Messages in this thread |  | | Date | Mon, 09 Apr 2018 11:02:14 -0400 (EDT) | Subject | Re: [PATCH RESEND v2] vhost-net: set packet weight of tx polling to 2 * vq size | From | David Miller <> |
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From: haibinzhang(张海斌) <haibinzhang@tencent.com> Date: Mon, 9 Apr 2018 07:22:17 +0000
> handle_tx will delay rx for tens or even hundreds of milliseconds when tx busy > polling udp packets with small length(e.g. 1byte udp payload), because setting > VHOST_NET_WEIGHT takes into account only sent-bytes but no single packet length. > > Ping-Latencies shown below were tested between two Virtual Machines using > netperf (UDP_STREAM, len=1), and then another machine pinged the client: ... > Acked-by: Michael S. Tsirkin <mst@redhat.com> > Signed-off-by: Haibin Zhang <haibinzhang@tencent.com> > Signed-off-by: Yunfang Tai <yunfangtai@tencent.com> > Signed-off-by: Lidong Chen <lidongchen@tencent.com>
Applied, thank you.
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