Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161777AbXEATBV (ORCPT ); Tue, 1 May 2007 15:01:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161779AbXEATBV (ORCPT ); Tue, 1 May 2007 15:01:21 -0400 Received: from smtp1.linux-foundation.org ([65.172.181.25]:51450 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161777AbXEATBT (ORCPT ); Tue, 1 May 2007 15:01:19 -0400 Date: Tue, 1 May 2007 12:00:28 -0700 From: Andrew Morton To: Andy Whitcroft Cc: Mel Gorman , linux-kernel@vger.kernel.org, linux-mm@kvack.org, clameter@sgi.com, y-goto@jp.fujitsu.com, Peter Zijlstra Subject: Re: 2.6.22 -mm merge plans -- lumpy reclaim Message-Id: <20070501120028.a4b62d6e.akpm@linux-foundation.org> In-Reply-To: <46373A71.4030200@shadowen.org> References: <20070430162007.ad46e153.akpm@linux-foundation.org> <20070501101651.GA29957@skynet.ie> <46373A71.4030200@shadowen.org> X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 770 Lines: 16 On Tue, 01 May 2007 14:02:41 +0100 Andy Whitcroft wrote: > I have some primitive stats patches which we have used performance > testing. Perhaps those could be brought up to date to provide better > visibility into lumpy's operation. Again this would be a separate patch. Feel free to add new counters in /proc/vmstat - perhaps per-order success and fail rates? Monitoring the ratio between those would show how effective lumpiness is being, perhaps. It's always nice to see what's going on in there. - 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/