127 lines
2.5 KiB
Bash
127 lines
2.5 KiB
Bash
#!/usr/bin/bash
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#
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# rt-setup - script to handle setup for running an RT kernel
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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# chkconfig: 2345 00 99
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# description: This script is used to setup services for use with a \
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# realtime Linux kernel \
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# The main use now is to setup cgroups
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# Source function library.
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. /etc/rc.d/init.d/functions
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prog="rt-setup"
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[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog
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# if rt-firmware is installed
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if [ -d /lib/firmware/mrg-rt-firmware ]; then
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if ! grep mrg-rt-firmware /lib/udev/firmware.sh > /dev/null
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then
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logger -t rt-setup "adding rt-firmware to udev firmware search path"
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sed -i 's#) /lib/firmware"#) /lib/firmware"\nFIRMWARE_DIRS="/lib/firmware/mrg-rt-firmware $FIRMWARE_DIRS"#' /lib/udev/firmware.sh
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fi
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fi
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lockfile=/var/lock/subsys/$prog
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isrt() {
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[ -f /sys/kernel/realtime ] || return 1
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return 0
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}
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start() {
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echo -n $"Starting $prog: "
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# if not running, start it up here, usually something like "daemon $exec"
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if [ "$SLUB_CPU_PARTIAL" == "off" ]; then
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slub_cpu_partial_off
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slub_retval=$?
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else
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slub_retval=0
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fi
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echo
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# Update /etc/mrg-rt-release based on the running kernel
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/usr/bin/update-mrg-rt-release --update-etc
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[ $slub_retval -eq 0 ] && touch $lockfile
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return $slub_retval
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}
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stop() {
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echo -n $"Stopping $prog: "
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rm -f $lockfile
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echo
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return 0
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}
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restart() {
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stop
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start
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}
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reload() {
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restart
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}
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force_reload() {
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restart
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}
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rh_status() {
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if ! isrt; then
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echo "$prog: Not running on an RT kernel!"
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return 1
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fi
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# make sure that cpusets are mounted
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if ! grep cpuset /proc/mounts >/dev/null 2>&1; then
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echo "$prog: cpusets not mounted!"
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return 2
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fi
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echo "$prog: Running RT kernel with cpusets mounted"
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return 0
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}
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rh_status_q() {
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rh_status >/dev/null 2>&1
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}
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# if we're not running on an RT kernel then bail
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#if ! isrt; then
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# exit 0
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#fi
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case "$1" in
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start)
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rh_status_q && exit 0
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$1
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;;
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stop)
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rh_status_q || exit 0
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$1
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;;
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restart)
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$1
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;;
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reload)
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rh_status_q || exit 7
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$1
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;;
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force-reload)
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force_reload
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;;
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status)
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rh_status
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;;
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condrestart|try-restart)
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rh_status_q || exit 0
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restart
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;;
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*)
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echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
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exit 2
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esac
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exit $?
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