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https://github.com/munin-monitoring/contrib.git
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d824c7696f
The top cpu statistics fit better to the other cpu statistics in munin. The ps based statistics are calculated as average over the runtime of a program, which does not neccessarily reflect the current situation.
89 lines
2.1 KiB
Bash
Executable File
89 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Plugin to monitor CPU usage, for a selected set of users
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#
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# Usage: Place in /etc/munin/node.d/ (or link it there using ln -s)
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# Add this to your /etc/munin/plugin-conf.d/munin-node:
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# [cpubyuser]
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# env.USERS root yann
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#
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# root and yann being a list of the users to monitor.
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# You need to also make sure that awk is installed
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#
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# 2008-12-08 v 1.3.1 Hanisch Elián:
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# - support for dots in user names.
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# - fix labels
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#
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# 2008-12-01 v 1.3 Hanisch Elián:
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# - fixes, refactoring and code cleanup
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# - Users that use cpu but aren't in the USERS env var
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# are plotted as "others", set others.graph to 'no' if
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# you don't want this.
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#
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# 2008-03-20 v 1.2 fireball: fixed minor screwup, works now ^^
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#
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# 2008-01-09 v 1.1 fireball: fixed "-" in usernames, those get replaced by "_" now.
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# set usernames in config accordingly (that is with _)
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#
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#
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# Parameters understood:
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#
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# config (required)
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# autoconf (optional - used by munin-config)
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#
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#%# family=auto
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#%# capabilities=autoconf
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if [ "$1" = "autoconf" ]; then
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if [ -n "$USERS" ]; then
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echo "yes"
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else
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echo "\$USERS not defined."
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fi
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exit
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fi
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if [ "$1" = "config" ]; then
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echo "graph_args --base 1000 -r --lower-limit 0"
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echo "graph_title CPU usage, by user"
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echo "graph_category system"
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echo "graph_info This graph shows CPU usage, for monitored users."
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echo "graph_vlabel %"
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echo "graph_scale no"
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echo "graph_period second"
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_USERS=${USERS//[-.]/_}
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echo "graph_order $_USERS others"
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FIRSTUSER=1;
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for USER in $USERS "others"; do
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_USER=${USER//[-.]/_}
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echo "${_USER}.label $USER"
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echo "${_USER}.info CPU used by user $USER"
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echo "${_USER}.type GAUGE"
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if [ $FIRSTUSER -eq 1 ]; then
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echo "${_USER}.draw AREA"
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FIRSTUSER=0
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else
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echo "${_USER}.draw STACK"
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fi
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done
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exit
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fi
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top -b -n 1 | tail -n +8 | \
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awk -v USERS="$USERS" '
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{ if ($2 != "USER") CPU_USER[$2]+=$9 }
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END {
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others_sum = 0
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for (user in CPU_USER) {
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m = match(USERS,user)
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if (m != 0) {
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_user=user
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gsub(/[-.]/,"_", _user);
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print _user".value", CPU_USER[user]
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} else
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others_sum += CPU_USER[user]
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}
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print "others.value", others_sum;
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}'
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