Current File : //backups/router/usr/local/share/munin/plugins/open_files
#!/bin/sh
# -*- sh -*-
#
# Plugin to monitor the number of open files in the system.
#
# Parameters:
#
# config (required)
# autoconf (optional - used by munin-config)
#
# Magic markers (Used by munin-config and some installation scripts.
# Optional):
#
#%# family=auto
#%# capabilities=autoconf
if [ "$1" = "autoconf" ]; then
if [ -x /sbin/sysctl ]; then
/sbin/sysctl kern.openfiles > /dev/null
if [ $? = "0" ]; then
echo yes
exit 0
else
echo no
exit 0
fi
else
echo no
exit 0
fi
fi
if [ "$1" = "config" ]; then
echo 'graph_title File table usage'
echo 'graph_args --base 1000 -l 0'
echo 'graph_vlabel number of open files'
echo 'graph_category system'
echo 'graph_info This graph monitors the number of open files.'
echo 'used.label open files'
echo 'used.info The number of currently open files.'
echo 'max.label max open files'
echo 'max.info The maximum supported number of open files.'
/sbin/sysctl -n kern.maxfiles | awk '{printf "used.warning %d\nused.critical %d\n",$1*0.92,$1*0.98}'
exit 0
fi
#awk '{print "used.value " $1-$2 "\nmax.value " $3}' < /proc/sys/fs/file-nr
echo -n 'max.value '
/sbin/sysctl -n kern.maxfiles
echo -n 'used.value '
/sbin/sysctl -n kern.openfiles
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