Hi, thanks, merged in https://github.com/redhat-performance/tuned/commit/efcb477299dd4720f0012c... Jaroslav ----- Original Message ----- > > The rt-entsk application, part of newer rt-setup packages, > worksaround a latency issue with static key > IPI's. What it does it: > > /* > * Open a socket, and enable timestamping on it. > * > * This is to avoid Chrony from changing timestamping > * user count from 0->1 and vice-versa, causing > * static key enable/disable IPIs. > * > */ > > Start/stop the systemctl service from the realtime-virtual-host > and realtime-virtual-guest profiles. > > Signed-off-by: Marcelo Tosatti <mtosatti(a)redhat.com&gt; > > > diff --git a/profiles/realtime-virtual-guest/script.sh > b/profiles/realtime-virtual-guest/script.sh > new file mode 100644 > index 0000000..0712a4d > --- /dev/null > +++ b/profiles/realtime-virtual-guest/script.sh > @@ -0,0 +1,20 @@ > +#!/bin/sh > + > +. /usr/lib/tuned/functions > + > +start() { > + systemctl start rt-entsk > + return "$?" > +} > + > +stop() { > + systemctl stop rt-entsk > + return "$?" > +} > + > +verify() { > + return "$?" > +} > + > +process $@ > + > diff --git a/profiles/realtime-virtual-host/script.sh > b/profiles/realtime-virtual-host/script.sh > index 32e962d..c7b1621 100755 > --- a/profiles/realtime-virtual-host/script.sh > +++ b/profiles/realtime-virtual-host/script.sh > @@ -98,6 +98,7 @@ start() { > if [ -f $CACHE_VALUE_FILE ]; then > echo `cat $CACHE_VALUE_FILE` > $KVM_LAPIC_FILE > fi > + systemctl start rt-entsk > > return 0 > } > @@ -105,6 +106,7 @@ start() { > stop() { > [ "$1" = "full_rollback" ] && teardown_kvm_mod_low_latency > enable_ksm > + systemctl stop rt-entsk > return "$?" > } > > >