Re: [RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq

From	Dietmar Eggemann <dietmar.eggemann@arm.com>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq
Date	2016-06-02 17:50 +0200
Message-ID	<rFD2G-7GN-17@gated-at.bofh.it> (permalink)
References	<rFk9H-4bk-29@gated-at.bofh.it> <rFkMq-4JV-19@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 01/06/16 21:10, Peter Zijlstra wrote:
> On Wed, Jun 01, 2016 at 08:39:19PM +0100, Dietmar Eggemann wrote:
>> This is an alternative approach to '[RFC PATCH v2] sched: reflect
>> sched_entity movement into task_group's utilization' which requires
>> '[RFC PATCH] sched: fix hierarchical order in rq->leaf_cfs_rq_list'
> 
> Awesome, a 3rd alternative :-)

Yeah, sorry, but at least it runs op tip/sched/core w/o any other PELT
related changes.

Moreover, it's less code changes compared to the reflect-thing.

And Yuyang's implementation depended on the optimization of
_update_load_avg() (1us->1ms) which IMHO turned out to be not working.

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[RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-01 21:40 +0200
  [RFC PATCH 1/3] sched/fair: Aggregate task utilization only on root cfs_rq Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-01 21:40 +0200
    Re: [RFC PATCH 1/3] sched/fair: Aggregate task utilization only on  root cfs_rq Juri Lelli <juri.lelli@arm.com> - 2016-06-02 11:30 +0200
      Re: [RFC PATCH 1/3] sched/fair: Aggregate task utilization only on  root cfs_rq Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-02 18:00 +0200
        Re: [RFC PATCH 1/3] sched/fair: Aggregate task utilization only on  root cfs_rq Juri Lelli <juri.lelli@arm.com> - 2016-06-02 18:20 +0200
  [RFC PATCH 2/3] sched/fair: Sync se with root cfs_rq Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-01 21:50 +0200
    Re: [RFC PATCH 2/3] sched/fair: Sync se with root cfs_rq Leo Yan <leo.yan@linaro.org> - 2016-06-06 05:10 +0200
      Re: [RFC PATCH 2/3] sched/fair: Sync se with root cfs_rq Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-06 10:50 +0200
    Re: [RFC PATCH 2/3] sched/fair: Sync se with root cfs_rq Vincent Guittot <vincent.guittot@linaro.org> - 2016-06-06 14:20 +0200
  [RFC PATCH 3/3] sched/fair: Change @running of __update_load_avg() to @update_util Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-01 21:50 +0200
    Re: [RFC PATCH 3/3] sched/fair: Change @running of  __update_load_avg() to @update_util Peter Zijlstra <peterz@infradead.org> - 2016-06-01 22:20 +0200
      Re: [RFC PATCH 3/3] sched/fair: Change @running of  __update_load_avg() to @update_util Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-02 18:00 +0200
    Re: [RFC PATCH 3/3] sched/fair: Change @running of  __update_load_avg() to @update_util Juri Lelli <juri.lelli@arm.com> - 2016-06-02 11:30 +0200
      Re: [RFC PATCH 3/3] sched/fair: Change @running of  __update_load_avg() to @update_util Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-02 19:30 +0200
        Re: [RFC PATCH 3/3] sched/fair: Change @running of  __update_load_avg() to @update_util Juri Lelli <juri.lelli@arm.com> - 2016-06-03 13:00 +0200
  Re: [RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq Peter Zijlstra <peterz@infradead.org> - 2016-06-01 22:20 +0200
    Re: [RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq Dietmar Eggemann <dietmar.eggemann@arm.com> - 2016-06-02 17:50 +0200

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