From: Nivedita Singhvi <niv@us.ibm.com>
To: Andi Kleen <ak@suse.de>
Cc: "David S. Miller" <davem@davemloft.net>,
anton@samba.org, netdev@oss.sgi.com
Subject: Re: bad TSO performance in 2.6.9-rc2-BK
Date: Wed, 22 Sep 2004 13:07:08 -0700 [thread overview]
Message-ID: <4151DB6C.8050906@us.ibm.com> (raw)
In-Reply-To: <20040922195515.GA2619@wotan.suse.de>
Andi Kleen wrote:
> With tso off i get the same performance as on 2.6.5.
>
> I must add that this is a CSA e1000 (directly integrated into
> the chipset and doesn't use PCI) and TSO doesn't seem to be
> bring any advantage. On 2.6.5 the performance is the same
> with both TSO on or off.
Andi, was that with a netperf TCP stream test? I
would not have thought there would be no difference
prior to the changes DaveM made recently (now we
obey congestion window). We certainly got quite a bit
of a difference running SPECWeb etc, but that was on
the e1000s.
Nivedita
next prev parent reply other threads:[~2004-09-22 20:07 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
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 [this message]
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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