From: Joel Fernandes <joel@joelfernandes.org>
To: Patrick Bellasi <patrick.bellasi@arm.com>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>, Tejun Heo <tj@kernel.org>,
"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
Viresh Kumar <viresh.kumar@linaro.org>,
Vincent Guittot <vincent.guittot@linaro.org>,
Paul Turner <pjt@google.com>,
Dietmar Eggemann <dietmar.eggemann@arm.com>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Juri Lelli <juri.lelli@redhat.com>, Todd Kjos <tkjos@google.com>,
Joel Fernandes <joelaf@google.com>,
Steve Muckle <smuckle@google.com>,
Suren Baghdasaryan <surenb@google.com>
Subject: Re: [PATCH v2 00/12] Add utilization clamping support
Date: Tue, 17 Jul 2018 06:03:57 -0700 [thread overview]
Message-ID: <20180717130357.GA17824@joelaf.mtv.corp.google.com> (raw)
In-Reply-To: <20180716082906.6061-1-patrick.bellasi@arm.com>
On Mon, Jul 16, 2018 at 09:28:54AM +0100, Patrick Bellasi wrote:
> This is a respin of:
>
> https://lore.kernel.org/lkml/20180409165615.2326-1-patrick.bellasi@arm.com
>
> which addresses all the feedbacks collected from the LKML discussion as well
> as during the presentation at last OSPM Summit:
>
> https://www.youtube.com/watch?v=0Yv9smm9i78
>
> Further comments and feedbacks are more than welcome!
>
[...]
>
> Patrick Bellasi (12):
> sched/core: uclamp: extend sched_setattr to support utilization
> clamping
> sched/core: uclamp: map TASK's clamp values into CPU's clamp groups
> sched/core: uclamp: add CPU's clamp groups accounting
> sched/core: uclamp: update CPU's refcount on clamp changes
> sched/cpufreq: uclamp: add utilization clamping for FAIR tasks
> sched/cpufreq: uclamp: add utilization clamping for RT tasks
> sched/core: uclamp: enforce last task UCLAMP_MAX
> sched/core: uclamp: extend cpu's cgroup controller
> sched/core: uclamp: map TG's clamp values into CPU's clamp groups
> sched/core: uclamp: use TG's clamps to restrict Task's clamps
> sched/core: uclamp: update CPU's refcount on TG's clamp changes
> sched/core: uclamp: use percentage clamp values
>
> Documentation/admin-guide/cgroup-v2.rst | 25 +
> include/linux/sched.h | 53 ++
> include/uapi/linux/sched.h | 4 +-
> include/uapi/linux/sched/types.h | 66 +-
> init/Kconfig | 63 ++
> kernel/sched/core.c | 876 ++++++++++++++++++++++++
While I'm reviewing these patches, I had a quick thought. core.c is already
7k+ lines. Based on this diffstat, does it make sense for uclamp to be in its
own kernel/sched/uclamp.c file?
thanks,
- Joel
next prev parent reply other threads:[~2018-07-17 13:04 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-16 8:28 [PATCH v2 00/12] Add utilization clamping support Patrick Bellasi
2018-07-16 8:28 ` [PATCH v2 01/12] sched/core: uclamp: extend sched_setattr to support utilization clamping Patrick Bellasi
2018-07-17 17:50 ` Joel Fernandes
2018-07-18 8:42 ` Patrick Bellasi
2018-07-18 17:02 ` Joel Fernandes
2018-07-17 18:04 ` Joel Fernandes
2018-07-16 8:28 ` [PATCH v2 02/12] sched/core: uclamp: map TASK's clamp values into CPU's clamp groups Patrick Bellasi
2018-07-19 23:51 ` Suren Baghdasaryan
2018-07-20 15:11 ` Patrick Bellasi
2018-07-21 0:25 ` Suren Baghdasaryan
2018-07-23 13:36 ` Patrick Bellasi
2018-07-16 8:28 ` [PATCH v2 03/12] sched/core: uclamp: add CPU's clamp groups accounting Patrick Bellasi
2018-07-20 20:25 ` Suren Baghdasaryan
2018-07-16 8:28 ` [PATCH v2 04/12] sched/core: uclamp: update CPU's refcount on clamp changes Patrick Bellasi
2018-07-16 8:28 ` [PATCH v2 05/12] sched/cpufreq: uclamp: add utilization clamping for FAIR tasks Patrick Bellasi
2018-07-16 8:29 ` [PATCH v2 06/12] sched/cpufreq: uclamp: add utilization clamping for RT tasks Patrick Bellasi
2018-07-16 8:29 ` [PATCH v2 07/12] sched/core: uclamp: enforce last task UCLAMP_MAX Patrick Bellasi
2018-07-21 1:23 ` Suren Baghdasaryan
2018-07-23 15:02 ` Patrick Bellasi
2018-07-23 16:40 ` Suren Baghdasaryan
2018-07-16 8:29 ` [PATCH v2 08/12] sched/core: uclamp: extend cpu's cgroup controller Patrick Bellasi
2018-07-21 2:37 ` Suren Baghdasaryan
2018-07-21 3:16 ` Suren Baghdasaryan
2018-07-23 15:17 ` Patrick Bellasi
2018-07-23 15:30 ` Tejun Heo
2018-07-23 17:22 ` Patrick Bellasi
2018-07-24 13:29 ` Tejun Heo
2018-07-24 15:39 ` Patrick Bellasi
2018-07-27 0:39 ` Joel Fernandes
2018-07-27 8:09 ` Quentin Perret
2018-07-16 8:29 ` [PATCH v2 09/12] sched/core: uclamp: map TG's clamp values into CPU's clamp groups Patrick Bellasi
2018-07-16 8:29 ` [PATCH v2 10/12] sched/core: uclamp: use TG's clamps to restrict Task's clamps Patrick Bellasi
2018-07-22 3:05 ` Suren Baghdasaryan
2018-07-23 15:40 ` Patrick Bellasi
2018-07-23 17:11 ` Suren Baghdasaryan
2018-07-24 9:56 ` Patrick Bellasi
2018-07-24 15:28 ` Suren Baghdasaryan
2018-07-24 15:49 ` Patrick Bellasi
2018-07-16 8:29 ` [PATCH v2 11/12] sched/core: uclamp: update CPU's refcount on TG's clamp changes Patrick Bellasi
2018-07-22 3:17 ` Suren Baghdasaryan
2018-07-16 8:29 ` [PATCH v2 12/12] sched/core: uclamp: use percentage clamp values Patrick Bellasi
2018-07-22 4:04 ` Suren Baghdasaryan
2018-07-24 16:43 ` Patrick Bellasi
2018-07-24 17:11 ` Suren Baghdasaryan
2018-07-24 17:17 ` Patrick Bellasi
2018-07-17 13:03 ` Joel Fernandes [this message]
2018-07-17 13:41 ` [PATCH v2 00/12] Add utilization clamping support Patrick Bellasi
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