From: David Miller <davem@davemloft.net>
To: jasowang@redhat.com
Cc: netdev@vger.kernel.org,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, mst@redhat.com
Subject: Re: [PATCH net-next V2 0/3] rx busy polling support for virtio-net
Date: Wed, 16 Jul 2014 23:21:16 -0700 (PDT) [thread overview]
Message-ID: <20140716.232116.802194909968085691.davem@davemloft.net> (raw)
In-Reply-To: <1405491707-22706-1-git-send-email-jasowang@redhat.com>
From: Jason Wang <jasowang@redhat.com>
Date: Wed, 16 Jul 2014 14:21:44 +0800
> Hi all:
>
> This series introduces the support for rx busy polling support. This
> was useful for reduing the latency for a kvm guest. Patch 1-2
> introduces helpers which is used for rx busy polling. Patch 3
> implement the main function.
>
> Test was done between a kvm guest and an external host. Two hosts were
> connected through 40gb mlx4 cards. With both busy_poll and busy_read are
> set to 50 in guest, 1 byte netperf tcp_rr shows 116% improvement:
> transaction rate was increased from 9151.94 to 19787.37.
>
> Changes from V1:
> - split the patch info smaller ones
> - add more details about test setup/configuration
>
> Please review.
Looks like you can make some minor adjustments based upon review, and
anyways I'd like to wait for Michael to get back and review a change
of this nature.
Thanks.
next prev parent reply other threads:[~2014-07-17 6:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-16 6:21 [PATCH net-next V2 0/3] rx busy polling support for virtio-net Jason Wang
2014-07-16 6:21 ` [PATCH net-next V2 1/3] virtio-net: introduce helpers to enable and disable all NAPIs Jason Wang
2014-07-16 6:21 ` [PATCH net-next V2 2/3] virtio-net: introduce virtnet_receive() Jason Wang
2014-07-16 6:21 ` [PATCH net-next V2 3/3] virtio-net: rx busy polling support Jason Wang
2014-07-16 8:38 ` Varka Bhadram
2014-07-17 2:55 ` Jason Wang
2014-07-17 3:27 ` Varka Bhadram
2014-07-17 4:43 ` Jason Wang
2014-07-17 4:54 ` Varka Bhadram
2014-07-20 20:31 ` Michael S. Tsirkin
2014-07-21 3:13 ` Jason Wang
2014-07-17 6:21 ` David Miller [this message]
2014-07-17 6:59 ` [PATCH net-next V2 0/3] rx busy polling support for virtio-net Jason Wang
2014-07-20 20:34 ` Michael S. Tsirkin
2014-07-21 3:15 ` Jason Wang
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