6ee72f3138
- Run spec-cleaner on spec file - Don't start irqbalance by default, testing confirmed that it does not make any difference on machines with less than 32 cores nowadays (GKH's comment) OBS-URL: https://build.opensuse.org/request/show/79033 OBS-URL: https://build.opensuse.org/package/show/Base:System/irqbalance?expand=0&rev=10
130 lines
2.9 KiB
Bash
130 lines
2.9 KiB
Bash
#! /bin/sh
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# Copyright (c) 1995-2002 SuSE Linux AG, Nuernberg, Germany.
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# All rights reserved.
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#
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# /etc/init.d/irqbalance
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# and its symbolic link
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# /(usr/)sbin/rcirqbalance
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#
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### BEGIN INIT INFO
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# Provides: irqbalance
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# Required-Start: $remote_fs
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# Should-Start:
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# Required-Stop: $remote_fs
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# Should-Stop:
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# Default-Start: 1 2 3 5
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# Default-Stop: 0 6
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# Short-Description: irqbalance daemon providing irq balancing on MP-machines
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# Description: Start irqbalance to allow interrrupt balancing over multiple CPUs
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# usually all irqs are handled by cpu0, this daemon dynamcally
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# uses all cpus for the irqs
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#
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#
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#
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### END INIT INFO
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# Check for missing binaries (stale symlinks should not happen)
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IRQBALANCE_BIN=/usr/sbin/irqbalance
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test -x $IRQBALANCE_BIN || exit 5
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PROC=$(grep -c '^processor' /proc/cpuinfo)
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#
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# Checks if the irq balancer should be started at all on that system.
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# Returns 0 if the balancer should be started, 1 otherwise.
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should_start_irqbalance()
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{
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# don't start on 1 core systems
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# still check the number of processors here althought the irq
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# balancer terminates automatically if number_cpus == 0
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# simply to provide a better user output ('unused' vs. 'done')
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if [ $PROC -le 1 ] ; then
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return 1
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fi
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# don't start on IA64 SGI SN2 systems (bnc#441505)
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if [ "$(uname -m)" = ia64 ] && [ -f /proc/sgi_sn/system_serial_number ] ; then
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logger -t irq_balancer "Not starting irqbalance because we're running on a SGI SN2 system"
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return 1
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fi
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# start on any other case
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return 0
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}
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. /etc/rc.status
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. /etc/sysconfig/irqbalance
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if [ -n "$IRQBALANCE_BANNED_CPUS" ] ; then
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export IRQBALANCE_BANNED_CPUS
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fi
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if [ "$IRQBALANCE_ONESHOT" != "auto" ] ; then
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export IRQBALANCE_ONESHOT
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fi
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if [ -n "$IRQBALANCE_BANNED_INTERRUPTS" ] ; then
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export IRQBALANCE_BANNED_INTERRUPTS
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fi
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# Reset status of this service
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rc_reset
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case "$1" in
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start)
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echo -n "Starting irqbalance "
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if should_start_irqbalance ; then
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startproc $IRQBALANCE_BIN
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# Remember status and be verbose
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rc_status -v
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else
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# unused
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rc_status -u
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fi
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;;
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stop)
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echo -n "Shutting down irqbalance "
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killproc -TERM $IRQBALANCE_BIN
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# Remember status and be verbose
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rc_status -v
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;;
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try-restart)
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$0 status >/dev/null && $0 restart
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# Remember status and be quiet
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rc_status
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;;
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restart)
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$0 stop
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$0 start
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# Remember status and be quiet
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rc_status
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;;
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force-reload|reload)
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echo -n "Reload service irqbalance "
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if [ $PHYS -gt 1 ] || [ $PROC -gt 1 -a $PHYS -eq 0 ] ; then
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## if it supports it:
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killproc -HUP $IRQBALANCE_BIN
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#touch /var/run/irqbalance.pid
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rc_status -v
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else
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rc_status -u
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fi
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;;
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status)
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echo -n "Checking for service irqbalance "
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checkproc $IRQBALANCE_BIN
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rc_status -v
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;;
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probe)
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;;
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*)
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echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
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exit 1
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;;
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esac
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rc_exit
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