import tuned-2.14.0-3.el8_3.1
This commit is contained in:
CentOS Sources
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diff --git a/profiles/realtime-virtual-host/find-lapictscdeadline-optimal.sh b/profiles/realtime-virtual-host/find-lapictscdeadline-optimal.sh
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deleted file mode 100755
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index 539c47e..0000000
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--- a/profiles/realtime-virtual-host/find-lapictscdeadline-optimal.sh
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+++ /dev/null
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@@ -1,30 +0,0 @@
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-#!/bin/bash
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-
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-: ${1?"Usage: $0 latency-file"}
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-
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-lines=`wc -l $1 | cut -f 1 -d " "`
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-in_range=0
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-prev_value=1
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-for i in `seq 1 $lines`; do
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- a=`awk "NR==$i" $1 | cut -f 2 -d ":"`
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- value=$(($a*100/$prev_value))
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- if [ $value -ge 98 -a $value -le 102 ]; then
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- in_range=$(($in_range + 1))
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- else
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- in_range=0
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- fi
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- if [ $in_range -ge 2 ]; then
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- echo -n "optimal value for lapic_timer_advance_ns is: "
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- awk "NR==$(($i - 1))" $1 | cut -f 1 -d ":"
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- exit 0
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- fi
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- prev_value=$a
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-done
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-# if still decreasing, then use highest ns value
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-if [ $value -le 99 ]; then
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- echo -n "optimal value for lapic_timer_advance_ns is: "
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- awk "NR==$(($i - 1))" $1 | cut -f 1 -d ":"
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- exit 0
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-fi
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-echo optimal not found
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-exit 1
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diff --git a/profiles/realtime-virtual-host/script.sh b/profiles/realtime-virtual-host/script.sh
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index edae6c5..a11dac7 100755
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--- a/profiles/realtime-virtual-host/script.sh
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+++ b/profiles/realtime-virtual-host/script.sh
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@@ -2,102 +2,13 @@
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. /usr/lib/tuned/functions
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-CACHE_VALUE_FILE=./lapic_timer_adv_ns
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-CACHE_CPU_FILE=./lapic_timer_adv_ns.cpumodel
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-KVM_LAPIC_FILE=/sys/module/kvm/parameters/lapic_timer_advance_ns
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KTIMER_LOCKLESS_FILE=/sys/kernel/ktimer_lockless_check
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-QEMU=$(type -P qemu-kvm || echo /usr/libexec/qemu-kvm)
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-TSCDEADLINE_LATENCY="/usr/share/qemu-kvm/tscdeadline_latency.flat"
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-[ -f "$TSCDEADLINE_LATENCY" ] || TSCDEADLINE_LATENCY="/usr/share/tuned-profiles-nfv-host-bin/tscdeadline_latency.flat"
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-[ -f "$TSCDEADLINE_LATENCY" ] || TSCDEADLINE_LATENCY="/usr/share/tuned/tscdeadline_latency.flat"
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-
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-run_tsc_deadline_latency()
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-{
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- dir=`mktemp -d`
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-
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- for i in `seq 1000 500 7000`; do
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- echo $i > $KVM_LAPIC_FILE
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-
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- unixpath=`mktemp`
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-
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- chrt -f 1 $QEMU -S -enable-kvm -device pc-testdev \
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- -device isa-debug-exit,iobase=0xf4,iosize=0x4 \
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- -display none -serial stdio -device pci-testdev \
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- -kernel "$TSCDEADLINE_LATENCY" \
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- -cpu host,tsc-deadline=on \
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- -mon chardev=char0,mode=readline \
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- -chardev socket,id=char0,nowait,path=$unixpath,server | grep latency | cut -f 2 -d ":" > $dir/out &
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-
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- sleep 1s
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- pidofvcpu=`echo "info cpus" | ncat -U $unixpath | grep thread_id | cut -f 3 -d "=" | tr -d "\r"`
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- taskset -p -c $1 $pidofvcpu >/dev/null
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- echo "cont" | ncat -U $unixpath >/dev/null
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- wait
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-
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- if [ ! -f $dir/out ]; then
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- die running $TSCDEADLINE_LATENCY failed
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- fi
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-
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- tmp=$(wc -l $dir/out | awk '{ print $1 }')
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- if [ $tmp -eq 0 ]; then
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- die running $TSCDEADLINE_LATENCY failed
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- fi
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-
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- A=0
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- while read l; do
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- A=$(($A+$l))
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- done < $dir/out
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-
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- lines=`wc -l $dir/out | cut -f 1 -d " "`
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- ans=$(($A/$lines))
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- echo $i: $ans
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- done
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-}
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start() {
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setup_kvm_mod_low_latency
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disable_ksm
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- # If CPU model has changed, clean the cache
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- if [ -f $CACHE_CPU_FILE ]; then
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- curmodel=`cat /proc/cpuinfo | grep "model name" | cut -f 2 -d ":" | uniq`
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- if [ -z "$curmodel" ]; then
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- die failed to read CPU model
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- fi
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-
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- genmodel=`cat $CACHE_CPU_FILE`
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-
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- if [ "$curmodel" != "$genmodel" ]; then
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- rm -f $CACHE_VALUE_FILE
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- rm -f $CACHE_CPU_FILE
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- fi
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- fi
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-
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- # If the cache is empty, find the best lapic_timer_advance_ns value
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- # and cache it
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-
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- if [ ! -f $KVM_LAPIC_FILE ]; then
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- die $KVM_LAPIC_FILE not found
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- fi
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-
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- if [ ! -f $CACHE_VALUE_FILE ]; then
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- if [ -f "$TSCDEADLINE_LATENCY" ]; then
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- tempdir=`mktemp -d`
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- isolatedcpu=`echo "$TUNED_isolated_cores_expanded" | cut -f 1 -d ","`
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- run_tsc_deadline_latency $isolatedcpu > $tempdir/lat.out
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- if ! ./find-lapictscdeadline-optimal.sh $tempdir/lat.out > $tempdir/opt.out; then
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- die could not find optimal latency
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- fi
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- echo `cat $tempdir/opt.out | cut -f 2 -d ":"` > $CACHE_VALUE_FILE
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- curmodel=`cat /proc/cpuinfo | grep "model name" | cut -f 2 -d ":" | uniq`
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- echo "$curmodel" > $CACHE_CPU_FILE
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- fi
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- fi
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-
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- if [ -f $CACHE_VALUE_FILE ]; then
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- echo `cat $CACHE_VALUE_FILE` > $KVM_LAPIC_FILE
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- fi
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systemctl start rt-entsk
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if [ -f $KTIMER_LOCKLESS_FILE ]; then
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@ -34,7 +34,7 @@
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Summary: A dynamic adaptive system tuning daemon
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Name: tuned
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Version: 2.14.0
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Release: 3%{?prerel1}%{?dist}
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Release: 3%{?prerel1}%{?dist}.1
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License: GPLv2+
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Source0: https://github.com/redhat-performance/%{name}/archive/v%{version}%{?prerel2}/%{name}-%{version}%{?prerel2}.tar.gz
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# RHEL-8 specific recommend.conf:
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@ -77,6 +77,7 @@ Requires: python3-syspurpose
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%endif
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Patch0: tuned-2.14.0-amd-performance-regression-fix.patch
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Patch1: tuned-2.14.0-scheduler-isolated-cores-cgroups-fix.patch
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Patch2: tuned-2.14.0-realtime-virtual-host-remove-lapic-advancement.patch
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%description
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The tuned package contains a daemon that tunes system settings dynamically.
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@ -186,11 +187,6 @@ Requires: %{name} = %{version}
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Requires: %{name}-profiles-realtime = %{version}
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Requires: tuna
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Requires: nmap-ncat
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%if 0%{?rhel} == 7
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Requires: qemu-kvm-tools-rhev
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%else
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Recommends: tuned-profiles-nfv-host-bin
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%endif
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%description profiles-nfv-host
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Additional tuned profile(s) targeted to Network Function Virtualization (NFV) host.
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@ -232,6 +228,7 @@ It can be also used to fine tune your system for specific scenarios.
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%patch0 -p1
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%patch1 -p1
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%patch2 -p1
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# Replace the upstream recommend.conf with a RHEL-8-specific one
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rm -f recommend.conf
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@ -486,6 +483,11 @@ fi
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%{_mandir}/man7/tuned-profiles-compat.7*
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%changelog
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* Fri Oct 2 2020 Jaroslav Škarvada <jskarvad@redhat.com> - 2.14.0-3.1
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- realtime-virtual-host: remove lapic advancement calculation and
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related qemu-kvm-tools-rhev requirement
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Resolves: rhbz#1884544
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* Fri Jul 3 2020 Jaroslav Škarvada <jskarvad@redhat.com> - 2.14.0-3
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- scheduler: fixed isolated_cores to work with cgroups
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related: rhbz#1784648
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