[PATCH net-next v5 0/4] net: vhost: improve performance when enable busyloop

Tonghao Zhang
2018-07-11T03:49:02Z

On Wed, Jul 11, 2018 at 10:56 AM Jason Wang <jasowang at redhat.com>
wrote:
>
>
>
> On 2018?07?04? 12:31, xiangxia.m.yue at gmail.com wrote:
> > From: Tonghao Zhang <xiangxia.m.yue at gmail.com>
> >
> > This patches improve the guest receive and transmit performance.
> > On the handle_tx side, we poll the sock receive queue at the same
time.
> > handle_rx do that in the same way.
> >
> > For more performance report, see patch 4.
> >
> > v4 -> v5:
> > fix some issues
> >
> > v3 -> v4:
> > fix some issues
> >
> > v2 -> v3:
> > This patches are splited from previous big patch:
> > http://patchwork.ozlabs.org/patch/934673/
> >
> > Tonghao Zhang (4):
> >    vhost: lock the vqs one by one
> >    net: vhost: replace magic number of lock annotation
> >    net: vhost: factor out busy polling logic to vhost_net_busy_poll()
> >    net: vhost: add rx busy polling in tx path
> >
> >   drivers/vhost/net.c   | 108
++++++++++++++++++++++++++++----------------------
> >   drivers/vhost/vhost.c |  24 ++++-------
> >   2 files changed, 67 insertions(+), 65 deletions(-)
> >
>
> Hi, any progress on the new version?
>
> I plan to send a new series of packed virtqueue support of vhost. If you
> plan to send it soon, I can wait. Otherwise, I will send my series.
I rebase the codes. and find there is no improvement anymore, the
patches of  makita  may solve the problem. jason you may send your
patches, and I will do some research on busypoll.

> Thanks