62 lines
1.7 KiB
Bash
Executable File
62 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
|
|
# Kernel Memory usage stats.
|
|
# Author: alex@trull.org
|
|
#
|
|
# Based on the short script at http://wiki.freebsd.org/ZFSTuningGuide (20080820)
|
|
#
|
|
# Parameters:
|
|
#
|
|
# config (required)
|
|
# autoconf (optional - only used by munin-config)
|
|
#
|
|
# Magic markers (optional - only used by munin-config and some
|
|
# installation scripts):
|
|
#%# family=auto
|
|
#%# capabilities=autoconf
|
|
|
|
if [ "$1" = "autoconf" ]; then
|
|
if [ -x /sbin/sysctl ]; then
|
|
if /sbin/sysctl vm.kmem_size_max >/dev/null 2>&1; then
|
|
echo "yes"
|
|
else
|
|
echo "no (missing sysctl variable 'vm.kmem_size_max')"
|
|
fi
|
|
else
|
|
echo "no (missing 'sysctl' executable)"
|
|
fi
|
|
exit 0
|
|
fi
|
|
|
|
TEXT=`kldstat | tr a-f A-F | awk 'BEGIN {print "ibase=16"}; NR > 1 {print $4}' | bc | awk '{a+=$1}; END {print a}'`
|
|
DATA=`vmstat -m | sed 's/K//' | awk '{a+=$3}; END {print a*1024}'`
|
|
TOTAL=`echo $DATA $TEXT | awk '{print $1+$2}'`
|
|
MAX=`sysctl vm.kmem_size_max | awk '{print $2}'`
|
|
|
|
if [ "$1" = "config" ]; then
|
|
echo 'graph_args --base 1024 -l 0 --vertical-label Bytes'
|
|
echo 'graph_title Kernel Memory usage'
|
|
echo 'graph_category system'
|
|
echo 'graph_info This graph shows kmem usage.'
|
|
echo 'graph_order text data'
|
|
echo 'text.label text'
|
|
echo 'text.info kmem text'
|
|
echo 'text.draw AREA'
|
|
echo 'data.label data'
|
|
echo 'data.info kmem data'
|
|
echo 'data.draw STACK'
|
|
echo 'total.label total'
|
|
echo 'total.info kmem total'
|
|
echo 'total.draw LINE'
|
|
echo 'max.label max'
|
|
echo 'max.info kmem max'
|
|
echo 'max.draw LINE2'
|
|
exit 0
|
|
fi
|
|
|
|
echo "text.value $TEXT"
|
|
echo "data.value $DATA"
|
|
echo "total.value $TOTAL"
|
|
echo "max.value $MAX"
|
|
|
|
|