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Diffstat (limited to 'files/munin/vserver_cpu_')
| -rwxr-xr-x | files/munin/vserver_cpu_ | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/files/munin/vserver_cpu_ b/files/munin/vserver_cpu_ new file mode 100755 index 0000000..981f262 --- /dev/null +++ b/files/munin/vserver_cpu_ @@ -0,0 +1,190 @@ +#!/bin/sh +# +# Copyright (C) 2006-2008 Holger Levsen and Micah Anderson +# +# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Graph Vserver cpu usage stats +# +# Configuration variables +# vservers - specify the vservers to include in the graph (default: all) +# +# NOTE: If no configuration variable is set, the default will be used +# +# see vserver_resources for example uses of configuration files +# +# or links to define what to monitor: +# vserver_cpu_ -> monitor cpu usage of all vservers on all cpus +# vserver_hold_ -> monitor hold on all vservers on all cpus +# vserver_hold_0 -> monitor hold on all vservers on cpu0 +# vserver_hold_1 -> monitor hold on all vservers on cpu1 +# vserver_hold_foo -> monitor hold on all cpus on vserver named foo +# vserver_sys_foo -> monitor cpu usage on all cpus on vserver named foo + +# Changelog +# version 0.2 - 2006 October 02 Holger Levsen <debian@layer-acht.org> +# - label fixed: we measure jiffies not seconds +# - Fix error that results if NodeName is set to include a domain name +# - Fix hypens in NodeNames, replace them with underscores +# - whitespace cleanup +# version 0.3 - 2006 October 07 Holger Levsen <debian@layer-acht.org> +# - rewrite of vserver_usercpu +# - smp-aware +# - can display hold too (third value in the cpu line(s) of /proc/virtual/<xid>/sched) +# - no seperation between user and system cpu anymore +# - handle identical vserver-names by using the vserver-id internally +# version 0.4 - 2007, October 07 +# Micah Anderson <micah@riseup.net> +# - fixed variable name (thanks pietro) +# version 0.5 - 2008, July 07 +# Micah Anderson <micah@riseup.net> +# - fixed number of CPU regexp to be more accurate +# - added $NAMELOC - fixes plugin so it works with VCI_SPACES (> 2.6.19) as well as older version + +# TODO: +# - comment the code or go mad +# - add info how many jiffies per second are available on a machine +# - user and system cpu are always added to each other, make it optional to split them? +# - use /proc less often (100 times more overhead than talking to the kernel directly) +# i.e. use something like pagesize=`perl -MPOSIX -e 'print POSIX::sysconf(_SC_PAGESIZE), "\n";'` + + +VSERVERS="$vservers" + +INFO=(`sed 's/.*:\t//' /proc/virtual/info 2>/dev/null || echo '<none>'`) +KCIN="$[ 16#${INFO[2]} ]"; + +# If this is 1, then VCI_SPACES is present in the kernel (new in 2.6.19) +if [ $[ (KCIN >> 10) & 1 ] -eq 1 ] +then + NAMELOC="nsproxy" +else + NAMELOC="cvirt" +fi + +if [ -z "$VSERVERS" ] ; then + XIDS=`find /proc/virtual/* -type d -exec basename {} \;` +else + # it's really more performant to specify vservers by ids or by linking but not in the configuration-file by name + XIDS="" + for i in $VSERVERS ; do + if [ -d /proc/virtual/$i ] ; then + XIDS="${XIDS}${i} " + else + for j in `find /proc/virtual/* -type d -exec basename {} \;` ; do + if [ "$i" = "`cat /proc/virtual/$j/$NAMELOC |grep NodeName |cut -f2`" ] ; then + XIDS="${XIDS}${j} " + fi + done + fi + done +fi + +BASEPARAM=`basename $0 | sed 's/^vserver_//'` +MODE=`echo $BASEPARAM | sed 's/^hold.*//'` + +#debug=true + +if [ -z "$MODE" ] ; then + MODE=hold + TARGET=`echo $BASEPARAM | sed 's/^hold_//'` +else + MODE=cpu + TARGET=`echo $BASEPARAM | sed 's/^cpu_//'` +fi + +CPU1=0 +if [ -n "$TARGET" ] ; then + if [ "${#TARGET}" == 1 ] ; then + if [ $debug ] ; then echo $MODE, only on cpu $TARGET, for all vservers ; fi + WHAT=ALLVSERVER + CPU1=$TARGET + else + if [ $debug ] ; then echo $MODE on all cpus together, only for vserver $TARGET ; fi + WHAT=VSERVER + fi +else + if [ $debug ] ; then echo $MODE for all cpus, for all vservers ; fi + WHAT=ALLVSERVER +fi + +CPUS=$[ `grep ^processor /proc/cpuinfo|wc -l` -1 ] +CPUS=`seq $CPU1 $CPUS` + +if [ $debug ] ; then + echo cpus= $CPUS + echo baseparam= $BASEPARAM + echo mode= $MODE + echo target= $TARGET + echo what= $WHAT +fi + +if [ "$1" = "config" ]; then + echo 'graph_category vserver' + echo 'graph_args --base 1000' + if [ "$MODE" == "cpu" ] ; then + echo 'graph_title Vserver cpu usage' + echo 'graph_vlabel jiffies used per cpu per ${graph_period}' + echo 'graph_info Shows jiffies used per cpu on each vserver.' + else + echo 'graph_title Vserver cpu on hold' + echo 'graph_vlabel jiffies on hold per cpu per ${graph_period}' + echo 'graph_info Shows jiffies on hold used per cpu on each vserver.' + fi + + for j in $CPUS ; do + A=0 + for i in $XIDS ; do + LABEL=`cat /proc/virtual/$i/$NAMELOC |grep NodeName |cut -f2` + if [ "$WHAT" == "ALLVSERVER" ] || [ "$TARGET" == "$LABEL" ] ; then + NAME=`echo $LABEL | cut -d. -f1 | tr '-' '_'` + if [ "$MODE" == "cpu" ] ; then + echo "${NAME}_$j.label cpu usage for cpu $j on $LABEL" + echo "${NAME}_$j.info cpu usage for cpu $j on $LABEL." + else + echo "${NAME}_$j.label on hold for cpu $j on $LABEL" + echo "${NAME}_$j.info on hold for cpu $j on $LABEL." + fi + echo "${NAME}_$j.type COUNTER" + if [ "$A" == 0 ] ; then + echo "${NAME}_$j.draw AREA" + A=1 + else + echo "${NAME}_$j.draw STACK" + fi + fi + done + done + exit 0 +fi + +for j in $CPUS ; do + for i in $XIDS ; do + LABEL=`cat /proc/virtual/$i/$NAMELOC |grep NodeName |cut -f2` + if [ "$WHAT" == "ALLVSERVER" ] || [ "$TARGET" == "$LABEL" ] ; then + NAME=`echo $LABEL | cut -d. -f1 | tr '-' '_'` + echo -n "${NAME}_$j.value " + if [ "$MODE" == "cpu" ] ; then + USERCPU=`cat /proc/virtual/$i/sched |grep "cpu $j"| cut -d' ' -f3` + SYSCPU=`cat /proc/virtual/$i/sched |grep "cpu $j"| cut -d' ' -f4` + echo $[$USERCPU + $SYSCPU] + else + cat /proc/virtual/$i/sched |grep "cpu $j"| cut -d' ' -f5 + fi + fi + done +done + + |