From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 26 Aug 2001 19:24:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 26 Aug 2001 19:24:18 -0400 Received: from smtp.mailbox.net.uk ([195.82.125.32]:27369 "EHLO smtp.mailbox.net.uk") by vger.kernel.org with ESMTP id ; Sun, 26 Aug 2001 19:24:12 -0400 Date: Mon, 27 Aug 2001 00:24:27 +0100 From: Russell King To: Daniel Phillips Cc: Rik van Riel , pcg@goof.com, Roger Larsson , linux-kernel@vger.kernel.org Subject: Re: [resent PATCH] Re: very slow parallel read performance Message-ID: <20010827002427.B6193@flint.arm.linux.org.uk> In-Reply-To: <20010826200133Z16190-32385+242@humbolt.nl.linux.org> <20010826233343.A6193@flint.arm.linux.org.uk> <20010826231743Z16325-32383+1526@humbolt.nl.linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010826231743Z16325-32383+1526@humbolt.nl.linux.org>; from phillips@bonn-fries.net on Mon, Aug 27, 2001 at 01:24:23AM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 27, 2001 at 01:24:23AM +0200, Daniel Phillips wrote: > This is a nice dump format. One thing that would be very helpful is the page > executable flag, another would be the writable flag. The 4687 anonymous > pages are the elephant under the rug, but we don't know how they break down > between executable (evictable) and otherwise. You can't get at that information without doing a complete scan for each page table in all tasks, unless you want to dump out the page tables. This could done separately of course. -- Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux http://www.arm.linux.org.uk/personal/aboutme.html