From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Pankaj Gupta <pagupta@redhat.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Jason Wang" <jasowang@redhat.com>,
mst@redhat.com, dgibson@redhat.com,
"Veaceslav Falico" <vfalico@gmail.com>,
"Eric Dumazet" <edumazet@google.com>,
"Vladislav Yasevich" <vyasevic@redhat.com>,
"Jerry Chu" <hkchu@google.com>,
wuzhy@linux.vnet.ibm.com.pnq.redhat.com,
"Pavel Emelianov" <xemul@parallels.com>,
"Tom Herbert" <therbert@google.com>,
bhutchings@solarflare.com, xii@google.com,
"Stephen Hemminger" <stephen@networkplumber.org>,
"Jiří Pírko" <jiri@resnulli.us>,
sergei.shtylyov@cogentembedded.com
Subject: Re: [PATCH net-net 0/4] Increase the limit of tuntap queues
Date: Tue, 18 Nov 2014 17:43:06 -0800 [thread overview]
Message-ID: <CAADnVQKs6Y-47TuxFedT2Xi6OUAJqwGFKhip40cbVewmtw10wQ@mail.gmail.com> (raw)
In-Reply-To: <1416327778-17716-1-git-send-email-pagupta@redhat.com>
On Tue, Nov 18, 2014 at 8:22 AM, Pankaj Gupta <pagupta@redhat.com> wrote:
> Networking under KVM works best if we allocate a per-vCPU rx and tx
> queue in a virtual NIC. This requires a per-vCPU queue on the host side.
...
> I have done some testing to find out any regression and with sample program
> which creates tun/tap for single queue / multiqueue device and it seems to be
> working fine. I will also post the performance numbers.
Sounds quite exciting.
please share recommended setup (queue assignments) and
performance gains you're seeing.
next prev parent reply other threads:[~2014-11-19 1:43 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-18 16:22 [PATCH net-net 0/4] Increase the limit of tuntap queues Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 1/4] net: allow large number of rx queues Pankaj Gupta
2014-11-18 20:29 ` Cong Wang
2014-11-20 16:31 ` Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 2/4] tuntap: Accept tuntap maximum number of queues as sysctl Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 3/4] tuntap: reduce the size of tun_struct by using flex array Pankaj Gupta
2014-11-18 16:22 ` [PATCH net-next 4/4] tuntap: Increase the number of queues in tun Pankaj Gupta
2014-11-19 1:43 ` Alexei Starovoitov [this message]
2014-11-19 20:16 ` [PATCH net-net 0/4] Increase the limit of tuntap queues David Miller
2014-11-19 20:44 ` Michael S. Tsirkin
2014-11-23 5:22 ` Pankaj Gupta
2014-11-23 10:46 ` Michael S. Tsirkin
2014-11-23 18:43 ` David Miller
2014-11-23 20:30 ` Michael S. Tsirkin
2014-11-24 1:23 ` David Miller
2014-11-24 8:02 ` Michael S. Tsirkin
2014-11-24 14:28 ` Pankaj Gupta
2014-11-24 3:23 ` Jason Wang
2014-11-24 7:55 ` Michael S. Tsirkin
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