Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750793AbWHUIeR (ORCPT ); Mon, 21 Aug 2006 04:34:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751151AbWHUIeR (ORCPT ); Mon, 21 Aug 2006 04:34:17 -0400 Received: from mail.gmx.de ([213.165.64.20]:43716 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S1750793AbWHUIeQ (ORCPT ); Mon, 21 Aug 2006 04:34:16 -0400 X-Authenticated: #14349625 Subject: Re: [PATCH 0/7] CPU controller - V1 From: Mike Galbraith To: vatsa@in.ibm.com Cc: Ingo Molnar , Nick Piggin , Sam Vilain , linux-kernel@vger.kernel.org, Kirill Korotaev , Balbir Singh , sekharan@us.ibm.com, Andrew Morton , nagar@watson.ibm.com, matthltc@us.ibm.com, dipankar@in.ibm.com In-Reply-To: <20060820174015.GA13917@in.ibm.com> References: <20060820174015.GA13917@in.ibm.com> Content-Type: text/plain Date: Mon, 21 Aug 2006 10:42:40 +0000 Message-Id: <1156156960.7772.38.camel@Homer.simpson.net> Mime-Version: 1.0 X-Mailer: Evolution 2.6.0 Content-Transfer-Encoding: 7bit X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 982 Lines: 25 On Sun, 2006-08-20 at 23:10 +0530, Srivatsa Vaddagiri wrote: > Salient design points of this patch: > > - Each task-group gets its own runqueue on every cpu. > > - In addition, there is an active and expired array of > task-groups themselves. Task-groups who have expired their > quota are put into expired array. > > - Task-groups have priorities. Priority of a task-group is the > same as the priority of the highest-priority runnable task it > has. This I feel will retain interactiveness of the system > as it is today. WRT interactivity: Looking at try_to_wake_up(), it appears that wake-up of a high priority group-a task will not result in preemption of a lower priority current group-b task. True? -Mike - 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/