Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 23 Sep 2002 09:54:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 23 Sep 2002 09:54:20 -0400 Received: from holomorphy.com ([66.224.33.161]:50837 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Mon, 23 Sep 2002 09:54:19 -0400 Date: Mon, 23 Sep 2002 06:50:40 -0700 From: William Lee Irwin III To: Dipankar Sarma Cc: linux-kernel@vger.kernel.org Subject: Re: 2.5.38 vs. 2.5.38-mm1 dbench 512 oprofiles Message-ID: <20020923135040.GZ3530@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Dipankar Sarma , linux-kernel@vger.kernel.org References: <20020923053600.GJ25605@holomorphy.com> <20020923054604.GY3530@holomorphy.com> <20020923144055.A29900@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Description: brief message Content-Disposition: inline In-Reply-To: <20020923144055.A29900@in.ibm.com> User-Agent: Mutt/1.3.25i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 732 Lines: 20 On Mon, Sep 23, 2002 at 06:02:15AM +0000, William Lee Irwin III wrote: >> sorry real 2.5.38-mm1 profile: >> c01053dc 884615995 93.5551 poll_idle >> c0114c28 38573436 4.07944 load_balance On Mon, Sep 23, 2002 at 02:40:55PM +0530, Dipankar Sarma wrote: > Any idea why scheduler time shoot up with mm1 ? The RCU core > patch (rcu_ltimer) in mm1 doesn't force any context switches, so it > can't be that. Basically, the time once spent in busywait becomes idle time. Cheers, Bill - 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/