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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4C76EC3B187 for ; Tue, 11 Feb 2020 14:00:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E55B24672 for ; Tue, 11 Feb 2020 14:00:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729580AbgBKOAc convert rfc822-to-8bit (ORCPT ); Tue, 11 Feb 2020 09:00:32 -0500 Received: from mail.kernel.org ([198.145.29.99]:54020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729437AbgBKOAb (ORCPT ); Tue, 11 Feb 2020 09:00:31 -0500 Received: from gandalf.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8ED9B2086A; Tue, 11 Feb 2020 14:00:30 +0000 (UTC) Date: Tue, 11 Feb 2020 09:00:28 -0500 From: Steven Rostedt To: Peter Zijlstra Cc: =?UTF-8?B?546L6LSH?= , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , "open list:SCHEDULER" Subject: Re: [RFC] why can't dynamic isolation just like the static way Message-ID: <20200211090028.4e12d02e@gandalf.local.home> In-Reply-To: <20200211114350.GJ14914@hirez.programming.kicks-ass.net> References: <20200211114350.GJ14914@hirez.programming.kicks-ass.net> X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 11 Feb 2020 12:43:50 +0100 Peter Zijlstra wrote: > On Tue, Feb 11, 2020 at 04:17:34PM +0800, 王贇 wrote: > > Hi, folks > > > > We are dealing with isolcpus these days and try to do the isolation > > dynamically. > > > > The kernel doc lead us into the cpuset.sched_load_balance, it's fine > > to achieve the dynamic isolation with it, however we got problem with > > the systemd stuff. > > Then don't use systemd :-) Also, if systemd is the problem, why are you > bugging us? [ Background. Peter is someone that doesn't even use systemd. ;-) ] -- Steve