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realtime-virtual-host: use kvm modprobe helpers

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Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Luiz Capitulino 2017-01-09 15:56:37 -05:00 committed by Jaroslav Škarvada
parent e153bf3ba1
commit e25fcb3164
1 changed files with 2 additions and 18 deletions
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20
profiles/realtime-virtual-host/script.sh
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@ -2,22 +2,8 @@
. /usr/lib/tuned/functions
modfile=/etc/modprobe.d/kvm.rt.tuned.conf
ltanfile=/sys/module/kvm/parameters/lapic_timer_advance_ns
create_modfile()
{
modinfo -p kvm | grep -q kvmclock_periodic_sync
if [ "$?" -eq 0 ]; then
echo "options kvm kvmclock_periodic_sync=0" > $modfile
fi
modinfo -p kvm_intel | grep -q ple_gap
if [ "$?" -eq 0 ]; then
echo "options kvm_intel ple_gap=0" >> $modfile
fi
}
start() {
python /usr/libexec/tuned/defirqaffinity.py "remove" "$TUNED_isolated_cores_expanded" &&
tuna -c "$TUNED_isolated_cores_expanded" -i
@ -27,9 +13,7 @@ start() {
return $retval
fi
if [ ! -f $modfile ]; then
create_modfile
fi
setup_kvm_mod_low_latency
if [ -f lapic_timer_adv_ns.cpumodel ]; then
curmodel=`cat /proc/cpuinfo | grep "model name" | cut -f 2 -d ":" | uniq`
@ -63,7 +47,7 @@ start() {
}
stop() {
[ "$1" = "profile_switch" ] && rm -f $modfile
[ "$1" = "profile_switch" ] && teardown_kvm_mod_low_latency
tuna -c "$TUNED_isolated_cores_expanded" -I &&
python /usr/libexec/tuned/defirqaffinity.py "add" "$TUNED_isolated_cores_expanded"
return "$?"