Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759556AbYH0Q0L (ORCPT ); Wed, 27 Aug 2008 12:26:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756609AbYH0QZG (ORCPT ); Wed, 27 Aug 2008 12:25:06 -0400 Received: from one.firstfloor.org ([213.235.205.2]:50266 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756857AbYH0QZE (ORCPT ); Wed, 27 Aug 2008 12:25:04 -0400 Date: Wed, 27 Aug 2008 18:27:35 +0200 From: Andi Kleen To: Rick Jones Cc: Andi Kleen , Evgeniy Polyakov , Eric Dumazet , Denys Fedoryshchenko , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: loaded router, excessive getnstimeofday in oprofile Message-ID: <20080827162735.GW26610@one.firstfloor.org> References: <200808220457.40892.denys@visp.net.lb> <20080826201406.GA24827@2ka.mipt.ru> <48B46B48.7030609@cosmosbay.com> <20080826205158.GA15266@2ka.mipt.ru> <87vdxmr53f.fsf@basil.nowhere.org> <48B57BD3.5050206@hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48B57BD3.5050206@hp.com> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 496 Lines: 12 > Those banks really want to crank down on latency - to the point they > start disabling interrupt coalescing. I bet they'd toss anything out > they could to shave another microsecond. This change would actually likely lower their latency. -Andi -- 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/