[Virtio-fs] [PATCH][RFC] Support multiqueue mode by setting cpu affinity
Eryu Guan
eguan at linux.alibaba.com
Fri Apr 24 02:15:00 UTC 2020
Hi Jun,
On Wed, Aug 28, 2019 at 03:05:01PM +0800, piaojun wrote:
>
>
> On 2019/8/27 22:42, Stefan Hajnoczi wrote:
> > On Mon, Aug 26, 2019 at 09:08:20AM +0800, piaojun wrote:
> >> On 2019/8/21 23:38, Stefan Hajnoczi wrote:
> >>> On Fri, Aug 09, 2019 at 02:04:54PM +0800, piaojun wrote:
> >>>> Set cpu affinity for each queue in multiqueue mode to improve the iops
> >>>> performance.
[snip]
> >
> > Doing the setup before entering the sandbox sounds like a good idea.
> > That way the sandbox does not need to whitelist the required syscalls.
> >
> > Will you add an option similar to:
> >
> > --request-queues N
> > --request-queue-cpu-affinity N=CPU_A[,CPU_B][-CPU_C]
> >
> > ?
>
> I'm writing the multi-queue code for virtiofsd according to your
> suggestion, but the final shape may look a bit different.
Just curious, what's the status of this multi-queue support? I'd like to
try it out :)
Thanks,
Eryu
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