[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] use qemu dataplane report '.x-data-plane' not found
|
From: |
Stefan Hajnoczi |
|
Subject: |
Re: [Qemu-devel] use qemu dataplane report '.x-data-plane' not found |
|
Date: |
Fri, 20 Oct 2017 12:21:58 +0200 |
|
User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Mon, Oct 16, 2017 at 01:28:42PM +0100, Daniel P. Berrange wrote:
> On Mon, Oct 16, 2017 at 08:19:36PM +0800, Paul Schlacter wrote:
> > qemu-kvm: -device
> > virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1:
> > Property '.x-data-plane' not found
> >
> > What is wrong with this report? is Compiler qemu lost parameters?
>
> This option was deleted almost 2 years ago.
>
> It was only ever a temporary hack to let people do performance testing,
> while the proper long term solution was implemented. It is replaced by
> the 'iothread' concept - see docs/devel/multiple-iothreads.txt
>
> NB any property whose name starts with 'x-' is a temporary hack that is
> liable to be deleted at any time.
In addition to what Dan has posted, libvirt has added domain XML syntax
for IOThreads. That means it's no longer necessary to manually pass
QEMU command-line options if you use libvirt:
https://libvirt.org/formatdomain.html#elementsIOThreadsAllocation
Stefan