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On Mon, Jan 23, 2017 at 11:30 AM, <itv...@gmail.com> wrote: > I have no clue what to Google even. All cpu pinning topics are for virt > isolcpus http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/admin-guide/kernel-parameters.txt#n1669 libvirt vcpu pinning https://libvirt.org/formatdomain.html#elementsCPUTuning libvirt hugepage support https://libvirt.org/formatdomain.html#elementsMemoryTuning man irqbalance If you intend to continue using the QEMU commandline directly, be prepared to do your own research, libvirt is common way to do these things. Thanks, Alex > > *Saatja: *Alex Williamson <alex.l.william...@gmail.com> > *Saadetud: *esmaspäev, 23. jaanuar 2017 19:18 > *Adressaat: *Tiit Talts <itv...@gmail.com> > *Koopia: *vfio-users <vfio-users@redhat.com> > *Teema: *Re: [vfio-users] Stutter in games > > > > [re-adding vfio-users] > > > > On Mon, Jan 23, 2017 at 10:11 AM, <itv...@gmail.com> wrote: > > QEMU command is : > > > > #!/bin/bash > > > > ## PARAMS ############################## > ############################## > > CMD="-name vm2 -enable-kvm" > > CMD="$CMD -machine type=pc,accel=kvm,kernel_irqchip=on,mem-merge=off" > > > > CMD="$CMD -rtc base=localtime,clock=host,driftfix=none" > > > > CMD="$CMD -drive if=pflash,format=raw,readonly,file=/usr/share/ovmf/OVMF_ > CODE.fd" > > CMD="$CMD -drive if=pflash,format=raw,file=/root/vm/vm2.fd" > > > > ## CPU > ############################################################ > +nx > > CMD="$CMD -cpu host,kvm=off,hv_time,hv_relaxed,hv_vapic,hv_spinlocks= > 0x1fff,hv_vendor_id=Nvidia43FIX -smp cores=6" > > > > ## MEM ############################## > ############################## > > CMD="$CMD -m $((8*1024))" ## HOST HAS 16GB > > > > ## PCI-E ############################## > ############################## > > CMD="$CMD -device vfio-pci,host=01:00.0,multifunction=on" > > CMD="$CMD -device vfio-pci,host=01:00.1" > > > > CMD="$CMD -device vfio-pci,host=02:00.0" ## USB 3.0 EATRON > > CMD="$CMD -device vfio-pci,host=04:00.0" ## USB 3.0 EATRON > > > > ## NET ############################## > ############################## > > CMD="$CMD -net nic,model=virtio -net bridge,br=bridge0" > > > > ## DRIVES ############################## > ############################## > > CMD="$CMD -device virtio-blk-pci,drive=device_blk_one" > > CMD="$CMD -drive file=/dev/mapper/debian--vg-windows,format=raw,if=none, > aio=native,cache.direct=on,cache=none,id=device_blk_one" > > > > ## OTHER ############################## > ############################## > > CMD="$CMD -monitor stdio" > > CMD="$CMD -display none" > > CMD="$CMD -vga none" > > CMD="$CMD -nodefaults -nodefconfig" > > > > ## STAR OF THE SHOW > > qemu-system-x86_64 $CMD > > > > > > So the good news is you're already leaving 2 cores for the host, the bad > news is that the next level of tuning you need to do is very difficult when > using QEMU directly from the commandline. libvirt makes is so much easier. > > > > > ------------------------------ > [image: Avast logo] > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > > Seda e-posti on pahavara suhtes Avast viirusetõrjega kontrollitud. > www.avast.com > <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=emailclient> > >
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