Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp2661391ybt; Tue, 16 Jun 2020 11:36:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJy5jHvdtN67wwzxdgvaF7rDDeCnzwyv3u+rNhJOfPVtaAb478dngCNRCbcM9X7IKlmJp00a X-Received: by 2002:a05:6402:7d4:: with SMTP id u20mr3779947edy.30.1592332588647; Tue, 16 Jun 2020 11:36:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592332588; cv=none; d=google.com; s=arc-20160816; b=mORqVu8vRh4hCRY5sW1IMj7gH1GQB3KyOOaGIHfkhjqBXdea9XlfGpxD4khchdFtqj istqrEvCRyJmzT8NYOGD4cs2ZolkPElaNHQwPbQJgG5ERZ3BQ6nS1QIyX2/UQbsHgu8/ bRvCo/jh8iVF6ApRqLuXSA39IoBdZpyBx/6jjDcHsJ10a66mmdMQ6sA+W5+oIqtKbYRz VX0pk15xNMqV1u1Sp1oqo9c8hNGGqFZcbZfd1Yyb0dVr6eZztceVlPZ4wucbhAmtFFs0 PmqPGQ0tvWEt6J5HLqr8vsrGcY2IhDgLxXe4GDalDU3Lvgkzq/dkEObxzLa0EKCWLlaM ttrg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=QWQExfy6qxp4A5qC52YXujYyFfCpL6sdEGhUTl9JTks=; b=Pb2kqTa5mZTpRkosYAjXR/7Ekk+qdA0qfOlRiBQYnYQ+OC/ugC5vinOgyuPbkAepdP nc5axWAdVlPJ8BimGwV4y0RrL/0sMYm/i/EkZuB+0pYjaIjLItMdLL4AP+DRtWLeW6bi O5FoudEuehAXY6cdj4OJkUBN7plrJWYQkRSg5Rf/tfm6o3ufAY8ez1efUhKm48E6DZOD fbWvGiI7so4YJT3yHqb8yYG+gCZguIiRQUj1UYx/HrPL4wunZlZbzqI7Xfa1UAKWJMbU fZFeyPOK49TS4fkQunorw/b/wr2TRzdklcr66WoiVHiXUc4bbr1Opb2bsevQ6cEvH4A7 mCgg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id ov27si11101567ejb.379.2020.06.16.11.36.06; Tue, 16 Jun 2020 11:36:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729805AbgFPSdd (ORCPT + 99 others); Tue, 16 Jun 2020 14:33:33 -0400 Received: from mail.kernel.org ([198.145.29.99]:60458 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727114AbgFPSdc (ORCPT ); Tue, 16 Jun 2020 14:33:32 -0400 Received: from oasis.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 CB6432098B; Tue, 16 Jun 2020 18:33:30 +0000 (UTC) Date: Tue, 16 Jun 2020 14:33:29 -0400 From: Steven Rostedt To: Peter Zijlstra Cc: Lichao Liu , mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH] sched/rt: Don't active rt throtting when no running cfs task Message-ID: <20200616143329.064f99e2@oasis.local.home> In-Reply-To: <20200616170711.GZ2531@hirez.programming.kicks-ass.net> References: <20200616123729.153430-1-liulichao@loongson.cn> <20200616095027.1a2048d0@oasis.local.home> <20200616140158.GY2531@hirez.programming.kicks-ass.net> <20200616105900.5cb0671d@oasis.local.home> <20200616170711.GZ2531@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=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 16 Jun 2020 19:07:11 +0200 Peter Zijlstra wrote: > > But we've been saying that for years now. > > Hey, I even coded most of it, but clearly nobody cares about this enough > to finish it ... Or nobody who knows enough (and has enough time) to do so cares ;-) -- Steve