linux-kernel - Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO

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Message-ID: <1460016348.4080.26.camel@gmail.com>
Date:	Thu, 07 Apr 2016 10:05:48 +0200
From:	Mike Galbraith <umgwanakikbuti@...il.com>
To:	Johannes Weiner <hannes@...xchg.org>,
	Peter Zijlstra <peterz@...radead.org>
Cc:	Tejun Heo <tj@...nel.org>, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, mingo@...hat.com, lizefan@...wei.com,
	pjt@...gle.com, linux-kernel@...r.kernel.org,
	cgroups@...r.kernel.org, linux-api@...r.kernel.org,
	kernel-team@...com
Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource
 group and PRIO_RGRP

On Thu, 2016-04-07 at 03:35 -0400, Johannes Weiner wrote:
> On Thu, Apr 07, 2016 at 08:45:49AM +0200, Peter Zijlstra wrote:
> > So I recently got made aware of the fact that cgroupv2 doesn't
> > allow
> > tasks to be associated with !leaf cgroups, this is yet another
> > capability of cpu-cgroup you've destroyed.
> 
> May I ask how you are using that?

One real world usage is the thread pool servicing customers on a cgroup
= account basis that I outlined.

	-Mike