Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 23 Mar 2003 16:33:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 23 Mar 2003 16:33:29 -0500 Received: from vitelus.com ([64.81.243.207]:46606 "EHLO vitelus.com") by vger.kernel.org with ESMTP id ; Sun, 23 Mar 2003 16:33:29 -0500 Date: Sun, 23 Mar 2003 13:43:57 -0800 From: Aaron Lehmann To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: Re: smp overhead, and rwlocks considered harmful Message-ID: <20030323214357.GA22181@vitelus.com> References: <20030322175816.225a1f23.akpm@digeo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030322175816.225a1f23.akpm@digeo.com> User-Agent: Mutt/1.5.3i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 520 Lines: 12 On Sat, Mar 22, 2003 at 05:58:16PM -0800, Andrew Morton wrote: > > I've been looking at the CPU cost of the write() system call. Time how long > it takes to write a million bytes to an ext2 file, via a million > one-byte-writes: Are you using a sysenter-capable C library? - 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/