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From: Lee Revell <rlrevell@joe-job.com>
To: kus Kusche Klaus <kus@keba.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: My vote against eepro* removal
Date: Thu, 19 Jan 2006 02:24:48 -0500	[thread overview]
Message-ID: <1137655489.4736.33.camel@mindpipe> (raw)
In-Reply-To: <AAD6DA242BC63C488511C611BD51F367323320@MAILIT.keba.co.at>

On Thu, 2006-01-19 at 08:19 +0100, kus Kusche Klaus wrote:
> Last time I tested (around 2.6.12), eepro100 worked much better 
> in -rt kernels w.r.t. latencies than e100:
> 
> e100 caused a periodic latency of about 500 microseconds
> exactly every 2 seconds, no matter what the load on the interface
> was (i.e. even on an idle interface).
> 
> eepro100 did not show any latencies that long, it worked much
> smoother w.r.t. latencies.
> 
> Of course I would prefer to have e100 fixed over keeping eepro100
> around forever, but the last time I checked, it still wasn't fixed.

Please provide latency traces to illustrate the problematic code path.

It sounds like you have known about this issue for a while, were you
waiting for it to fix itself?

Lee


  reply	other threads:[~2006-01-19  7:24 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-19  7:19 My vote against eepro* removal kus Kusche Klaus
2006-01-19  7:24 ` Lee Revell [this message]
2006-01-19  7:42 ` Arjan van de Ven
  -- strict thread matches above, loose matches on Subject: below --
2006-01-19 10:08 kus Kusche Klaus
2006-01-19 10:26 kus Kusche Klaus
2006-01-19 16:20 ` Adrian Bunk
2006-01-19 17:16   ` John Ronciak
2006-01-19 19:09 ` Steven Rostedt
2006-01-19 22:57   ` Steven Rostedt
2006-01-20  9:37 kus Kusche Klaus
2006-01-20  9:55 ` Evgeniy Polyakov
2006-01-21  0:40   ` Lee Revell
2006-01-21  1:19     ` John Ronciak
2006-01-21  1:30       ` Lee Revell
2006-01-21  2:01         ` John Ronciak
2006-01-21  3:56           ` Lee Revell
2006-01-20 10:19 kus Kusche Klaus
2006-01-20 11:02 ` Evgeniy Polyakov
2006-01-21  0:45 ` Lee Revell
2006-01-20 10:51 kus Kusche Klaus
2006-01-20 11:05 ` Evgeniy Polyakov
2006-01-20 11:27 kus Kusche Klaus
2006-01-23 11:01 kus Kusche Klaus
2006-01-23 20:23 ` Jesse Brandeburg
2006-01-24  7:38 kus Kusche Klaus

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