Marcelo Tosatti wrote:
> Use asynchronous IO in the virtio block QEMU driver.
>
> virtio_blk_handle_output should not block for long periods, since it
> holds the mutex lock prohibiting other vcpu's from doing IO to QEMU
> devices. Without AIO write intensive benchmarks make guests hang for
> sever
Marcelo Tosatti wrote:
> Use asynchronous IO in the virtio block QEMU driver.
>
> virtio_blk_handle_output should not block for long periods, since it
> holds the mutex lock prohibiting other vcpu's from doing IO to QEMU
> devices. Without AIO write intensive benchmarks make guests hang for
> sever
Use asynchronous IO in the virtio block QEMU driver.
virtio_blk_handle_output should not block for long periods, since it
holds the mutex lock prohibiting other vcpu's from doing IO to QEMU
devices. Without AIO write intensive benchmarks make guests hang for
several seconds. Write performance als