From: Eric Dumazet <eric.dumazet@gmail.com>
To: Rick Jones <rick.jones2@hp.com>
Cc: nanditad@google.com, netdev@vger.kernel.org,
mattmathis@google.com, codel@lists.bufferbloat.net,
ncardwell@google.com, David Miller <davem@davemloft.net>
Subject: Re: [Codel] [RFC PATCH v2] tcp: TCP Small Queues
Date: Thu, 12 Jul 2012 09:34:19 +0200 [thread overview]
Message-ID: <1342078459.3265.8244.camel@edumazet-glaptop> (raw)
In-Reply-To: <1342050592.3265.8195.camel@edumazet-glaptop>
On Thu, 2012-07-12 at 01:49 +0200, Eric Dumazet wrote:
> The 10Gb receiver is a net-next kernel, but the 1Gb receiver is a 2.6.38
> ubuntu kernel. They probably have very different TCP behavior.
I tested TSQ on bnx2x and 10Gb links.
I get full rate even using 65536 bytes for
the /proc/sys/net/ipv4/tcp_limit_output_bytes tunable
OMNI Send TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.246.8.37 () port 0 AF_INET : histogram
Local Remote Local Elapsed Throughput Throughput Local Local Remote Remote Local Remote Service
Send Socket Recv Socket Send Time Units CPU CPU CPU CPU Service Service Demand
Size Size Size (sec) Util Util Util Util Demand Demand Units
Final Final % Method % Method
1606536 2097152 16384 20.00 9411.12 10^6bits/s 2.40 S 4.27 S 0.502 0.892 usec/KB
next prev parent reply other threads:[~2012-07-12 7:34 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-28 17:07 [Codel] [PATCH net-next] fq_codel: report congestion notification at enqueue time Eric Dumazet
2012-06-28 17:51 ` Dave Taht
2012-06-28 18:12 ` Eric Dumazet
2012-06-28 22:56 ` Yuchung Cheng
2012-06-28 23:47 ` Dave Taht
2012-06-29 4:50 ` Eric Dumazet
2012-06-29 5:24 ` Dave Taht
2012-07-04 10:11 ` [Codel] [RFC PATCH] tcp: limit data skbs in qdisc layer Eric Dumazet
2012-07-09 7:08 ` David Miller
2012-07-09 8:03 ` Eric Dumazet
2012-07-09 8:48 ` Eric Dumazet
2012-07-09 14:55 ` Eric Dumazet
2012-07-10 13:28 ` Lin Ming
2012-07-10 15:13 ` [Codel] [RFC PATCH v2] tcp: TCP Small Queues Eric Dumazet
2012-07-10 17:06 ` Eric Dumazet
2012-07-10 17:37 ` Yuchung Cheng
2012-07-10 18:32 ` Eric Dumazet
2012-07-11 15:11 ` Eric Dumazet
2012-07-11 15:16 ` Ben Greear
2012-07-11 15:25 ` Eric Dumazet
2012-07-11 15:43 ` Ben Greear
2012-07-11 15:54 ` Eric Dumazet
2012-07-11 16:03 ` Ben Greear
2012-07-11 18:23 ` Rick Jones
2012-07-11 23:38 ` Eric Dumazet
2012-07-11 18:44 ` Rick Jones
2012-07-11 23:49 ` Eric Dumazet
2012-07-12 7:34 ` Eric Dumazet [this message]
2012-07-12 7:37 ` David Miller
2012-07-12 7:51 ` Eric Dumazet
2012-07-12 14:55 ` Tom Herbert
2012-07-12 13:33 ` John Heffner
2012-07-12 13:46 ` Eric Dumazet
2012-07-12 16:44 ` John Heffner
2012-07-12 16:54 ` Jim Gettys
2012-06-28 23:52 ` [Codel] [PATCH net-next] fq_codel: report congestion notification at enqueue time Nandita Dukkipati
2012-06-29 4:18 ` Eric Dumazet
2012-06-29 4:53 ` Eric Dumazet
2012-06-29 5:12 ` David Miller
2012-06-29 5:24 ` Eric Dumazet
2012-06-29 5:29 ` David Miller
2012-06-29 5:50 ` Eric Dumazet
2012-06-29 7:53 ` David Miller
2012-06-29 8:04 ` David Miller
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