#!/bin/bash
#
# Copyright 2009 Red Hat, Inc. and/or its affiliates.
# Released under the GPL
#
# ksmtuned     Kernel Samepage Merging Tuning Daemon
#
# chkconfig: - 85 15
# description: The Kernel Samepage Merging control Daemon is a simple script  \
#	       that controls whether (and with what vigor) should ksm search  \
#              duplicated pages.
# processname: ksmd
# config: /etc/ksmd.conf
# pidfile: /var/run/ksmd.pid
#
### BEGIN INIT INFO
# Provides: ksmd
# Required-Start:
# Required-Stop:
# Should-Start:
# Short-Description: tune the speed of ksm
# Description: The Kernel Samepage Merging control Daemon is a simple script
#   that controls whether (and with what vigor) should ksm search duplicated
#   memory pages.
#   needs testing and ironing. contact danken@redhat.com if something breaks.
### END INIT INFO

. /etc/rc.d/init.d/functions

prog=ksmtune
pidfile=${PIDFILE-/var/run/ksmtune.pid}
RETVAL=0

start() {
    echo -n $"Starting $prog: "
    daemon --pidfile=${pidfile} $prog
    RETVAL=$?
    echo
    return $RETVAL
}

stop() {
    echo -n $"Stopping $prog: "
    killproc -p ${pidfile}
    RETVAL=$?
    echo
}

signal () {
    local pid
    pid=`cat ${pidfile}`
    RETVAL=$?
    if [ $RETVAL -eq 0 ]; then
        pkill -P $pid sleep
        RETVAL=$?
    fi
}

case "$1" in
  start)
	start
	;;
  stop)
	stop
	;;
  status)
        status -p ${pidfile} $prog
	RETVAL=$?
	;;
  restart)
	stop
	start
	;;
  signal)
	signal
	;;
  *)
	echo $"Usage: $prog {start|stop|restart|status|signal|help}"
	RETVAL=3
esac

exit $RETVAL