/usr/share/munin/plugins/psu_ is in munin-node 1.4.6-3ubuntu3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 | #!/bin/sh
# -*- sh -*-
: <<EOF
=head1 NAME
psu_ - Wildcard plugin to graph the number of processes by a given
user.
=head1 CONFIGURATION
This is a wildcard plugin. The link name extension is the user name
we wish to graph.
Example:
ln -s /usr/share/munin/plugins/psu_ /etc/munin/plugins/psu_foo
...will monitor the user "foo"
=head1 AUTHORS
Unknown author
=head1 LICENSE
Unknown license
=head1 BUGS
Plugin is "autoconf suggest", but "suggest" will always return no
suggestions.
=head1 MAGIC MARKERS
#%# family=manual
#%# capabilities=autoconf suggest
=cut
EOF
name=`basename $0 | sed 's/^psu_//g'`
if [ "$1" = "autoconf" ]; then
echo yes
exit 0
fi
if [ "$1" = "suggest" ]; then
exit 0
fi
if [ "$1" = "config" ]; then
echo graph_title Number of processes owned by $name
echo 'graph_args --base 1000 --vertical-label processes -l 0'
echo 'graph_category processes'
echo "count.label $name"
echo 'processes.draw LINE2'
exit 0
fi
printf "count.value "
(pgrep -u "$name"; pgrep -U "$name") | sort -u | wc -l
|