linux-kernel - Re: [PATCH -v2 15/18] sched/fair: Align PELT windows between cfs

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Message-ID: <20171009121903.v27l5yauuffuczmc@hirez.programming.kicks-ass.net>
Date:   Mon, 9 Oct 2017 14:19:03 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Dietmar Eggemann <dietmar.eggemann@....com>
Cc:     mingo@...nel.org, linux-kernel@...r.kernel.org, tj@...nel.org,
        josef@...icpanda.com, torvalds@...ux-foundation.org,
        vincent.guittot@...aro.org, efault@....de, pjt@...gle.com,
        clm@...com, morten.rasmussen@....com, bsegall@...gle.com,
        yuyang.du@...el.com
Subject: Re: [PATCH -v2 15/18] sched/fair: Align PELT windows between cfs_rq
 and its se

On Mon, Oct 09, 2017 at 01:15:04PM +0100, Dietmar Eggemann wrote:
> I can't see right now how a task group can get attached with
> se->load.weight < 1024 (32 bit)/1048576 (64 bit)? Do I miss something?

Ah, I think I made a think-o, I think I considered migration for group
entities, but those don't migrate.