From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bk0-f43.google.com (mail-bk0-f43.google.com [209.85.214.43]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 39C8D208AB4; Wed, 9 May 2012 00:32:09 -0700 (PDT) Received: by bkty5 with SMTP id y5so12425570bkt.16 for ; Wed, 09 May 2012 00:32:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:subject:from:to:cc:date:in-reply-to:references :content-type:x-mailer:content-transfer-encoding:mime-version; bh=Sd4iurgcVkEfIHli+eYLcxMa6p6o44uwAmVlECkTkc8=; b=zo7MqIGixPIKIaWuhMhnU67xnjarScHrPCkBNqXvNzqoAciopq1K/5U07Lgi8OfeN2 LVl9mwKZ2+64+m1kDnCM8esrVgxOTRqDkWlITy25/rBEA9z2L5SAnH2MbXmBzIr+RqPu /42QiYyCXc8J37pKxdb8KdsgSvOlqZR804LN5AIbFzrFDH0vfi+9nswidX6znz9c2UOn eLMiPsKWOJT0fh9AbPWNcf7g2j9kJZIWnwafwlxYtiH7Uqjz3CNqynFXTKtDbEG4Lh73 kHxGXV8kWajCnAGE1lJ5YykbAP1eGeQvNBpS1khbWMWH4x980k8/Rpa7RD6T9QsSzo/B E0ZA== Received: by 10.204.153.21 with SMTP id i21mr7395343bkw.38.1336548727604; Wed, 09 May 2012 00:32:07 -0700 (PDT) Received: from [172.30.42.23] (122.237.66.86.rev.sfr.net. [86.66.237.122]) by mx.google.com with ESMTPS id n19sm2774842bkv.14.2012.05.09.00.32.05 (version=SSLv3 cipher=OTHER); Wed, 09 May 2012 00:32:06 -0700 (PDT) Message-ID: <1336548724.21775.7.camel@edumazet-laptop> From: Eric Dumazet To: Dave Taht Date: Wed, 09 May 2012 09:32:04 +0200 In-Reply-To: References: <4FA9FDC0.9010600@superduper.net> <1336542018.3752.3235.camel@edumazet-glaptop> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.2.3-0ubuntu6 Content-Transfer-Encoding: 7bit Mime-Version: 1.0 Cc: codel@lists.bufferbloat.net, bloat Subject: [Codel] [codel] some numbers on dual 10Gb links X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 May 2012 07:32:10 -0000 Some results on my setup (2 fibers at 10Gb), but my remote machine is a slow quadcore (Q6600). I am waiting net-next compiles on this one so that I can reverse the test (sender on the slow machine) 10 netperf on one fiber, 10 netperf on the second one. TC Setup : EST="est 1sec 4sec" DEV=eth7 ethtool -K $DEV tso off gso off tc qdisc del dev $DEV root 2>/dev/null tc qdisc add dev $DEV root handle 1: $EST htb default 1 tc class add dev $DEV parent 1: classid 1:1 $EST \ htb rate 4000Mbit mtu 1500 quantum 1514 tc qdisc add dev $DEV parent 1:1 handle 10: $EST \ codel ecn target 500us interval 10ms limit 2000 DEV=eth8 ethtool -K $DEV tso off gso off tc qdisc del dev $DEV root 2>/dev/null tc qdisc add dev $DEV root handle 1: $EST htb default 1 tc class add dev $DEV parent 1: classid 1:1 $EST \ htb rate 4000Mbit mtu 1500 quantum 1514 tc qdisc add dev $DEV parent 1:1 handle 10: $EST \ codel ecn target 500us interval 10ms limit 2000 # tc -s -d qdisc qdisc htb 1: dev eth7 root refcnt 33 r2q 10 default 1 direct_packets_stat 0 ver 3.17 Sent 279883414602 bytes 184874085 pkt (dropped 0, overlimits 70072116 requeues 20193) rate 3282Mbit 271033pps backlog 0b 368p requeues 20193 qdisc codel 10: dev eth7 parent 1:1 ecn limit 2000p minbytes 1514 target 499us interval 10.0ms Sent 279882995224 bytes 184873808 pkt (dropped 0, overlimits 0 requeues 0) rate 3282Mbit 271033pps backlog 557152b 368p requeues 0 count 3 delay 1.5ms ecn_mark 15130 drop_overlimit 0 states 184873808 : 39403313 9921 5209 qdisc htb 1: dev eth8 root refcnt 33 r2q 10 default 1 direct_packets_stat 0 ver 3.17 Sent 279835644380 bytes 184841333 pkt (dropped 0, overlimits 70249151 requeues 20188) rate 3290Mbit 271687pps backlog 0b 266p requeues 20188 qdisc codel 10: dev eth8 parent 1:1 ecn limit 2000p minbytes 1514 target 499us interval 10.0ms Sent 279835421822 bytes 184841186 pkt (dropped 0, overlimits 0 requeues 0) rate 3290Mbit 271687pps backlog 405752b 268p requeues 0 count 3 delay 1.0ms ecn_mark 15068 drop_overlimit 0 states 184841186 : 39470075 9793 5275 # ping 192.168.99.2 PING 192.168.99.2 (192.168.99.2) 56(84) bytes of data. 64 bytes from 192.168.99.2: icmp_req=1 ttl=64 time=0.072 ms 64 bytes from 192.168.99.2: icmp_req=2 ttl=64 time=0.087 ms 64 bytes from 192.168.99.2: icmp_req=3 ttl=64 time=0.338 ms 64 bytes from 192.168.99.2: icmp_req=4 ttl=64 time=0.810 ms 64 bytes from 192.168.99.2: icmp_req=5 ttl=64 time=0.827 ms 64 bytes from 192.168.99.2: icmp_req=6 ttl=64 time=1.22 ms 64 bytes from 192.168.99.2: icmp_req=7 ttl=64 time=0.840 ms 64 bytes from 192.168.99.2: icmp_req=8 ttl=64 time=0.898 ms 64 bytes from 192.168.99.2: icmp_req=9 ttl=64 time=1.66 ms 64 bytes from 192.168.99.2: icmp_req=10 ttl=64 time=0.886 ms 64 bytes from 192.168.99.2: icmp_req=11 ttl=64 time=0.571 ms 64 bytes from 192.168.99.2: icmp_req=12 ttl=64 time=0.422 ms 64 bytes from 192.168.99.2: icmp_req=13 ttl=64 time=0.259 ms 64 bytes from 192.168.99.2: icmp_req=14 ttl=64 time=1.47 ms 64 bytes from 192.168.99.2: icmp_req=15 ttl=64 time=1.32 ms 64 bytes from 192.168.99.2: icmp_req=16 ttl=64 time=0.765 ms 64 bytes from 192.168.99.2: icmp_req=17 ttl=64 time=1.23 ms 64 bytes from 192.168.99.2: icmp_req=18 ttl=64 time=1.36 ms 64 bytes from 192.168.99.2: icmp_req=19 ttl=64 time=0.151 ms 64 bytes from 192.168.99.2: icmp_req=20 ttl=64 time=2.14 ms 64 bytes from 192.168.99.2: icmp_req=21 ttl=64 time=1.12 ms ^C --- 192.168.99.2 ping statistics --- 21 packets transmitted, 21 received, 0% packet loss, time 20008ms rtt min/avg/max/mdev = 0.072/0.879/2.144/0.540 ms