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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e4-20020a170902744400b0016d5d09a43dsi1521303plt.331.2022.09.02.02.30.12; Fri, 02 Sep 2022 02:30:24 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=desiato.20200630 header.b=LYttA+hM; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235818AbiIBIrM (ORCPT + 99 others); Fri, 2 Sep 2022 04:47:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35028 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235982AbiIBIqe (ORCPT ); Fri, 2 Sep 2022 04:46:34 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 95995EB3 for ; Fri, 2 Sep 2022 01:46:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=QMuzxgLSDAbY7uCZIWNERWN6PvdXJ1azGf+yFLHGh6I=; b=LYttA+hMsMgenMBW+9+RTpPkJa CEZfoBRZl8lfJjgPjCLAvU50HS+4zlxL9Q+x7JHo1EqrUCpgsYtmsxQoEdERYyZ2pfYNwZcUMiR7Y 3GOzumQj25RbE00b98zZmDrur0pa5EXWqiEQAVBLf3wGcBVdGRE/2XVQ+UvTbfDES1UMch4fGIcS2 19Rzku/Ywxd0BYG7WJDI+VHFi8OLPcRpgEWvVCjg9HIWfxf8qQ/nKQ6oADhPdNJDE26QN0/d5mXb7 vudxGMCVTK6vD6R9tRc1Q2hpqdtJwW1f5grTAF2UAeqnxlGlbCgW5FKuej3HGdvd23jNDzJgiGec/ qWb+V2jg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1oU2JJ-008crS-QJ; Fri, 02 Sep 2022 08:45:58 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 6E900300244; Fri, 2 Sep 2022 10:45:57 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 5DA4A2B8A3BF1; Fri, 2 Sep 2022 10:45:57 +0200 (CEST) Date: Fri, 2 Sep 2022 10:45:57 +0200 From: Peter Zijlstra To: Dietmar Eggemann Cc: Vincent Guittot , Ingo Molnar , Morten Rasmussen , Vincent Donnefort , Quentin Perret , Patrick Bellasi , Abhijeet Dharmapurikar , Jian-Min , Qais Yousef , linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 1/1] sched/pelt: Introduce PELT multiplier Message-ID: References: <20220829055450.1703092-1-dietmar.eggemann@arm.com> <20220829055450.1703092-2-dietmar.eggemann@arm.com> <12b3443a-6456-4a57-95b3-dd6be5b10873@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <12b3443a-6456-4a57-95b3-dd6be5b10873@arm.com> X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 02, 2022 at 09:53:50AM +0200, Dietmar Eggemann wrote: > But AFAIK at least some of the Android folks want to change this during > runtime and they don't have debugfs mounted. They want; I want an explanation of what exact problem is fixed how ;-)