various ajustements
This commit is contained in:
Massaki Archambault
parent
3fc57c2279
commit
7c4e5b9a17
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@ -1,6 +1,6 @@
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title Archlinux w/ VFIO
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linux /vmlinuz-linux
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linux /vmlinuz-linux-xanmod
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initrd /intel-ucode.img
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initrd /initramfs-linux.img
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options intel_iommu=on iommu=pt intel_iommu=igfx_off experimental_zcopytx=1 kvm.ignore_msrs=1 acpi_backlight=none root=LABEL=ARCHROOT rw
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initrd /initramfs-linux-xanmod.img
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options mitigations=off intel_iommu=on iommu=pt intel_iommu=igfx_off experimental_zcopytx=1 kvm.ignore_msrs=1 acpi_backlight=none root=LABEL=ARCHROOT rw
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@ -1,18 +1,64 @@
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#!/bin/bash
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prepare() {
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systemctl start vm-usb-helper
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echo "Defrag RAM"
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echo 1 > /proc/sys/vm/compact_memory
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for _ in $(seq 5); do
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sleep 3
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# assign hugepages
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sysctl -w vm.nr_hugepages=8192 && break
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done
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sleep 10
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echo "Setup cpuset cgroup for host"
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sudo cset set -c 0,4 -s system
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sudo cset proc -m -f root -t system
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sudo cset proc -k -f root -t system --force
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echo "Setup cpumask"
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for i in /sys/devices/virtual/workqueue/*/cpumask; do
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sudo sh -c "echo 001 > $i"
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done;
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echo "Setup interrupt affinity"
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for i in $(sed -n -e 's/ \([0-9]\+\):.*vfio.*/\1/p' /proc/interrupts); do
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sudo sh -c "echo 0,4 > /proc/irq/$i/smp_affinity_list"
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done
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echo "Set the CPU frequency governor to performance"
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for f in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do
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echo performance >$f
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done
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}
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release() {
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echo "Restore system"
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# irq
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for i in $(sed -n -e 's/ \([0-9]\+\):.*vfio.*/\1/p' /proc/interrupts); do
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sudo sh -c "echo ff > /proc/irq/$i/smp_affinity"
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done
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# cpumask
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for i in /sys/devices/virtual/workqueue/*/cpumask; do
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sudo sh -c "echo ff > $i"
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done;
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# cpuset
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sudo cset set -d system &>/dev/null
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for f in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do
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echo powersave >$f
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done
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systemctl stop vm-usb-helper
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sysctl -w vm.nr_hugepages=0
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}
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if [ "$1" == "win10" ]; then
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if [ "$2" == "prepare" ]; then
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systemctl start vm-usb-helper
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# defrag ram
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echo 1 > /proc/sys/vm/compact_memory
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for _ in $(seq 5); do
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sleep 3
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# assign hugepages
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sysctl -w vm.nr_hugepages=8192 && break
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done
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sleep 10
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prepare
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fi
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if [ "$2" == "release" ]; then
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systemctl stop vm-usb-helper
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sysctl -w vm.nr_hugepages=0
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release
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fi
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fi
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@ -73,8 +73,9 @@
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<timer name='tsc' present='yes' mode='native'/>
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</clock>
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<on_poweroff>destroy</on_poweroff>
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<on_reboot>restart</on_reboot>
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<on_crash>restart</on_crash>
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<!-- Because of the reset bug, we cannot actually restart without restarting the host -->
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<on_reboot>destroy</on_reboot>
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<on_crash>destroy</on_crash>
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<pm>
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<suspend-to-mem enabled='no'/>
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<suspend-to-disk enabled='no'/>
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@ -171,17 +172,18 @@
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</interface>
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<input type='mouse' bus='ps2'/>
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<input type='keyboard' bus='ps2'/>
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<graphics type='spice' autoport='yes' defaultMode="insecure" listen="127.0.0.1" port="5900">
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<listen type='address' address="127.0.0.1"/>
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</graphics>
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<sound model='ich9'>
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<address type='pci' domain='0x0000' bus='0x02' slot='0x02' function='0x0'/>
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</sound>
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<!--
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<hostdev mode='subsystem' type='pci' managed='yes'>
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<source>
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<address domain='0x0000' bus='0x00' slot='0x1f' function='0x6'/>
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</source>
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<address type='pci' domain='0x0000' bus='0x02' slot='0x03' function='0x0'/>
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</hostdev>
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-->
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<hostdev mode='subsystem' type='pci' managed='yes'>
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<source>
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<address domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>
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@ -215,6 +217,7 @@
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<qemu:arg value='input-linux,id=kbd1,evdev=/dev/input/by-path/platform-i8042-serio-0-event-kbd,grab_all=off,repeat=on'/>
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<!-- audio passthrough -->
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<qemu:arg value='-audiodev'/>
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<qemu:arg value='pa,id=pa1,server=/run/user/1000/pulse/native'/>
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<qemu:arg value="driver=pa,id=hda,server=/run/user/1000/pulse/native,out.buffer-length=2000,timer-period=1000"/>
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<!-- <qemu:arg value="driver=pa,id=hda,server=127.0.0.1,out.buffer-length=2000,timer-period=1000"/> -->
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</qemu:commandline>
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</domain>
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@ -89,11 +89,18 @@
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dest: /etc/libvirt/hooks/qemu
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mode: '755'
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- name: configure systemd CPUAffinity
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# - name: configure systemd CPUAffinity
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# lineinfile:
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# path: /etc/systemd/system.conf
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# regexp: '^#?CPUAffinity'
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# line: 'CPUAffinity=0 4'
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- name: configure pulseaudio tcp socket
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lineinfile:
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path: /etc/systemd/system.conf
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regexp: '^#?CPUAffinity'
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line: 'CPUAffinity=0 4'
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path: /etc/pulse/default.pa
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regexp: '^#?load-module module-native-protocol-tcp'
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line: 'load-module module-native-protocol-tcp auth-ip-acl=127.0.0.1 auth-anonymous=1'
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- name: enable libvirtd.socket
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systemd:
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