irqbalance/irqbalance.init
2006-12-12 16:43:01 +00:00

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#! /bin/sh
#
# irqbalance Start/Stop irq balancing daemon
#
# chkconfig: 2345 13 87
# description: The irqbalance daemon will distribute interrupts across \
# the cpus on a multiprocessor system with the purpose of \
# spreading the load. \
# processname: irqbalance
# This is an interactive program, we need the current locale
# Source function library.
. /etc/init.d/functions
# Check that we're a priviledged user
[ `id -u` = 0 ] || exit 0
prog="irqbalance"
# Check that networking is up.
if [ "$NETWORKING" = "no" ]
then
exit 0
fi
[ -f /usr/sbin/irqbalance ] || exit 0
# fetch configuration if it exists
# ONESHOT=yes says to wait for a minute, then look at the interrupt
# load and balance it once; after balancing exit and do not change
# it again.
# The default is to keep rebalancing once every 10 seconds.
ONESHOT=
[ -f /etc/sysconfig/irqbalance ] && . /etc/sysconfig/irqbalance
case "$ONESHOT" in
y*|Y*|on) ONESHOT=--oneshot ;;
*) ONESHOT= ;;
esac
RETVAL=0
start() {
if [ -n "$ONESHOT" -a -f /var/lock/irqbalance ]; then
exit 0
fi
echo -n $"Starting $prog: "
if [ -n "$IRQ_AFFINITY_MASK" ];
then
export IRQBALANCE_BANNED_CPUS=$IRQ_AFFINITY_MASK
fi
daemon irqbalance $ONESHOT $IRQ_AFFINITY
RETVAL=$?
echo
if [ $RETVAL -eq 0 ]; then
if [ -n "$ONESHOT" ]; then
touch /var/lock/subsys/irqbalance
else
touch /var/lock/irqbalance
fi
fi
return $RETVAL
}
stop() {
echo -n $"Stopping $prog: "
killproc irqbalance
RETVAL=$?
echo
[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/irqbalance
return $RETVAL
}
restart() {
stop
start
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
status)
status irqbalance
;;
restart|reload)
restart
;;
condrestart)
[ -f /var/lock/subsys/irqbalance ] && restart || :
;;
*)
echo $"Usage: $0 {start|stop|status|restart|reload|condrestart}"
exit 1
;;
esac
exit $?