From: "Michael S. Tsirkin" <mst@redhat.com>
To: David Miller <davem@davemloft.net>
Cc: jasowang@redhat.com, kvm@vger.kernel.org,
virtualization@lists.linux-foundation.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 0/2] vhost_net polling optimization
Date: Fri, 3 Jun 2016 16:03:25 +0300 [thread overview]
Message-ID: <20160603160259-mutt-send-email-mst@redhat.com> (raw)
In-Reply-To: <20160602.120806.2233781548139724198.davem@davemloft.net>
On Thu, Jun 02, 2016 at 12:08:06PM -0700, David Miller wrote:
> From: Jason Wang <jasowang@redhat.com>
> Date: Wed, 1 Jun 2016 01:56:32 -0400
>
> > This series tries to optimize vhost_net polling at two points:
> >
> > - Stop rx polling for reduicng the unnecessary wakeups during
> > handle_rx().
> > - Conditonally enable tx polling for reducing the unnecessary
> > traversing and spinlock touching.
> >
> > Test shows about 17% improvement on rx pps.
> >
> > Please review
> >
> > Changes from V2:
> > - Don't enable rx vq if we meet an err or rx vq is empty
> > Changes from V1:
> > - use vhost_net_disable_vq()/vhost_net_enable_vq() instead of open
> > coding.
> > - Add a new patch for conditionally enable tx polling.
>
> Michael, please review this patch series.
>
> Thanks.
thanks for the reminder, I plan to review next week.
prev parent reply other threads:[~2016-06-03 13:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-01 5:56 [PATCH V3 0/2] vhost_net polling optimization Jason Wang
2016-06-01 5:56 ` [PATCH V3 1/2] vhost_net: stop polling socket during rx processing Jason Wang
2016-06-07 12:23 ` Michael S. Tsirkin
2016-06-07 21:46 ` David Miller
2016-06-01 5:56 ` [PATCH V3 2/2] vhost_net: conditionally enable tx polling Jason Wang
2016-06-07 12:26 ` Michael S. Tsirkin
2016-06-08 6:48 ` Jason Wang
2016-06-02 19:08 ` [PATCH V3 0/2] vhost_net polling optimization David Miller
2016-06-03 13:03 ` Michael S. Tsirkin [this message]
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