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From: Nivedita Singhvi <niv@us.ibm.com>
To: Anton Blanchard <anton@samba.org>
Cc: netdev@oss.sgi.com
Subject: Re: bad TSO performance in 2.6.9-rc2-BK
Date: Mon, 20 Sep 2004 08:54:18 -0700	[thread overview]
Message-ID: <414EFD2A.5000805@us.ibm.com> (raw)
In-Reply-To: <20040920063012.GL2825@krispykreme>

Anton Blanchard wrote:
> Hi,
> 
> I just tried latest 2.6.9-rc2-BK on a machine with an e1000 on it. With
> TSO off it does about 100MB/sec. With TSO on it does between 1MB/sec and
> 10MB/sec.

Hey Anton,  yep, I was just debugging this. TSO mainline reworked
implementation is still not cooked. Don't worry, final state won't
be this bad :).

Could you echo 0 > /proc/sys/net/ipv4/tcp_bic and redo test,
please?

  reply	other threads:[~2004-09-20 15:54 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-20  6:30 bad TSO performance in 2.6.9-rc2-BK Anton Blanchard
2004-09-20 15:54 ` Nivedita Singhvi [this message]
2004-09-21 15:55   ` Anton Blanchard
2004-09-20 20:30 ` Andi Kleen
2004-09-21 22:58   ` David S. Miller
2004-09-22 14:00     ` Andi Kleen
2004-09-22 18:12       ` David S. Miller
2004-09-22 19:55         ` Andi Kleen
2004-09-22 20:07           ` Nivedita Singhvi
2004-09-22 20:30             ` David S. Miller
2004-09-22 20:56               ` Nivedita Singhvi
2004-09-22 21:56               ` Andi Kleen
2004-09-22 22:04                 ` David S. Miller
2004-09-22 20:12           ` Andrew Grover
2004-09-22 20:39             ` David S. Miller
2004-09-22 22:06               ` Andi Kleen
2004-09-22 22:25                 ` David S. Miller
2004-09-22 22:47                   ` Andi Kleen
2004-09-22 22:50                     ` David S. Miller
2004-09-23 23:11                     ` David S. Miller
2004-09-23 23:41                       ` Herbert Xu
2004-09-23 23:41                         ` David S. Miller
2004-09-24  0:12                           ` Herbert Xu
2004-09-24  0:40                             ` Herbert Xu
2004-09-24  1:07                               ` Herbert Xu
2004-09-24  1:17                                 ` David S. Miller
2004-09-27  1:27                           ` Herbert Xu
2004-09-27  2:50                             ` Herbert Xu
2004-09-27  4:00                               ` David S. Miller
2004-09-27  5:45                                 ` Herbert Xu
2004-09-27 19:01                                   ` David S. Miller
2004-09-27 21:32                                     ` Herbert Xu
2004-09-28 21:10                                       ` David S. Miller
2004-09-28 21:34                                         ` Andi Kleen
2004-09-28 21:53                                           ` David S. Miller
2004-09-28 22:33                                             ` Andi Kleen
2004-09-28 22:57                                               ` David S. Miller
2004-09-28 23:27                                                 ` Andi Kleen
2004-09-28 23:35                                                   ` David S. Miller
2004-09-28 23:55                                                     ` Andi Kleen
2004-09-29  0:04                                                       ` David S. Miller
2004-09-29 20:58                                                   ` John Heffner
2004-09-29 21:10                                                     ` Nivedita Singhvi
2004-09-29 21:50                                                       ` David S. Miller
2004-09-29 21:56                                                         ` Andi Kleen
2004-09-29 23:29                                                           ` David S. Miller
2004-09-29 23:51                                                             ` John Heffner
2004-09-30  0:03                                                               ` David S. Miller
2004-09-30  0:10                                                                 ` Herbert Xu
2004-10-01  0:34                                                                   ` David S. Miller
2004-10-01  1:12                                                                     ` David S. Miller
2004-10-01  3:40                                                                       ` David S. Miller
2004-10-01 10:35                                                                         ` Andi Kleen
2004-10-01 10:23                                                                       ` Andi Kleen
2004-09-30  0:10                                                               ` John Heffner
2004-09-30 17:25                                                                 ` John Heffner
2004-09-30 20:23                                                                   ` David S. Miller
2004-09-30  0:05                                                             ` Herbert Xu
2004-09-30  4:33                                                               ` David S. Miller
2004-09-30  5:47                                                                 ` Herbert Xu
2004-09-30  7:39                                                                   ` David S. Miller
2004-09-30  8:09                                                                     ` Herbert Xu
2004-09-30  9:29                                                                 ` Andi Kleen
2004-09-30 20:20                                                                   ` David S. Miller
2004-09-29  3:27                                               ` John Heffner
2004-09-29  9:01                                                 ` Andi Kleen
2004-09-29 19:56                                                   ` David S. Miller
2004-09-29 20:56                                                     ` Andi Kleen
2004-09-29 21:17                                                       ` David S. Miller
2004-09-29 21:00                                                 ` David S. Miller
2004-09-29 21:16                                                   ` Nivedita Singhvi
2004-09-29 21:22                                                     ` David S. Miller
2004-09-29 21:43                                                       ` Andi Kleen
2004-09-29 21:51                                                         ` John Heffner
2004-09-29 21:52                                                           ` David S. Miller
2004-09-24  8:30                       ` Andi Kleen
2004-09-27 22:38                       ` John Heffner
2004-09-27 23:04                         ` David S. Miller
2004-09-27 23:25                           ` Andi Kleen
2004-09-27 23:37                             ` David S. Miller
2004-09-27 23:51                               ` Andi Kleen
2004-09-28  0:15                                 ` David S. Miller
2004-09-27 23:36                           ` Herbert Xu
2004-09-28  0:13                             ` David S. Miller
2004-09-28  0:34                               ` Herbert Xu
2004-09-28  4:59                                 ` David S. Miller
2004-09-28  5:15                                   ` Herbert Xu
2004-09-28  5:58                                     ` David S. Miller
2004-09-28  6:45                                   ` Nivedita Singhvi
2004-09-28  7:20                               ` Nivedita Singhvi
2004-09-28 20:38                                 ` David S. Miller
2004-09-28  7:23                         ` Nivedita Singhvi
2004-09-28  8:23                           ` Herbert Xu
2004-09-28 12:53                           ` John Heffner
2004-09-22 20:28           ` David S. Miller
     [not found] <Pine.NEB.4.33.0409301625560.13549-100000@dexter.psc.edu>
2004-10-02  1:32 ` John Heffner
2004-10-04 20:07   ` David S. Miller

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