From: arjan@fenrus.demon.nl
To: alan@lxorguk.ukuu.org.uk (Alan Cox)
Cc: linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: high system usage / poor SMP network performance
Date: Sun, 27 Jan 2002 22:52:17 +0000 (GMT) [thread overview]
Message-ID: <m16Uy9p-000OVeC@amadeus.home.nl> (raw)
In-Reply-To: <E16UyCO-0002zE-00@the-village.bc.nu>
In article <E16UyCO-0002zE-00@the-village.bc.nu> you wrote:
>> CPU0 states: 27.2% user, 62.4% system, 0.0% nice, 9.2% idle
>> CPU1 states: 28.4% user, 62.3% system, 0.0% nice, 8.1% idle
> The important bit here is ^^^^^^^^ that one. Something is causing
> horrendous lock contention it appears. Is the e100 driver optimised for SMP
> yet ?
there's WAY too many busy waits (upto 500 msec with irq's disabled) in e100
to call it smp optimized.... also in most tests I've seen eepro100 won
outright
next prev parent reply other threads:[~2002-01-27 22:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-27 22:23 Vincent Sweeney
2002-01-27 22:42 ` Andrew Morton
2002-01-27 22:54 ` Alan Cox
2002-01-27 22:52 ` arjan [this message]
2002-01-27 23:08 ` Vincent Sweeney
2002-01-28 19:34 ` Vincent Sweeney
2002-01-28 19:40 ` Rik van Riel
2002-01-29 16:32 ` Vincent Sweeney
2002-01-29 18:00 Dan Kegel
2002-01-29 20:09 ` Vincent Sweeney
2002-01-31 5:24 ` Dan Kegel
[not found] ` <001d01c1aa8e$2e067e60$0201010a@frodo>
2002-02-03 8:03 ` Dan Kegel
2002-02-03 8:36 ` Andrew Morton
2002-02-12 18:48 ` Vincent Sweeney
2002-02-03 19:22 ` Kev
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