From: Peter Zijlstra <peterz@infradead.org>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Tejun Heo <tj@kernel.org>,
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
Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP
Date: Thu, 7 Apr 2016 21:31:27 +0200 [thread overview]
Message-ID: <20160407193127.GB3448@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160407190424.GA20407@cmpxchg.org>
On Thu, Apr 07, 2016 at 03:04:24PM -0400, Johannes Weiner wrote:
> All this means here is that if you want to change the shares allocated
> to the tasks in R (or then L) you have to be explicit about it and
> update the weight configuration in L.
Updating the weight of L for every task spawned and killed is simply not
an option.
The fact that you're not willing to admit to this is troubling, but does
confirm I can stop spending time on anything cgroup v2. cpu-cgroup just
isn't going to move to this inferior interface.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Johannes Weiner <hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
Cc: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
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
Subject: Re: [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP
Date: Thu, 7 Apr 2016 21:31:27 +0200 [thread overview]
Message-ID: <20160407193127.GB3448@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160407190424.GA20407-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
On Thu, Apr 07, 2016 at 03:04:24PM -0400, Johannes Weiner wrote:
> All this means here is that if you want to change the shares allocated
> to the tasks in R (or then L) you have to be explicit about it and
> update the weight configuration in L.
Updating the weight of L for every task spawned and killed is simply not
an option.
The fact that you're not willing to admit to this is troubling, but does
confirm I can stop spending time on anything cgroup v2. cpu-cgroup just
isn't going to move to this inferior interface.
next prev parent reply other threads:[~2016-04-07 19:31 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-11 15:41 [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP Tejun Heo
2016-03-11 15:41 ` Tejun Heo
2016-03-11 15:41 ` [PATCH 01/10] cgroup: introduce cgroup_[un]lock() Tejun Heo
2016-03-11 15:41 ` Tejun Heo
2016-03-11 15:41 ` [PATCH 02/10] cgroup: un-inline cgroup_path() and friends Tejun Heo
2016-03-11 15:41 ` [PATCH 03/10] cgroup: introduce CGRP_MIGRATE_* flags Tejun Heo
2016-03-11 15:41 ` Tejun Heo
2016-03-11 15:41 ` [PATCH 04/10] signal: make put_signal_struct() public Tejun Heo
2016-03-11 15:41 ` [PATCH 05/10] cgroup, fork: add @new_rgrp_cset[p] and @clone_flags to cgroup fork callbacks Tejun Heo
2016-03-11 15:41 ` Tejun Heo
2016-03-11 15:41 ` [PATCH 06/10] cgroup, fork: add @child and @clone_flags to threadgroup_change_begin/end() Tejun Heo
2016-03-11 15:41 ` [PATCH 07/10] cgroup: introduce resource group Tejun Heo
2016-03-11 15:41 ` Tejun Heo
2016-03-11 15:41 ` [PATCH 08/10] cgroup: implement rgroup control mask handling Tejun Heo
2016-03-11 15:41 ` Tejun Heo
2016-03-11 15:41 ` [PATCH 09/10] cgroup: implement rgroup subtree migration Tejun Heo
2016-03-11 15:41 ` [PATCH 10/10] cgroup, sched: implement PRIO_RGRP for {set|get}priority() Tejun Heo
2016-03-11 15:41 ` Tejun Heo
2016-03-11 16:05 ` Example program for PRIO_RGRP Tejun Heo
2016-03-11 16:05 ` Tejun Heo
2016-03-12 6:26 ` [PATCHSET RFC cgroup/for-4.6] cgroup, sched: implement resource group and PRIO_RGRP Mike Galbraith
2016-03-12 6:26 ` Mike Galbraith
2016-03-12 17:04 ` Mike Galbraith
2016-03-12 17:04 ` Mike Galbraith
2016-03-12 17:13 ` cgroup NAKs ignored? " Ingo Molnar
2016-03-12 17:13 ` Ingo Molnar
2016-03-13 14:42 ` Tejun Heo
2016-03-13 14:42 ` Tejun Heo
2016-03-13 15:00 ` Tejun Heo
2016-03-13 15:00 ` Tejun Heo
2016-03-13 17:40 ` Mike Galbraith
2016-03-13 17:40 ` Mike Galbraith
2016-04-07 0:00 ` Tejun Heo
2016-04-07 0:00 ` Tejun Heo
2016-04-07 3:26 ` Mike Galbraith
2016-04-07 3:26 ` Mike Galbraith
2016-03-14 2:23 ` Mike Galbraith
2016-03-14 2:23 ` Mike Galbraith
2016-03-14 11:30 ` Peter Zijlstra
2016-03-14 11:30 ` Peter Zijlstra
2016-04-06 15:58 ` Tejun Heo
2016-04-06 15:58 ` Tejun Heo
2016-04-06 15:58 ` Tejun Heo
2016-04-07 6:45 ` Peter Zijlstra
2016-04-07 6:45 ` Peter Zijlstra
2016-04-07 7:35 ` Johannes Weiner
2016-04-07 7:35 ` Johannes Weiner
2016-04-07 8:05 ` Mike Galbraith
2016-04-07 8:05 ` Mike Galbraith
2016-04-07 8:08 ` Peter Zijlstra
2016-04-07 8:08 ` Peter Zijlstra
2016-04-07 9:28 ` Johannes Weiner
2016-04-07 9:28 ` Johannes Weiner
2016-04-07 10:42 ` Peter Zijlstra
2016-04-07 10:42 ` Peter Zijlstra
2016-04-07 19:45 ` Tejun Heo
2016-04-07 19:45 ` Tejun Heo
2016-04-07 20:25 ` Peter Zijlstra
2016-04-07 20:25 ` Peter Zijlstra
2016-04-08 20:11 ` Tejun Heo
2016-04-08 20:11 ` Tejun Heo
2016-04-09 6:16 ` Mike Galbraith
2016-04-09 6:16 ` Mike Galbraith
2016-04-09 13:39 ` Peter Zijlstra
2016-04-09 13:39 ` Peter Zijlstra
2016-04-12 22:29 ` Tejun Heo
2016-04-12 22:29 ` Tejun Heo
2016-04-13 7:43 ` Mike Galbraith
2016-04-13 7:43 ` Mike Galbraith
2016-04-13 15:59 ` Tejun Heo
2016-04-13 19:15 ` Mike Galbraith
2016-04-13 19:15 ` Mike Galbraith
2016-04-14 6:07 ` Mike Galbraith
2016-04-14 19:57 ` Tejun Heo
2016-04-14 19:57 ` Tejun Heo
2016-04-15 2:42 ` Mike Galbraith
2016-04-15 2:42 ` Mike Galbraith
2016-04-09 16:02 ` Peter Zijlstra
2016-04-09 16:02 ` Peter Zijlstra
2016-04-07 8:28 ` Peter Zijlstra
2016-04-07 8:28 ` Peter Zijlstra
2016-04-07 19:04 ` Johannes Weiner
2016-04-07 19:04 ` Johannes Weiner
2016-04-07 19:31 ` Peter Zijlstra [this message]
2016-04-07 19:31 ` Peter Zijlstra
2016-04-07 20:23 ` Johannes Weiner
2016-04-07 20:23 ` Johannes Weiner
2016-04-08 3:13 ` Mike Galbraith
2016-04-08 3:13 ` Mike Galbraith
2016-03-15 17:21 ` Michal Hocko
2016-03-15 17:21 ` Michal Hocko
2016-04-06 21:53 ` Tejun Heo
2016-04-06 21:53 ` Tejun Heo
2016-04-07 6:40 ` Peter Zijlstra
2016-04-07 6:40 ` Peter Zijlstra
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