From: "Michael S. Tsirkin" <mst@redhat.com>
To: Krishna Kumar2 <krkumar2@in.ibm.com>
Cc: davem@davemloft.net, eric.dumazet@gmail.com, kvm@vger.kernel.org,
netdev@vger.kernel.org, rusty@rustcorp.com.au
Subject: Re: [PATCH 0/4] [RFC] virtio-net: Improve small packet performance
Date: Thu, 5 May 2011 18:42:45 +0300 [thread overview]
Message-ID: <20110505154245.GB2168@redhat.com> (raw)
In-Reply-To: <OFB1ACC9EB.4567C1B1-ON65257887.0050044B-65257887.0054A5CE@in.ibm.com>
On Thu, May 05, 2011 at 08:57:13PM +0530, Krishna Kumar2 wrote:
> "Michael S. Tsirkin" <mst@redhat.com> wrote on 05/05/2011 02:34:39 PM:
>
> > > Do I need to apply all the patches and simply test?
> > >
> > > Thanks,
> > >
> > > - KK
> >
> > Exactly. You can also try to tune the threshold
> > for interrupts as well.
>
> I haven't tuned the threshhold, it is left it at 3/4. I ran
> the new qemu/vhost/guest, and the results for 1K, 2K and 16K
> are below. Note this is a different kernel version from my
> earlier test results. So, f.e., BW1 represents 2.6.39-rc2,
> the original kernel; while BW2 represents 2.6.37-rc5 (MST's
> kernel). This also isn't with the fixes you have sent just
> now. I will get a run with that either late tonight or
> tomorrow.
One thing I'd suggest is merging v2.6.39-rc6 into that tree.
rc2 is still pretty early, reason I use it is because that is
what net-next is.
--
MST
next prev parent reply other threads:[~2011-05-05 15:43 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-04 14:02 [PATCH 0/4] [RFC] virtio-net: Improve small packet performance Krishna Kumar
2011-05-04 14:03 ` [PATCH 1/4] [RFC] netdevice: Introduce per-txq xmit_restart Krishna Kumar
2011-05-04 14:03 ` [PATCH 2/4] [RFC] virtio: Introduce new API to get free space Krishna Kumar
2011-05-04 14:50 ` Michael S. Tsirkin
2011-05-04 20:00 ` Michael S. Tsirkin
2011-05-05 3:08 ` Krishna Kumar2
2011-05-05 9:13 ` Michael S. Tsirkin
2011-05-04 19:58 ` Michael S. Tsirkin
2011-05-04 14:03 ` [PATCH 3/4] [RFC] virtio-net: Changes to virtio-net driver Krishna Kumar
2011-05-05 12:28 ` Michael S. Tsirkin
2011-05-04 14:03 ` [PATCH 4/4] [RFC] sched: Changes to dequeue_skb Krishna Kumar
2011-05-04 14:46 ` [PATCH 0/4] [RFC] virtio-net: Improve small packet performance Michael S. Tsirkin
2011-05-04 14:59 ` Krishna Kumar2
2011-05-04 21:23 ` Michael S. Tsirkin
2011-05-05 8:03 ` Krishna Kumar2
2011-05-05 9:04 ` Michael S. Tsirkin
2011-05-05 9:43 ` Krishna Kumar2
2011-05-05 10:12 ` Michael S. Tsirkin
2011-05-05 10:57 ` Krishna Kumar2
2011-05-05 15:27 ` Krishna Kumar2
2011-05-05 15:34 ` Michael S. Tsirkin
2011-05-07 7:15 ` Krishna Kumar2
2011-05-05 15:36 ` Krishna Kumar2
2011-05-05 15:37 ` Michael S. Tsirkin
2011-05-05 15:42 ` Michael S. Tsirkin [this message]
-- strict thread matches above, loose matches on Subject: below --
2011-05-04 14:10 Krishna Kumar
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