95 lines
1.8 KiB
Bash
Executable File
95 lines
1.8 KiB
Bash
Executable File
#! /bin/sh
|
|
### BEGIN INIT INFO
|
|
# Provides: irqbalance
|
|
# Default-Start: 3 4 5
|
|
# Default-Stop: 0 1 6
|
|
# Short-Description: start and stop irqbalance daemon
|
|
# Description: The irqbalance daemon will distribute interrupts across
|
|
# the cpus on a multiprocessor system with the purpose of
|
|
# spreading the load
|
|
### END INIT INFO
|
|
# chkconfig: 2345 13 87
|
|
|
|
|
|
# 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"
|
|
|
|
[ -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/run/irqbalance.pid ]; then
|
|
exit 0
|
|
fi
|
|
echo -n $"Starting $prog: "
|
|
if [ -n "$IRQ_AFFINITY_MASK" ];
|
|
then
|
|
export IRQBALANCE_BANNED_CPUS=$IRQ_AFFINITY_MASK
|
|
fi
|
|
daemon irqbalance $ONESHOT
|
|
RETVAL=$?
|
|
echo
|
|
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 $?
|