From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Zijlstra Subject: Re: [PATCH v4 14/16] sched/core: uclamp: request CAP_SYS_ADMIN by default Date: Mon, 24 Sep 2018 17:56:16 +0200 Message-ID: <20180924155616.GA7060@hirez.programming.kicks-ass.net> References: <20180828135324.21976-1-patrick.bellasi@arm.com> <20180828135324.21976-15-patrick.bellasi@arm.com> <20180904134748.GA4974@localhost.localdomain> <20180906144053.GD25636@e110439-lin> <20180914111003.GC24082@hirez.programming.kicks-ass.net> <20180914140732.GR1413@e110439-lin> <20180914142813.GM24124@hirez.programming.kicks-ass.net> <20180917122723.GS1413@e110439-lin> <20180921091308.GD24082@hirez.programming.kicks-ass.net> <20180924151400.GT1413@e110439-lin> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20180924151400.GT1413@e110439-lin> Sender: linux-kernel-owner@vger.kernel.org To: Patrick Bellasi Cc: Juri Lelli , linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Ingo Molnar , Tejun Heo , "Rafael J . Wysocki" , Viresh Kumar , Vincent Guittot , Paul Turner , Quentin Perret , Dietmar Eggemann , Morten Rasmussen , Todd Kjos , Joel Fernandes , Steve Muckle , Suren Baghdasaryan List-Id: linux-pm@vger.kernel.org On Mon, Sep 24, 2018 at 04:14:00PM +0100, Patrick Bellasi wrote: > On 21-Sep 11:13, Peter Zijlstra wrote: > > Laptops with active cooling however... > > How do you see active cooling playing a role ? > > Are you thinking, for example, at reduced fan noise if we remain below > a certain OPP ? > > Are you factoring fans power consumptions into the overall P consumption ? Nothing as fancy as that; I just figured that with a larger cooling capacity, you can push chips higher onto that curve past the optimal IPC/Watt point. Make it go fast etc..