From: Robert Olsson <Robert.Olsson@data.slu.se>
To: Steffen Persvold <sp@scali.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
"David S. Miller" <davem@redhat.com>,
Jeff Garzik <jgarzik@pobox.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: NAPI and tg3
Date: Tue, 7 Jan 2003 19:51:27 +0100 [thread overview]
Message-ID: <15899.8623.323398.889764@robur.slu.se> (raw)
In-Reply-To: <Pine.LNX.4.44.0301070015320.16633-100000@sp-laptop.isdn.scali.no>
Steffen Persvold writes:
>
> I've also tried the NAPI patch for e1000 and it experience the same
> performance problem with multithreaded apps. The "NAPI-HOWTO" doesn't
> mention that this could be an issue at all. Does any of the NAPI authors
> (Jeff ?) have any comments ?
Well wasn't ksoftirqd the general solution to schedule softirq's to run
before next interrupt and by putting them under scheduler control the
consecutive softirq's is prevented to monopolize the CPU.
Well you're right the doc may mention this...
Cheers.
--ro
next prev parent reply other threads:[~2003-01-07 18:34 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-04 15:23 NAPI and tg3 Steffen Persvold
2003-01-06 15:00 ` Steffen Persvold
2003-01-06 16:36 ` Alan Cox
2003-01-06 16:12 ` Steffen Persvold
2003-01-06 17:58 ` Alan Cox
2003-01-07 15:24 ` Steffen Persvold
2003-01-07 18:51 ` Robert Olsson [this message]
2003-01-07 20:54 ` Steffen Persvold
-- strict thread matches above, loose matches on Subject: below --
2003-01-07 22:21 Robert Olsson
2003-01-08 0:07 ` Steffen Persvold
2003-01-09 17:21 ` Robert Olsson
2003-01-10 9:00 ` David S. Miller
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