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 |
618352 |
diff --git a/profiles/cpu-partitioning/script.sh b/profiles/cpu-partitioning/script.sh
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618352 |
index 0e94d3a..efe9bcb 100755
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618352 |
--- a/profiles/cpu-partitioning/script.sh
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618352 |
+++ b/profiles/cpu-partitioning/script.sh
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618352 |
@@ -54,8 +54,8 @@ stop() {
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618352 |
then
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618352 |
sed -i '/^IRQBALANCE_BANNED_CPUS=/d' /etc/sysconfig/irqbalance
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618352 |
teardown_kvm_mod_low_latency
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618352 |
+ enable_ksm
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618352 |
fi
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618352 |
- enable_ksm
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618352 |
enable_balance_domains
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618352 |
return "$?"
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618352 |
}
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618352 |
diff --git a/profiles/functions b/profiles/functions
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618352 |
index 2df8168..919409c 100644
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618352 |
--- a/profiles/functions
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618352 |
+++ b/profiles/functions
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618352 |
@@ -531,35 +531,30 @@ teardown_kvm_mod_low_latency()
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618352 |
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618352 |
KSM_SERVICES="ksm ksmtuned"
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618352 |
KSM_RUN_PATH=/sys/kernel/mm/ksm/run
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618352 |
+KSM_MASK_FILE="${STORAGE_PERSISTENT}/ksm-masked"
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|
618352 |
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|
618352 |
disable_ksm()
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|
618352 |
{
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|
618352 |
- for s in $KSM_SERVICES; do
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|
618352 |
- if systemctl is-enabled -q $s; then
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|
618352 |
- systemctl -q disable $s
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|
618352 |
+ if [ ! -f $KSM_MASK_FILE ]; then
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|
|
618352 |
+ # Always create $KSM_MASK_FILE, since we don't want to
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|
618352 |
+ # run any systemctl commands during boot
|
|
|
618352 |
+ if ! touch $KSM_MASK_FILE; then
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|
618352 |
+ die "failed to create $KSM_MASK_FILE"
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|
|
618352 |
fi
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|
|
618352 |
-
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|
618352 |
- if systemctl is-active -q $s; then
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|
618352 |
- systemctl -q stop $s
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|
618352 |
- fi
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|
618352 |
- done
|
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|
618352 |
-
|
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618352 |
- if [ -f $KSM_RUN_PATH ]; then
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|
618352 |
+ systemctl --now --quiet mask $KSM_SERVICES
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|
618352 |
# Unmerge all shared pages
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|
618352 |
- echo 2 > $KSM_RUN_PATH
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618352 |
+ test -f $KSM_RUN_PATH && echo 2 > $KSM_RUN_PATH
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|
618352 |
fi
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618352 |
}
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|
618352 |
|
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|
618352 |
+# Should only be called when full_rollback == true
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|
618352 |
enable_ksm()
|
|
|
618352 |
{
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|
|
618352 |
- for s in $KSM_SERVICES; do
|
|
|
618352 |
- systemctl -q preset $s
|
|
|
618352 |
-
|
|
|
618352 |
- # Only start the service if it's enabled by defaut
|
|
|
618352 |
- if systemctl is-enabled -q $s; then
|
|
|
618352 |
- systemctl start $s
|
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|
618352 |
+ if [ -f $KSM_MASK_FILE ]; then
|
|
|
618352 |
+ if systemctl --quiet unmask $KSM_SERVICES; then
|
|
|
618352 |
+ rm -f $KSM_MASK_FILE
|
|
|
618352 |
fi
|
|
|
618352 |
- done
|
|
|
618352 |
+ fi
|
|
|
618352 |
}
|
|
|
618352 |
|
|
|
618352 |
die() {
|
|
|
618352 |
diff --git a/profiles/realtime-virtual-host/script.sh b/profiles/realtime-virtual-host/script.sh
|
|
|
618352 |
index a9366cb..33a7996 100755
|
|
|
618352 |
--- a/profiles/realtime-virtual-host/script.sh
|
|
|
618352 |
+++ b/profiles/realtime-virtual-host/script.sh
|
|
|
618352 |
@@ -93,8 +93,10 @@ start() {
|
|
|
618352 |
}
|
|
|
618352 |
|
|
|
618352 |
stop() {
|
|
|
618352 |
- [ "$1" = "full_rollback" ] && teardown_kvm_mod_low_latency
|
|
|
618352 |
- enable_ksm
|
|
|
618352 |
+ if [ "$1" = "full_rollback" ]; then
|
|
|
618352 |
+ teardown_kvm_mod_low_latency
|
|
|
618352 |
+ enable_ksm
|
|
|
618352 |
+ fi
|
|
|
618352 |
systemctl stop rt-entsk
|
|
|
618352 |
return "$?"
|
|
|
618352 |
}
|