From: Dietmar Eggemann <dietmar.eggemann@arm.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org,
Vincent Guittot <vincent.guittot@linaro.org>,
Ben Segall <bsegall@google.com>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Yuyang Du <yuyang.du@intel.com>
Subject: Re: [RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq
Date: Thu, 2 Jun 2016 16:40:37 +0100 [thread overview]
Message-ID: <57505375.4060009@arm.com> (raw)
In-Reply-To: <20160601201005.GN3193@twins.programming.kicks-ass.net>
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.
prev parent reply other threads:[~2016-06-02 15:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-01 19:39 [RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq Dietmar Eggemann
2016-06-01 19:39 ` [RFC PATCH 1/3] sched/fair: " Dietmar Eggemann
2016-06-02 9:23 ` Juri Lelli
2016-06-02 15:53 ` Dietmar Eggemann
2016-06-02 16:11 ` Juri Lelli
2016-06-01 19:39 ` [RFC PATCH 2/3] sched/fair: Sync se with " Dietmar Eggemann
2016-06-06 2:59 ` Leo Yan
2016-06-06 8:45 ` Dietmar Eggemann
2016-06-06 12:11 ` Vincent Guittot
2016-06-01 19:39 ` [RFC PATCH 3/3] sched/fair: Change @running of __update_load_avg() to @update_util Dietmar Eggemann
2016-06-01 20:11 ` Peter Zijlstra
2016-06-02 15:59 ` Dietmar Eggemann
2016-06-02 9:25 ` Juri Lelli
2016-06-02 17:27 ` Dietmar Eggemann
2016-06-03 10:56 ` Juri Lelli
2016-06-01 20:10 ` [RFC PATCH 0/3] Aggregate task utilization only on root cfs_rq Peter Zijlstra
2016-06-02 15:40 ` Dietmar Eggemann [this message]
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