Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271144AbTHRAjO (ORCPT ); Sun, 17 Aug 2003 20:39:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271148AbTHRAjO (ORCPT ); Sun, 17 Aug 2003 20:39:14 -0400 Received: from holomorphy.com ([66.224.33.161]:24036 "EHLO holomorphy") by vger.kernel.org with ESMTP id S271144AbTHRAjN (ORCPT ); Sun, 17 Aug 2003 20:39:13 -0400 Date: Sun, 17 Aug 2003 17:40:26 -0700 From: William Lee Irwin III To: Duraid Madina , linux-ia64@linuxia64.org, linux-kernel@vger.kernel.org Subject: Re: kswapd is having a party Message-ID: <20030818004026.GT32488@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Duraid Madina , linux-ia64@linuxia64.org, linux-kernel@vger.kernel.org References: <3F400B57.2090806@octopus.com.au> <20030818003300.GS32488@holomorphy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030818003300.GS32488@holomorphy.com> Organization: The Domain of Holomorphy User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 896 Lines: 20 On Mon, Aug 18, 2003 at 09:10:15AM +1000, Duraid Madina wrote: >> Does anyone have _any_ idea what kswapd might actually be doing? I >> checked: not a single page was swapped in our out througout the duration >> of this test. Is there a chance that spinning on some lock (I have no >> idea how LAM does its synchronization), or perhaps even just idling, >> might be counted as kswapd0? On Sun, Aug 17, 2003 at 05:33:00PM -0700, William Lee Irwin III wrote: > I'd look for dirty memory; kswapd does do some page cleaning, though > pdflush is supposed to do most of it. Also, please log vmstat and take regular snapshots of /proc/vmstat. -- wli - 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/