From: "David S. Miller" <davem@davemloft.net>
To: rdreier@cisco.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
openib-general@openib.org, shemminger@osdl.org
Subject: Re: Re: TSO and IPoIB performance degradation
Date: Tue, 07 Mar 2006 17:23:36 -0800 (PST) [thread overview]
Message-ID: <20060307.172336.107863253.davem@davemloft.net> (raw)
In-Reply-To: <adaacc1raz9.fsf@cisco.com>
From: Roland Dreier <rdreier@cisco.com>
Date: Tue, 07 Mar 2006 17:17:30 -0800
> The reason TSO comes up is that reverting the patch described below
> helps (or helped at some point at least) IPoIB throughput quite a bit.
I wish you had started the thread by mentioning this specific
patch, we wasted an enormous amount of precious developer time
speculating and asking for arbitrary tests to be run in order
to narrow down the problem, yet you knew the specific change
that introduced the performance regression already...
This is a good example of how not to report a bug.
next prev parent reply other threads:[~2006-03-08 1:23 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-06 22:34 TSO and IPoIB performance degradation Michael S. Tsirkin
2006-03-06 22:40 ` David S. Miller
2006-03-06 22:50 ` Stephen Hemminger
2006-03-07 3:13 ` Shirley Ma
2006-03-07 21:44 ` Matt Leininger
2006-03-07 21:49 ` Stephen Hemminger
2006-03-07 21:53 ` Michael S. Tsirkin
2006-03-08 0:11 ` Matt Leininger
2006-03-08 0:18 ` David S. Miller
2006-03-08 1:17 ` Roland Dreier
2006-03-08 1:23 ` David S. Miller [this message]
2006-03-08 1:34 ` Roland Dreier
2006-03-08 12:53 ` Michael S. Tsirkin
2006-03-08 20:53 ` David S. Miller
2006-03-09 23:48 ` David S. Miller
2006-03-10 0:10 ` Michael S. Tsirkin
2006-03-10 0:38 ` Michael S. Tsirkin
2006-03-10 7:18 ` David S. Miller
2006-03-10 0:21 ` Rick Jones
2006-03-10 7:23 ` David S. Miller
2006-03-10 17:44 ` Rick Jones
2006-03-20 9:06 ` Michael S. Tsirkin
2006-03-20 9:55 ` David S. Miller
2006-03-20 10:22 ` Michael S. Tsirkin
2006-03-20 10:37 ` David S. Miller
2006-03-20 11:27 ` Michael S. Tsirkin
2006-03-20 11:47 ` Arjan van de Ven
2006-03-20 11:49 ` Lennert Buytenhek
2006-03-20 11:53 ` Arjan van de Ven
2006-03-20 13:35 ` Michael S. Tsirkin
2006-03-20 12:04 ` Michael S. Tsirkin
2006-03-20 15:09 ` Benjamin LaHaise
2006-03-20 18:58 ` Rick Jones
2006-03-20 23:00 ` David S. Miller
2006-04-27 4:13 ` Troy Benjegerdes
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