From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick Bellasi Subject: Re: [PATCH v4 07/16] sched/core: uclamp: extend cpu's cgroup controller Date: Wed, 29 Aug 2018 09:53:58 +0100 Message-ID: <20180829085358.GO2960@e110439-lin> References: <20180828135324.21976-1-patrick.bellasi@arm.com> <20180828135324.21976-8-patrick.bellasi@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Randy Dunlap Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Tejun Heo , "Rafael J . Wysocki" , Viresh Kumar , Vincent Guittot , Paul Turner , Quentin Perret , Dietmar Eggemann , Morten Rasmussen , Juri Lelli , Todd Kjos , Joel Fernandes , Steve Muckle , Suren Baghdasaryan List-Id: linux-pm@vger.kernel.org On 28-Aug 11:29, Randy Dunlap wrote: > On 08/28/2018 06:53 AM, Patrick Bellasi wrote: > > +config UCLAMP_TASK_GROUP > > + bool "Utilization clamping per group of tasks" > > + depends on CGROUP_SCHED > > + depends on UCLAMP_TASK > > + default n > > + help > > + This feature enables the scheduler to track the clamped utilization > > + of each CPU based on RUNNABLE tasks currently scheduled on that CPU. > > + > > + When this option is enabled, the user can specify a min and max > > + CPU bandwidth which is allowed for each single task in a group. > > + The max bandwidth allows to clamp the maximum frequency a task > > + can use, while the min bandwidth allows to define a minimum > > + frequency a task will always use. > > + > > + When task group based utilization clamping is enabled, an eventually > > + specified task-specific clamp value is constrained by the cgroup > > + specified clamp value. Both minimum and maximum task clamping cannot > > + be bigger than the corresponding clamping defined at task group level. > > The 4 lines above should all be indented the same (one tab + 2 spaces). Right... then there's definitively something broken with my vim reformat shortcut, which sometimes uses spaces instead of tabs :( Unfortunately this pattern is not covered by checkpatch, which returns not errors/warnings on this patch. > > + > > + If in doubt, say N. > > + Anyway, thanks for spotting it... easy fix for the next respin. Best, Patrick -- #include Patrick Bellasi