diff options
Diffstat (limited to 'etc/munin/plugins/cpu')
| -rwxr-xr-x | etc/munin/plugins/cpu | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/etc/munin/plugins/cpu b/etc/munin/plugins/cpu deleted file mode 100755 index b66ed381..00000000 --- a/etc/munin/plugins/cpu +++ /dev/null @@ -1,250 +0,0 @@ -#!/bin/sh -# -# -- unfinished WORK IN PROGRESS -- -# -# includes modifications trying to fix #767100 -# -: <<=cut - -=head1 NAME - -cpu - Plugin to monitor CPU usage. - -=head1 APPLICABLE SYSTEMS - -All Linux systems - -=head1 CONFIGURATION - -The following is default configuration - - [cpu] - env.HZ 100 - -See "BUGS" for a explanation of this setting. - -=head2 EXAMPLE WARNING AND CRITICAL SETTINGS - -You can also set warning and critical levels for each of the data -series the plugin reports. The following environment variables are -used as default for all fields: - - env.warning - env.critical - -But each field can be controlled separately: - - env.system_warning - env.system_critical - - env.user_warning - env.user_critical - - env.nice_warning - env.nice_critical - - env.idle_warning - env.idle_critical - -For some kernels there is also the following settings: - - env.iowait_warning - env.iowait_critical - env.irq_warning - env.irq_critical - env.softirq_warning - env.softirq_critical - env.steal_warning - env.steal_critical - env.guest_warning - env.guest_critical - -=head1 INTERPRETATION - -The plugin shows cpu usage in percent. In case of more than one core -it displays 100% for each core. - -If a core is 100% busy there will be no "iowait" showing, that only -shows if the CPU has nothing else to do while it waits on IO. -Therefore a 100% busy core can hide a lot of iowait. Please refer to -the IO latency and other disk related graphs for further information -about IO performance. - -=head1 MAGIC MARKERS - - #%# family=auto - #%# capabilities=autoconf - - -=head1 VERSION - - $Id$ - -=head1 BUGS - -Some combinations of hardware and Linux (probably only 2.4 kernels) -use 1000 units/second in /proc/stat corresponding to the systems -HZ. (see /usr/src/linux/include/asm/param.h). But Almost all systems -use 100 units/second and this is our default. Even if -Documentation/proc.txt in the kernel source says otherwise. - Finding -and fix by dz@426.ch - -Otherwise none known - -=head1 AUTHOR - -Unknown - -=head1 LICENSE - -GPLv2 - -=cut - - -. $MUNIN_LIBDIR/plugins/plugin.sh - -if [ "$1" = "autoconf" ]; then - if [ -r /proc/stat ]; then - echo yes - exit 0 - else - echo no - exit 0 - fi -fi - -HZ=${HZ:-100} - -extinfo="" - -if egrep -q '^cpu +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+' /proc/stat; then - extinfo="iowait irq softirq" - if egrep -q '^cpu +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+' /proc/stat; then - extextinfo="steal" - fi - if egrep -q '^cpu +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+ +[0-9]+' /proc/stat; then - extextextinfo="guest" - fi - -fi - -if [ "$1" = "config" ]; then - - NCPU=$(egrep '^cpu[0-9]+ ' /proc/stat | wc -l) - if [ "$scaleto100" = "yes" ]; then - graphlimit=100 - else - graphlimit=$(($NCPU * 100)) - fi - echo 'graph_title CPU usage' - echo "graph_order system user nice idle" $extinfo - echo "graph_args --base 1000 -r --lower-limit 0 --upper-limit $graphlimit" - echo 'graph_vlabel %' - echo 'graph_scale no' - echo 'graph_info This graph shows how CPU time is spent.' - echo 'graph_category system' - echo 'graph_period second' - echo 'system.label system' - echo 'system.draw AREA' - echo 'system.min 0' - echo 'system.type DERIVE' - echo "system.info CPU time spent by the kernel in system activities" - echo 'user.label user' - echo 'user.draw STACK' - echo 'user.min 0' - echo 'user.type DERIVE' - echo 'user.info CPU time spent by normal programs and daemons' - echo 'nice.label nice' - echo 'nice.draw STACK' - echo 'nice.min 0' - echo 'nice.type DERIVE' - echo 'nice.info CPU time spent by nice(1)d programs' - echo 'idle.label idle' - echo 'idle.draw STACK' - echo 'idle.min 0' - echo 'idle.type DERIVE' - echo 'idle.info Idle CPU time' - - for field in system user nice idle; do - print_adjusted_thresholds "$field" "$graphlimit" - done - - if [ "$scaleto100" = "yes" ]; then - echo "system.cdef system,$NCPU,/" - echo "user.cdef user,$NCPU,/" - echo "nice.cdef nice,$NCPU,/" - echo "idle.cdef idle,$NCPU,/" - fi - if [ ! -z "$extinfo" ] - then - echo 'iowait.label iowait' - echo 'iowait.draw STACK' - echo 'iowait.min 0' - echo 'iowait.type DERIVE' - echo 'iowait.info CPU time spent waiting for I/O operations to finish when there is nothing else to do.' - echo 'irq.label irq' - echo 'irq.draw STACK' - echo 'irq.min 0' - echo 'irq.type DERIVE' - echo 'irq.info CPU time spent handling interrupts' - echo 'softirq.label softirq' - echo 'softirq.draw STACK' - echo 'softirq.min 0' - echo 'softirq.type DERIVE' - echo 'softirq.info CPU time spent handling "batched" interrupts' - if [ "$scaleto100" = "yes" ]; then - echo "iowait.cdef iowait,$NCPU,/" - echo "irq.cdef irq,$NCPU,/" - echo "softirq.cdef softirq,$NCPU,/" - fi - for field in iowait irq softirq; do - print_adjusted_thresholds "$field" "$graphlimit" - done - fi - - if [ ! -z "$extextinfo" ] - then - echo 'steal.label steal' - echo 'steal.draw STACK' - echo 'steal.min 0' - echo 'steal.type DERIVE' - echo 'steal.info The time that a virtual CPU had runnable tasks, but the virtual CPU itself was not running' - if [ "$scaleto100" = "yes" ]; then - echo "steal.cdef steal,$NCPU,/" - fi - for field in steal; do - print_adjusted_thresholds "$field" "$graphlimit" - done - fi - - if [ ! -z "$extextextinfo" ] - then - echo 'guest.label guest' - echo 'guest.draw STACK' - echo 'guest.min 0' - echo 'guest.type DERIVE' - echo 'guest.info The time spent running a virtual CPU for guest operating systems under the control of the Linux kernel.' - if [ "$scaleto100" = "yes" ]; then - echo "guest.cdef guest,$NCPU,/" - fi - for field in guest; do - print_adjusted_thresholds "$field" "$graphlimit" - done - fi - - exit 0 -fi - -# Note: Counters/derive need to report integer values. Also we need -# to avoid 10e+09 and the like %.0f should do this. - -if [ ! -z "$extextextinfo" ]; then - awk -v hz=$HZ '/^cpu / { printf "user.value %.0f\nnice.value %.0f\nsystem.value %.0f\nidle.value %.0f\niowait.value %.0f\nirq.value %.0f\nsoftirq.value %.0f\nsteal.value %.0f\nguest.value %.0f\n", ($2-$10)*100/hz, $3*100/hz, $4*100/hz, $5*100/hz, $6*100/hz, $7*100/hz, $8*100/hz, $9*100/hz, $10*100/hz }' < /proc/stat -elif [ ! -z "$extextinfo" ]; then - awk -v hz=$HZ '/^cpu / { epoch = systime(); printf "user.value %d:%.0f\nnice.value %d:%.0f\nsystem.value %d:%.0f\nidle.value %d:%.0f\niowait.value %d:%.0f\nirq.value %d:%.0f\nsoftirq.value %d:%.0f\nsteal.value %d:%.0f\n", epoch, $2*100/hz, epoch, $3*100/hz, epoch, $4*100/hz, epoch, $5*100/hz, epoch, $6*100/hz, epoch, $7*100/hz, epoch, $8*100/hz, epoch, $9*100/hz }' < /proc/stat -elif [ ! -z "$extinfo" ]; then - awk -v hz=$HZ '/^cpu / { epoch = systime(); printf "user.value %d:%.0f\nnice.value %d:%.0f\nsystem.value %d:%.0f\nidle.value %d:%.0f\niowait.value %d:%.0f\nirq.value %d:%.0f\nsoftirq.value %d:%.0f\n", epoch, $2*100/hz, epoch, $3*100/hz, epoch, $4*100/hz, epoch, $5*100/hz, epoch, $6*100/hz, epoch, $7*100/hz, epoch, $8*100/hz }' < /proc/stat -else - awk -v hz=$HZ '/^cpu / { epoch = systime(); printf "user.value %d:%.0f\nnice.value %d:%.0f\nsystem.value %d:%.0f\nidle.value %d:%.0f\niowait.value %d:%.0f\nirq.value %d:%.0f\n", epoch, $2*100/hz, epoch, $3*100/hz, epoch, $4*100/hz, epoch, $5*100/hz, epoch, $6*100/hz, epoch, $7*100/hz }' < /proc/stat -fi |