Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 7 Jan 2003 13:34:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 7 Jan 2003 13:34:34 -0500 Received: from robur.slu.se ([130.238.98.12]:34828 "EHLO robur.slu.se") by vger.kernel.org with ESMTP id ; Tue, 7 Jan 2003 13:34:33 -0500 From: Robert Olsson MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <15899.8623.323398.889764@robur.slu.se> Date: Tue, 7 Jan 2003 19:51:27 +0100 To: Steffen Persvold Cc: Alan Cox , "David S. Miller" , Jeff Garzik , Linux Kernel Mailing List Subject: Re: NAPI and tg3 In-Reply-To: References: <1041875880.17472.47.camel@irongate.swansea.linux.org.uk> X-Mailer: VM 6.92 under Emacs 19.34.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 802 Lines: 21 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/