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tuned-2.18.0 released
by Jaroslav Skarvada 10 Feb '22

10 Feb '22

This is to announce tuned-2.18.0, a stable release. TuneD is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. Changes since the previous rc.1 release: - tuned-gui: fixed creation of new profile (#410) For full changes see the git log: https://github.com/redhat-performance/tuned/commits/v2.18.0 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.18.0 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.18.0/tuned-2.18.0.ta… Upstream homepage: http://www.tuned-project.org/

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tuned-2.18.0-rc.1 released
by Jaroslav Skarvada 02 Feb '22

02 Feb '22

This is to announce tuned-2.18.0-rc.1, a pre-release. TuneD is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. Noteworthy changes since previous release: - profiles: fix improper parsing of include directive resolves: rhbz#2017924 - disk: added support for the nvme resolves: rhbz#1854816 - cpu: extended cstate force_latency syntax to allow skipping zero latency resolves: rhbz#2002744 - net: added support for the txqueuelen resolves: rhbz#2015044 - bootloader: on s390(x) remove TuneD variables from the BLS resolves: rhbz#1978786 - daemon: don't do full rollback on systemd failure resolves: rhbz#2011459 - spec: do not require subscription-manager on CentOS resolves: rhbz#2028865 For full changes see git log: https://github.com/redhat-performance/tuned/commits/v2.18.0-rc.1 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.18.0-rc.1 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.18.0-rc.1.tar.gz Upstream homepage: http://www.tuned-project.org/

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tuned-2.17.0 released
by Jaroslav Skarvada 17 Jan '22

17 Jan '22

This is to announce tuned-2.17.0, a stable release. Tuned is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. There was no change since the previous RC release. For full changes see git log: https://github.com/redhat-performance/tuned/commits/v2.17.0 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.17.0 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.17.0/tuned-2.17.0.ta… Upstream homepage: http://www.tuned-project.org/

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tuned-2.17.0-rc.1 released
by Jaroslav Skarvada 02 Jan '22

02 Jan '22

This is to announce tuned-2.17.0-rc.1, a pre-release. Tuned is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. Noteworthy changes since previous release: - cpu-partitioning: fixed no_balance_cores on newer kernels resolves: rhbz#1874596 - scheduler: allow exclude of processes from the specific cgroup(s) resolves: rhbz#1980715 - switched to the configparser from the configobj resolves: rhbz#1936386 - spec: do not require subscription-manager on CentOS resolves: rhbz#2029405 For full changes see git log: https://github.com/redhat-performance/tuned/commits/v2.17.0-rc.1 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.17.0-rc.1 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.17.0-rc.1.tar.gz Upstream homepage: http://www.tuned-project.org/

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tuned-2.16.0 released
by Jaroslav Skarvada 21 Jul '21

21 Jul '21

This is to announce tuned-2.16.0, a stable release. Tuned is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. There was no noteworthy change since the previous RC release. For full changes see git log: https://github.com/redhat-performance/tuned/commits/v2.16.0 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.16.0 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.16.0/tuned-2.16.0.ta… Upstream homepage: http://www.tuned-project.org/

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tuned-2.16.0-rc.1 released
by Jaroslav Skarvada 07 Jul '21

07 Jul '21

This is to announce tuned-2.16.0-rc.1, a pre-release. Tuned is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. Noteworthy changes since previous release: - project renamed to TuneD to emphasize correct pronunciation - fixed multiple inheritance problem where parents include a common ancestor resolves: rhbz#1825882 - bootloader: added support for the rpm-ostree resolves: rhbz#1950164 - abstracted sched_* and numa_* tunings for kernel 5.13 and newer - dropped python-schedutils and python-decorator dependencies - realtime: changed the default to "isolcpus=domain,managed_irq,X-Y" resolves: rhbz#1820626 - net: fixed various tracebacks resolves: rhbz#1943291, rhbz#1944686 - realtime: improved profile verification resolves: rhbz#1947858 - updated TuneD profiles For full changes see git log: https://github.com/redhat-performance/tuned/commits/v2.16.0-rc.1 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.16.0-rc.1 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.16.0-rc.1.tar.gz Upstream homepage: http://www.tuned-project.org/

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tuned-2.15.0 released
by Jaroslav Skarvada 17 Dec '20

17 Dec '20

This is to announce tuned-2.15.0, a stable release. Tuned is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. There was no noteworthy change since the previous RC release. For full changes see git log: https://github.com/redhat-performance/tuned/commits/v2.15.0 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.15.0 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.15.0.tar.gz Upstream homepage: http://www.tuned-project.org/

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tuned-2.15.0-rc.1 released
by Jaroslav Skarvada 02 Dec '20

02 Dec '20

This is to announce tuned-2.15.0-rc.1, a pre-release. Tuned is a tool that performs monitoring and adaptive configuration of the system according to the selected profile. Noteworthy changes since previous release: - added plugin service for linux services control resolves: rhbz#1869991 - scheduler: added default_irq_smp_affinity option resolves: rhbz#1896348 - bootloader: skip boom managed BLS snippets resolves: rhbz#1901532 - scheduler: added perf_process_fork option to enable processing of fork resolves: rhbz#1894610 - scheduler: added perf_mmap_pages option to set perf buffer size resolves: rhbz#1890219 - bootloader: fixed cmdline duplication with BLS and grub2-mkconfig resolves: rhbz#1777874 For full changes see git log: https://github.com/redhat-performance/tuned/commits/v2.15.0-rc.1 Release page: https://github.com/redhat-performance/tuned/releases/tag/v2.15.0-rc.1 Direct download link: https://github.com/redhat-performance/tuned/archive/v2.15.0-rc.1.tar.gz Upstream homepage: http://www.tuned-project.org/

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Re: [patch 0/2] rt-entsk plugin
by Jaroslav Skarvada 23 Jul '20

23 Jul '20

----- Original Message ----- > Add a plugin to replace the systemd's rt-entsk service (which is OpenShift > friendlier). > > > Hi, thanks guys, upstream PR: https://github.com/redhat-performance/tuned/pull/289 It would be also great to document the plugin in: https://github.com/redhat-performance/tuned/blob/master/doc/manual/modules/… thanks & regards Jaroslav

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Re: [PATCH] realtime-virtual-host profile: remove lapic advancement calculation
by Jaroslav Skarvada 22 Jul '20

22 Jul '20

Upstream PR: https://github.com/redhat-performance/tuned/pull/288 ----- Original Message ----- > On Wed, Jul 22, 2020 at 04:06:10AM -0400, Jaroslav Skarvada wrote: > > Hi, > > > > thanks for the patch. It seems we can also drop the > > tuned-profiles-nfv-host-bin > > package from next RHELs, because it was used only for this calculation > > > > thanks & regards > > > > Jaroslav > > Yep! > > > > > ----- Original Message ----- > > > Thanks for the patch Marcelo. I believe the tuned.spec file should also > > > be > > > updated > > > now that qemu-kvm-tools-rhev package doesn't seem to be needed? > > > > > > On Tue, Jul 21, 2020 at 7:21 PM Marcelo Tosatti <mtosatti(a)redhat.com> > > > wrote: > > > > > > > > > > > The LAPIC advancement improvement is minimal (3 or 4 us) and its > > > > calculation has shown to be problematic under certain > > > > scenarios (for example if qemu-kvm is not installed). > > > > > > > > Remove it. > > > > > > > > Signed-off-by: Marcelo Tosatti <mtosatti(a)redhat.com> > > > > > > > > diff --git > > > > a/profiles/realtime-virtual-host/find-lapictscdeadline-optimal.sh > > > > b/profiles/realtime-virtual-host/find-lapictscdeadline-optimal.sh > > > > deleted file mode 100755 > > > > index 539c47e..0000000 > > > > --- a/profiles/realtime-virtual-host/find-lapictscdeadline-optimal.sh > > > > +++ /dev/null > > > > @@ -1,30 +0,0 @@ > > > > -#!/bin/bash > > > > - > > > > -: ${1?"Usage: $0 latency-file"} > > > > - > > > > -lines=`wc -l $1 | cut -f 1 -d " "` > > > > -in_range=0 > > > > -prev_value=1 > > > > -for i in `seq 1 $lines`; do > > > > - a=`awk "NR==$i" $1 | cut -f 2 -d ":"` > > > > - value=$(($a*100/$prev_value)) > > > > - if [ $value -ge 98 -a $value -le 102 ]; then > > > > - in_range=$(($in_range + 1)) > > > > - else > > > > - in_range=0 > > > > - fi > > > > - if [ $in_range -ge 2 ]; then > > > > - echo -n "optimal value for lapic_timer_advance_ns is: " > > > > - awk "NR==$(($i - 1))" $1 | cut -f 1 -d ":" > > > > - exit 0 > > > > - fi > > > > - prev_value=$a > > > > -done > > > > -# if still decreasing, then use highest ns value > > > > -if [ $value -le 99 ]; then > > > > - echo -n "optimal value for lapic_timer_advance_ns is: " > > > > - awk "NR==$(($i - 1))" $1 | cut -f 1 -d ":" > > > > - exit 0 > > > > -fi > > > > -echo optimal not found > > > > -exit 1 > > > > diff --git a/profiles/realtime-virtual-host/script.sh > > > > b/profiles/realtime-virtual-host/script.sh > > > > index edae6c5..a11dac7 100755 > > > > --- a/profiles/realtime-virtual-host/script.sh > > > > +++ b/profiles/realtime-virtual-host/script.sh > > > > @@ -2,102 +2,13 @@ > > > > > > > > . /usr/lib/tuned/functions > > > > > > > > -CACHE_VALUE_FILE=./lapic_timer_adv_ns > > > > -CACHE_CPU_FILE=./lapic_timer_adv_ns.cpumodel > > > > -KVM_LAPIC_FILE=/sys/module/kvm/parameters/lapic_timer_advance_ns > > > > KTIMER_LOCKLESS_FILE=/sys/kernel/ktimer_lockless_check > > > > -QEMU=$(type -P qemu-kvm || echo /usr/libexec/qemu-kvm) > > > > -TSCDEADLINE_LATENCY="/usr/share/qemu-kvm/tscdeadline_latency.flat" > > > > -[ -f "$TSCDEADLINE_LATENCY" ] || > > > > TSCDEADLINE_LATENCY="/usr/share/tuned-profiles-nfv-host-bin/tscdeadline_latency.flat" > > > > -[ -f "$TSCDEADLINE_LATENCY" ] || > > > > TSCDEADLINE_LATENCY="/usr/share/tuned/tscdeadline_latency.flat" > > > > - > > > > -run_tsc_deadline_latency() > > > > -{ > > > > - dir=`mktemp -d` > > > > - > > > > - for i in `seq 1000 500 7000`; do > > > > - echo $i > $KVM_LAPIC_FILE > > > > - > > > > - unixpath=`mktemp` > > > > - > > > > - chrt -f 1 $QEMU -S -enable-kvm -device pc-testdev \ > > > > - -device isa-debug-exit,iobase=0xf4,iosize=0x4 \ > > > > - -display none -serial stdio -device pci-testdev \ > > > > - -kernel "$TSCDEADLINE_LATENCY" \ > > > > - -cpu host,tsc-deadline=on \ > > > > - -mon chardev=char0,mode=readline \ > > > > - -chardev socket,id=char0,nowait,path=$unixpath,server | > > > > grep > > > > latency | cut -f 2 -d ":" > $dir/out & > > > > - > > > > - sleep 1s > > > > - pidofvcpu=`echo "info cpus" | ncat -U $unixpath | grep > > > > thread_id > > > > | cut -f 3 -d "=" | tr -d "\r"` > > > > - taskset -p -c $1 $pidofvcpu >/dev/null > > > > - echo "cont" | ncat -U $unixpath >/dev/null > > > > - wait > > > > - > > > > - if [ ! -f $dir/out ]; then > > > > - die running $TSCDEADLINE_LATENCY failed > > > > - fi > > > > - > > > > - tmp=$(wc -l $dir/out | awk '{ print $1 }') > > > > - if [ $tmp -eq 0 ]; then > > > > - die running $TSCDEADLINE_LATENCY failed > > > > - fi > > > > - > > > > - A=0 > > > > - while read l; do > > > > - A=$(($A+$l)) > > > > - done < $dir/out > > > > - > > > > - lines=`wc -l $dir/out | cut -f 1 -d " "` > > > > - ans=$(($A/$lines)) > > > > - echo $i: $ans > > > > - done > > > > -} > > > > > > > > start() { > > > > setup_kvm_mod_low_latency > > > > > > > > disable_ksm > > > > > > > > - # If CPU model has changed, clean the cache > > > > - if [ -f $CACHE_CPU_FILE ]; then > > > > - curmodel=`cat /proc/cpuinfo | grep "model name" | cut -f 2 -d > > > > ":" > > > > | uniq` > > > > - if [ -z "$curmodel" ]; then > > > > - die failed to read CPU model > > > > - fi > > > > - > > > > - genmodel=`cat $CACHE_CPU_FILE` > > > > - > > > > - if [ "$curmodel" != "$genmodel" ]; then > > > > - rm -f $CACHE_VALUE_FILE > > > > - rm -f $CACHE_CPU_FILE > > > > - fi > > > > - fi > > > > - > > > > - # If the cache is empty, find the best lapic_timer_advance_ns > > > > value > > > > - # and cache it > > > > - > > > > - if [ ! -f $KVM_LAPIC_FILE ]; then > > > > - die $KVM_LAPIC_FILE not found > > > > - fi > > > > - > > > > - if [ ! -f $CACHE_VALUE_FILE ]; then > > > > - if [ -f "$TSCDEADLINE_LATENCY" ]; then > > > > - tempdir=`mktemp -d` > > > > - isolatedcpu=`echo "$TUNED_isolated_cores_expanded" | cut > > > > -f > > > > 1 -d ","` > > > > - run_tsc_deadline_latency $isolatedcpu > $tempdir/lat.out > > > > - if ! ./find-lapictscdeadline-optimal.sh $tempdir/lat.out > > > > > > > > > $tempdir/opt.out; then > > > > - die could not find optimal latency > > > > - fi > > > > - echo `cat $tempdir/opt.out | cut -f 2 -d ":"` > > > > > $CACHE_VALUE_FILE > > > > - curmodel=`cat /proc/cpuinfo | grep "model name" | cut -f > > > > 2 > > > > -d ":" | uniq` > > > > - echo "$curmodel" > $CACHE_CPU_FILE > > > > - fi > > > > - fi > > > > - > > > > - if [ -f $CACHE_VALUE_FILE ]; then > > > > - echo `cat $CACHE_VALUE_FILE` > $KVM_LAPIC_FILE > > > > - fi > > > > systemctl start rt-entsk > > > > > > > > if [ -f $KTIMER_LOCKLESS_FILE ]; then > > > > > > > > > > > >

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