89 lines
1.7 KiB
Bash
89 lines
1.7 KiB
Bash
#!/bin/bash
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#
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# ksmtuned Kernel Samepage Merging (KSM) Tuning Daemon
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#
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# Author: Dan Kenigsberg <danken@redhat.com>
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#
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# Copyright 2009 Red Hat, Inc. and/or its affiliates.
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# Released under the GPL
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#
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# chkconfig: 345 85 15
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# description: The KSM tuning daemon controls whether (and with what vigor) \
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# ksm should ksm search duplicated pages.
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# processname: ksmtuned
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# config: /etc/ksmtuned.conf
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# pidfile: /var/run/ksmtuned.pid
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#
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### BEGIN INIT INFO
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# Provides: ksmtuned
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# Required-Start:
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# Required-Stop:
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# Should-Start:
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# Default-Start: 3 4 5
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# Short-Description: tune the speed of ksm
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# Description: The Kernel Samepage Merging control Daemon is a simple script
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# that controls whether (and with what vigor) should ksm search duplicated
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# memory pages.
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# needs testing and ironing. contact danken@redhat.com if something breaks.
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### END INIT INFO
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. /etc/rc.d/init.d/functions
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prog=ksmtuned
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ksmtuned=/usr/sbin/ksmtuned
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pidfile=${PIDFILE-/var/run/ksmtune.pid}
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RETVAL=0
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start() {
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echo -n $"Starting $prog: "
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daemon --pidfile=${pidfile} $ksmtuned
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RETVAL=$?
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echo
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[ $RETVAL -eq 0 ] && touch /var/lock/subsys/$prog
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}
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stop() {
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echo -n $"Stopping $prog: "
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killproc -p ${pidfile}
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RETVAL=$?
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echo
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[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/$prog
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}
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restart() {
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stop
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start
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}
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condrestart() {
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[ -e /var/lock/subsys/$prog ] && restart || :
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}
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case "$1" in
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start)
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start
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;;
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stop)
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stop
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;;
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status)
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status -p ${pidfile} $prog
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RETVAL=$?
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;;
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restart)
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restart
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;;
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condrestart)
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condrestart
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;;
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retune)
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kill -SIGUSR1 `cat ${pidfile}`
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RETVAL=$?
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;;
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*)
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echo $"Usage: $prog {start|stop|restart|condrestart|status|retune|help}"
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RETVAL=3
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esac
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exit $RETVAL
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