Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932388AbVJLBVG (ORCPT ); Tue, 11 Oct 2005 21:21:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932389AbVJLBVG (ORCPT ); Tue, 11 Oct 2005 21:21:06 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:9130 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S932388AbVJLBVF (ORCPT ); Tue, 11 Oct 2005 21:21:05 -0400 Subject: Re: Latency data - 2.6.14-rc3-rt13 From: Lee Revell To: Mark Knecht Cc: Ingo Molnar , Daniel Walker , linux-kernel@vger.kernel.org In-Reply-To: <5bdc1c8b0510111809v2609879ai8aa0a8e283acb58d@mail.gmail.com> References: <5bdc1c8b0510101316k23ff64e2i231cdea7f11e8553@mail.gmail.com> <1128980674.18782.211.camel@c-67-188-6-232.hsd1.ca.comcast.net> <5bdc1c8b0510101509w4c74028apb6e69746b1b8b65b@mail.gmail.com> <1128983301.18782.215.camel@c-67-188-6-232.hsd1.ca.comcast.net> <5bdc1c8b0510101633lc45fbf8gd2677e5646dc6f93@mail.gmail.com> <5bdc1c8b0510101649s221ab437scc49d6a49269d6b@mail.gmail.com> <5bdc1c8b0510102045u7e4bc9eeld5b690b5e96c4a5f@mail.gmail.com> <20051011111700.GA15892@elte.hu> <5bdc1c8b0510111545n29b77010h8558a1b69c4bf12a@mail.gmail.com> <1129075368.7094.3.camel@mindpipe> <5bdc1c8b0510111809v2609879ai8aa0a8e283acb58d@mail.gmail.com> Content-Type: text/plain Date: Tue, 11 Oct 2005 21:21:01 -0400 Message-Id: <1129080062.7094.7.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 674 Lines: 18 On Tue, 2005-10-11 at 18:09 -0700, Mark Knecht wrote: > Should free memory drop like that over time? Yes this is perfectly normal. When a system first boots all the memory your apps aren't using is initially free. As applications access more data over time then it will be cached in memory until free memory drops to near zero. "Free memory" is actually wasted memory - it's better to use all available RAM for caching. Lee - 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/