From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7647BC001DB for ; Fri, 25 Aug 2023 15:58:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241155AbjHYP55 (ORCPT ); Fri, 25 Aug 2023 11:57:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43258 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240880AbjHYP5m (ORCPT ); Fri, 25 Aug 2023 11:57:42 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 190BC2107; Fri, 25 Aug 2023 08:57:40 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7D759623D6; Fri, 25 Aug 2023 15:57:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68138C433C7; Fri, 25 Aug 2023 15:57:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1692979058; bh=YIBUTi9Nfx2a2nBnXKRy+WN0ODLTmjLzZ6xsub9JD4g=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=a3MQNABnxGd3SVcN0pBGkJAt8AeRh1/XNuIaLuDPNxaIuY6pgIs1mZ/+bUV7u4zwy VyeXm4v6U37llEuR4Nr7gRmTonziTArj+KjqsSmeOChFIkCkH7+1xSbqTDPLezSY3x n8U/FjYazGM5Qr5Y0kwky4UPexaf9UiN+PDEj9pkpJ7YWD0UmXtdO137cBFo+UuPXH pI8BELZfoNubkbLZQ2bzkb0kZFCU+dajpeZ/Bu1p44UFgywy/fyKL6UKcB1Vk1MyV6 rcuMm/3VEm/K4nGBqbQ335II2t/j9+LnhoVixk+l6jJiDdHZ/dPayab22XkAq3V2Z0 YZMANtmIAhLwA== Message-ID: Date: Fri, 25 Aug 2023 17:57:22 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [ANNOUNCEMENT] CFP: Real-time and Scheduling MC at LPC To: Ingo Molnar , Peter Zijlstra , Thomas Gleixner , Juri Lelli , Vincent Guittot , Steven Rostedt Cc: Abel Wu , Alexey Dobriyan , Barry Song , Chengming Zhou , Christoph Hellwig , "David S. Miller" , Dietmar Eggemann , "Eric W. Biederman" , Frederic Weisbecker , Hao Jia , Huaixin Chang , Huang Ying , "Joel Fernandes (Google)" , Johannes Weiner , Josh Don , Konstantin Khlebnikov , Lukasz Luba , Mark Rutland , Mathieu Desnoyers , Nicholas Piggin , Odin Ugedal , Patrick Bellasi , Peng Wang , Phil Auld , Qais Yousef , Qian Cai , Quentin Perret , "Rafael J. Wysocki" , Ricardo Neri , Sebastian Andrzej Siewior , Suren Baghdasaryan , Valentin Schneider , Vincent Donnefort , Viresh Kumar , Waiman Long , Will Deacon , Yafang Shao , YueHaibing , Zhen Ni , Davidlohr Bueso , Arnaldo Carvalho de Melo , Marcelo Tosatti , Clark Williams , Mel Gorman , Ben Segall , John Stultz , David Vernet , Vlastimil Babka , Chris Mason , Tejun Heo , Luca Abeni , John Kacur , John Ogness , "paulmck@kernel.org" , Jonathan Corbet , Vineeth Remanan Pillai , Kate Carcia , Kate Stewart , Min Yu , Shuah Khan , =?UTF-8?Q?Luis_Claudio_R=2e_Gon=c3=a7alves?= , Daniel Wagner , Tom Zanussi , Mark Brown , joseph.salisbury@canonical.com, Morten Rasmussen , Kees Cook , Julia Lawall , Guenter Roeck , Boqun Feng , linux-rt-users , LKML References: Content-Language: en-US, pt-BR, it-IT From: Daniel Bristot de Oliveira In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org Hello This is a gentle reminder about RT and SCHED MC. We will have to send the schedule on the next weeks. Please, submit your topic ASAP. Thanks! On 6/20/23 19:13, Daniel Bristot de Oliveira wrote: > The real-time and scheduling micro-conference joins these two > intrinsically connected communities to discuss the next steps together. > > Over the past decade, many parts of PREEMPT_RT have been included > in the official Linux codebase. Examples include real-time mutexes, > high-resolution timers, lockdep, ftrace, RCU_PREEMPT, threaded interrupt > handlers, and more. The number of patches that need integration has been > significantly reduced, and the rest is mature enough to make their way > into mainline Linux. > > The scheduler is at the core of Linux performance. With different > topologies and workloads, giving the user the best experience possible is > challenging, from low latency to high throughput and from small > power-constrained devices to HPC, where CPU isolation is critical. > > The following accomplishments have been made as a result of last > year’s micro-conference: > > - Progress on rtla/osnoise to support any workload [1] > - Progress on adding tracepoints for IPI [2] > - Improvements in RCU to reduce noise > - Progress on the latency-nice patch set [3] > > Ideas of topics to be discussed include (but are not limited to): > > - Improve responsiveness for CFS tasks - e.g., latency-nice patch > - The new EEVDF scheduler proposal [4] > - Impact of new topology on CFS including hybrid or heterogeneous system > - Taking into account task profile with IPCC or uclamp > - Improvements in CPU Isolation > - The status of PREEMPT_RT > - Locking improvements - e.g., proxy execution [5] > - Improvements on SCHED_DEADLINE > - Tooling for debugging scheduling and real-time > > It is fine if you have a new topic that is not on the list. > People are encouraged to submit any topic related to real-time > and scheduling. > > Please consider that the goal is to discuss open problems, preferably > with patch set submissions already in discussion on LKML. The > presentations are very short, and the main portion of the time should > be given to the debate - thus, the importance of having an > open and relevant problem, with people in the community engaged > in the solution. > > Submissions are made via LPC submission systems, selecting *Track Real-time > and Scheduling MC* > > Please, forward this email for people interested on this subject (it not easy to > build the Cc: list for this email without forgetting important people :-))! > > [1] https://lore.kernel.org/lkml/f5cfbd37aefd419eefe9243b4d2fc38ed5753fe4.1668692096.git.bristot@kernel.org/ > [2] https://lore.kernel.org/lkml/20230307143558.294354-1-vschneid@redhat.com/T/ > [3] https://lore.kernel.org/lkml/20230224093454.956298-3-vincent.guittot@linaro.org/ > [4] https://lore.kernel.org/lkml/20230328092622.062917921@infradead.org/T/ > [5] https://lore.kernel.org/lkml/20230411042511.1606592-1-jstultz@google.com/ > > Thanks! > > -- Organizers: > - Daniel Bristot de Oliveira > - Juri Lelli > - Vincent Guittot > - Steven Rostedt