8cde3e1b3c
Users can switch to Tuned if they need process blacklisting (i.e. marking of processes which are allowed to run on isolated cores). This will be very probably made the default in next Tuned release. Related: rhbz#1403309 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 [ "$1" = "full_rollback" ]
|
|
then
|
|
sed -i '/^IRQBALANCE_BANNED_CPUS=/d' /etc/sysconfig/irqbalance
|
|
teardown_kvm_mod_low_latency
|
|
fi
|
|
return "$?"
|
|
}
|
|
|
|
verify() {
|
|
python /usr/libexec/tuned/defirqaffinity.py "verify" "$TUNED_isolated_cores_expanded"
|
|
return "$?"
|
|
}
|
|
|
|
process $@
|