64decfe756
This adds 00-tuned-pre-udev.sh script into initrd image which is getting tuned.cpumask kernel command line parameter and sets workqueue affinity accordingly. Resolves: rhbz#1395899 Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
34 lines
1.1 KiB
Bash
Executable file
34 lines
1.1 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
. /usr/lib/tuned/functions
|
|
|
|
start() {
|
|
mkdir -p "${TUNED_tmpdir}/etc/systemd"
|
|
mkdir -p "${TUNED_tmpdir}/usr/lib/dracut/hooks/pre-udev"
|
|
cp /etc/systemd/system.conf "${TUNED_tmpdir}/etc/systemd/"
|
|
cp 00-tuned-pre-udev.sh "${TUNED_tmpdir}/usr/lib/dracut/hooks/pre-udev/"
|
|
python /usr/libexec/tuned/defirqaffinity.py "remove" "$TUNED_isolated_cores_expanded" &&
|
|
tuna -c "$TUNED_isolated_cores_expanded" -i
|
|
sed -i '/^IRQBALANCE_BANNED_CPUS=/d' /etc/sysconfig/irqbalance
|
|
echo "IRQBALANCE_BANNED_CPUS=$TUNED_isolated_cpumask" >>/etc/sysconfig/irqbalance
|
|
setup_kvm_mod_low_latency
|
|
return "$?"
|
|
}
|
|
|
|
stop() {
|
|
tuna -c "$TUNED_isolated_cores_expanded" -I &&
|
|
python /usr/libexec/tuned/defirqaffinity.py "add" "$TUNED_isolated_cores_expanded"
|
|
if [ "$1" = "profile_switch" ]
|
|
then
|
|
sed -i '/^IRQBALANCE_BANNED_CPUS=/d' /etc/sysconfig/irqbalance
|
|
teardown_kvm_mod_low_latency
|
|
fi
|
|
return "$?"
|
|
}
|
|
|
|
verify() {
|
|
python /usr/libexec/tuned/defirqaffinity.py "verify" "$TUNED_isolated_cores_expanded"
|
|
return "$?"
|
|
}
|
|
|
|
process $@
|