From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762454AbYBFLaX (ORCPT ); Wed, 6 Feb 2008 06:30:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754122AbYBFLaL (ORCPT ); Wed, 6 Feb 2008 06:30:11 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:58084 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751794AbYBFLaJ (ORCPT ); Wed, 6 Feb 2008 06:30:09 -0500 Subject: Re: RT scheduler config, suggestions and questions From: Peter Zijlstra To: Max Krasnyanskiy Cc: Steven Rostedt , Ingo Molnar , LKML In-Reply-To: <1202279815.19243.34.camel@lappy> References: <47A8F328.5070107@qualcomm.com> <1202279815.19243.34.camel@lappy> Content-Type: text/plain Date: Wed, 06 Feb 2008 12:29:40 +0100 Message-Id: <1202297381.19243.48.camel@lappy> Mime-Version: 1.0 X-Mailer: Evolution 2.21.90 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2008-02-06 at 07:36 +0100, Peter Zijlstra wrote: > > btw I can see "watchdog" being very useful to catch hard-RT tasks that exceed the deadline. > > But's it gotta be per thread. > > It is. > > > Single setting per user is not enough. Unless a use has a single RT task. > > ? Ah, its starting to make sense, you want it configurable per thread, not process wide. Yes, I see how that is useful, just no idea how to expose that to user-space atm.