Initial import

swap_usage.sh

@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+function usage() {
+   echo 
+   [ -n  "$1" ] && echo -e "Error: $1\n"
+
+cat<<EOF
+
+   Usage: ` basename $0` < -a | -A |-p <program name to filter output> >
+
+
+   Shows swap-usage either for all programs (-a/-A) or filtered for 
+   a given program name (-p program_name).
+   
+
+   Options:
+
+      -A
+         Show swap-usage for all running processes, even if no swap
+         is in use. Not realy useul, but gives a short overview about
+         running processes.
+      -a
+         Show swap-usage for all running processes that have swap space allocated.
+
+      -p <programm_name>
+         Show swap-usage for all processes of the given program name.
+
+      `basename $0` -p amavisd
+
+EOF
+exit 1
+}
+
+[ $# -eq "0" ] && usage "wrong number of arguments"
+
+all=false
+while getopts Aahp: opt ; do
+   case $opt in
+      A) all=true ;;
+      a) ;;
+      h) usage ;;
+      p) filter_prog_name=$OPTARG ;;
+      \?) usage
+   esac
+done
+
+shift `expr $OPTIND - 1`
+[ $# -eq "0" ] || usage "wrong number of arguments"
+
+         
+
+declare -i total_prog=0
+declare -i total=0
+
+for _dir in `find /proc/ -maxdepth 1 -type d | egrep "^/proc/[0-9]"` ; do
+   #_pid=`basename $_dir`
+   _pid=`echo $_dir | cut -d "/" -f 3`
+   _prog_name=`ps -p $_pid -o comm --no-headers`
+   if [ -n "$filter_prog_name" ]; then
+      [ "$_prog_name" != "$filter_prog_name" ] && continue
+   fi
+   for _mem in `grep Swap $_dir/smaps 2>/dev/null| awk '{print$2}'` ; do
+      [ $_mem -eq 0 ] && ! $all ] &&  continue 
+      let total_prog=$total_prog+$_mem
+      let tmp=$tmp+$_pid
+   done
+
+   [ $total_prog -eq 0 ] &&  ! $all  && continue
+   echo "PID = $_pid - Swap used: $total_prog kb - ( $_prog_name )"
+   let total=$total+$total_prog
+   total_prog=0
+
+done
+
+if [ $total -eq 0 ]; then
+   if [ -z $filter_prog_name ] ; then
+      echo -e "\n\tNo swap space alocated.\n"
+   else
+      echo -e "\n\tNo swap space alocated by \"$filter_prog_name\" processes.\n"
+   fi
+else
+   if [ -z $filter_prog_name ] ; then
+      echo -e "\n\tTotal allocated swap space: $total kb\n"
+   else
+      echo -e "\n\tAllocated swap space by \"$filter_prog_name\" processes: $total kb\n"
+   fi
+fi
+
+exit 0