From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755272AbcDGIF6 (ORCPT ); Thu, 7 Apr 2016 04:05:58 -0400 Received: from mail-wm0-f43.google.com ([74.125.82.43]:38364 "EHLO mail-wm0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751802AbcDGIFx (ORCPT ); Thu, 7 Apr 2016 04:05:53 -0400 Message-ID: <1460016348.4080.26.camel@gmail.com> Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP From: Mike Galbraith To: Johannes Weiner , Peter Zijlstra Cc: Tejun Heo , torvalds@linux-foundation.org, akpm@linux-foundation.org, mingo@redhat.com, lizefan@huawei.com, pjt@google.com, linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-api@vger.kernel.org, kernel-team@fb.com Date: Thu, 07 Apr 2016 10:05:48 +0200 In-Reply-To: <20160407073547.GA12560@cmpxchg.org> References: <1457710888-31182-1-git-send-email-tj@kernel.org> <20160314113013.GM6344@twins.programming.kicks-ass.net> <20160406155830.GI24661@htj.duckdns.org> <20160407064549.GH3430@twins.programming.kicks-ass.net> <20160407073547.GA12560@cmpxchg.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Galbraith Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP Date: Thu, 07 Apr 2016 10:05:48 +0200 Message-ID: <1460016348.4080.26.camel@gmail.com> References: <1457710888-31182-1-git-send-email-tj@kernel.org> <20160314113013.GM6344@twins.programming.kicks-ass.net> <20160406155830.GI24661@htj.duckdns.org> <20160407064549.GH3430@twins.programming.kicks-ass.net> <20160407073547.GA12560@cmpxchg.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160407073547.GA12560-druUgvl0LCNAfugRpC6u6w@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Johannes Weiner , Peter Zijlstra Cc: Tejun Heo , torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org, lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-api-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-team-b10kYP2dOMg@public.gmane.org List-Id: linux-api@vger.kernel.org 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