draw STACK"
echo "stopped.colour $STOPPED"
echo "stopped.info The number of stopped or traced processes."
print_warning stopped
print_critical stopped
echo "runnable.label runnable"
echo "runnable.draw STACK"
echo "runnable.colour $RUNNABLE"
echo "runnable.info The number of runnable processes (on the run queue)."
print_warning runnable
print_critical runnable
fi
if [ "$OPERSYS" != "CYGWIN" ] && [ "$OPERSYS" != "HP-UX" ]; then
echo "zombie.label zombie"
echo "zombie.draw STACK"
echo "zombie.colour $ZOMBIE"
echo "zombie.info The number of defunct ('zombie') processes (process terminated and parent not waiting)."
print_warning zombie
print_critical zombie
fi
if [ "$OPERSYS" != "SunOS" ]; then
# Not using 'graph_total' due to backwards compability. SunOS uses 'total'.
#echo 'graph_total total'
echo "processes.label total"
echo "processes.draw LINE1"
echo "processes.colour $TOTAL"
echo "processes.info The total number of processes."
print_warning processes
print_critical processes
fi
exit 0
fi
if [ "$OPERSYS" = "Linux" ]; then
# shellcheck disable=SC2016
"$ps" --no-header -eo s | "$awk" '
{ processes++; stat[$1]++ }
END {
print "processes.value " 0+processes;
print "uninterruptible.value " 0+stat["D"];
print "runnable.value " 0+stat["R"];
print "sleeping.value " 0+stat["S"];
print "idle.value " 0+stat["I"];
print "stopped.value " 0+stat["T"];
print "paging.value " 0+stat["W"];
print "dead.value " 0+stat["X"];
print "zombie.value " 0+stat["Z"];
}'
elif [ "$OPERSYS" = "SunOS" ]; then
# shellcheck disable=SC2016
"$ps" -e -o s | "$awk" '
{ total++; stat[$1]++ }
END {
print "total.value " 0+total;
print "running.value " 0+stat["O"];
print "sleeping.value " 0+stat["S"];
print "runnable.value " 0+stat["R"];
print "stopped.value " 0+stat["T"];
print "zombie.value " 0+stat["Z"];
}'
elif [ "$OPERSYS" = "FreeBSD" ]; then
# shellcheck disable=SC2016
"$ps" -axo state= | sed -e 's/^\(.\).*/\1/' | "$awk" '
{ processes++; stat[$1]++ }
END {
print "processes.value " 0+processes;
print "uninterruptible.value " 0+stat["D"];
print "idle.value " 0+stat["I"];
print "lock.value " 0+stat["G"];
print "runnable.value " 0+stat["R"];
print "sleeping.value " 0+stat["S"];
print "stopped.value " 0+stat["T"];
print "interrupt.value " 0+stat["W"];
print "zombie.value " 0+stat["Z"];
}'
elif [ "$OPERSYS" = "OpenBSD" ]; then
# First line is header. Remove it.
# shellcheck disable=SC2016
"$ps" -axo state= | sed '1d' | sed -e 's/^\(.\).*/\1/' | "$awk" '
{ processes++; stat[$1]++ }
END {
print "processes.value " 0+processes;
print "uninterruptible.value " 0+stat["D"];
print "idle.value " 0+stat["I"];
print "runnable.value " 0+stat["R"];
print "sleeping.value " 0+stat["S"];
print "stopped.value " 0+stat["T"];
print "zombie.value " 0+stat["Z"];
}'
elif [ "$OPERSYS" = "NetBSD" ]; then
# First line is header. Remove it.
# shellcheck disable=SC2016
"$ps" -axo state= | sed '1d' | sed -e 's/^\(.\).*/\1/' | "$awk" '
{ processes++; stat[$1]++ }
END {
print "processes.value " 0+processes;
print "uninterruptible.value " 0+stat["D"];
print "idle.value " 0+stat["I"];
print "suspended.value " 0+stat["U"];
print "runnable.value " 0+stat["R"];
print "sleeping.value " 0+stat["S"];
print "stopped.value " 0+stat["T"];
print "zombie.value " 0+stat["Z"];
}'
elif [ "$OPERSYS" = "Darwin" ]; then
# First line is header. Remove it.
# shellcheck disable=SC2016
"$ps" -axo state= | sed '1d' | sed -e 's/^\(.\).*/\1/' | "$awk" '
{ processes++; stat[$1]++ }
END {
print "processes.value " 0+processes;
print "uninterruptible.value " 0+stat["U"];
print "idle.value " 0+stat["I"];
print "runnable.value " 0+stat["R"];
print "sleeping.value " 0+stat["S"];
print "stopped.value " 0+stat["T"];
print "zombie.value " 0+stat["Z"];
}'
elif [ "$OPERSYS" = "CYGWIN" ]; then
# First line is header. Remove it. Also remove WINPID duplicates.
# shellcheck disable=SC2016
"$ps" -aW | sed '1d' | cut -c 30-36 | sort -u | "$awk" '
{ processes++; }
END {
print "processes.value " 0+processes;
}'
elif [ "$OPERSYS" = "HP-UX" ]; then
# First line is header. Remove it.
# shellcheck disable=SC2016
"$ps" -el | sed '1d' | "$awk" '{print $2}' | "$awk" '
{ processes++; stat[$1]++ }
END {
print "processes.value " 0+processes;
print "nonexistent.value " 0+stat["0"];
print "sleeping.value " 0+stat["S"];
print "waiting.value " 0+stat["W"];
print "runnable.value " 0+stat["R"];
print "intermediate.value " 0+stat["I"];
print "terminated.value " 0+stat["Z"];
print "stopped.value " 0+stat["T"];
print "growing.value " 0+stat["X"];
}'
fi