Re: [Qemu-devel] Lock contention in QEMU

[Stefan Hajnoczi]

On Thu, Dec 15, 2016 at 12:17:09AM -0500, Weiwei Jia wrote:
> BTW, do we have an example to show users how to config following
> virtio-blk dataplane commands into XML configuration file?
> 
> qemu -object iothread,id=iothread0 \
>       -drive if=none,id=drive0,file=test.img,format=raw,cache=none \
>       -device virtio-blk-pci,iothread=iothread0,drive=drive0

https://libvirt.org/formatdomain.html#elementsIOThreadsAllocation

See also <cputune><iothreadpin> and <driver iothread=>.

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