From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264457AbTLGRYs (ORCPT ); Sun, 7 Dec 2003 12:24:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264459AbTLGRYs (ORCPT ); Sun, 7 Dec 2003 12:24:48 -0500 Received: from dp.samba.org ([66.70.73.150]:64233 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id S264457AbTLGRYr (ORCPT ); Sun, 7 Dec 2003 12:24:47 -0500 Date: Mon, 8 Dec 2003 04:22:28 +1100 From: Anton Blanchard To: Ingo Molnar Cc: Zwane Mwaikambo , "Martin J. Bligh" , linux-kernel Subject: Re: [patch] sched-HT-2.6.0-test11-A5 Message-ID: <20031207172227.GC19412@krispykreme> References: <1027750000.1069604762@[10.10.2.4]> <392900000.1070737269@[10.10.2.4]> <20031207163914.GB19412@krispykreme> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031207163914.GB19412@krispykreme> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > - I tried the HT scheduler with NUMA enabled. Same machine, 4 core 8 > threads, each NUMA node has 2 cores, 4 threads. Its easy to end up in a sub > optimal state: I just managed to get it into the same state with NUMA disabled: Cpu0 : 0.3% user, 0.0% system, 0.0% nice, 99.7% idle, 0.0% IO-wait Cpu1 : 100.0% user, 0.0% system, 0.0% nice, 0.0% idle, 0.0% IO-wait Cpu2 : 0.0% user, 0.0% system, 0.0% nice, 100.0% idle, 0.0% IO-wait Cpu3 : 100.0% user, 0.0% system, 0.0% nice, 0.0% idle, 0.0% IO-wait Cpu4 : 100.0% user, 0.0% system, 0.0% nice, 0.0% idle, 0.0% IO-wait Cpu5 : 100.0% user, 0.0% system, 0.0% nice, 0.0% idle, 0.0% IO-wait Cpu6 : 0.0% user, 0.0% system, 0.0% nice, 100.0% idle, 0.0% IO-wait Cpu7 : 0.0% user, 0.0% system, 0.0% nice, 100.0% idle, 0.0% IO-wait Anton