From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 09/10] psi: cgroup support
Date: Thu, 12 Jul 2018 13:08:21 -0700
Message-ID: <20180712200821.GN72677@devbig577.frc2.facebook.com>
References: <20180712172942.10094-1-hannes@cmpxchg.org>
 <20180712172942.10094-10-hannes@cmpxchg.org>
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To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Ingo Molnar <mingo@redhat.com>, Peter Zijlstra <peterz@infradead.org>, Andrew Morton <akpm@linux-foundation.org>, Linus Torvalds <torvalds@linux-foundation.org>, Suren Baghdasaryan <surenb@google.com>, Vinayak Menon <vinmenon@codeaurora.org>, Christopher Lameter <cl@linux.com>, Mike Galbraith <efault@gmx.de>, Shakeel Butt <shakeelb@google.com>, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com

On Thu, Jul 12, 2018 at 01:29:41PM -0400, Johannes Weiner wrote:
> On a system that executes multiple cgrouped jobs and independent
> workloads, we don't just care about the health of the overall system,
> but also that of individual jobs, so that we can ensure individual job
> health, fairness between jobs, or prioritize some jobs over others.
> 
> This patch implements pressure stall tracking for cgroups. In kernels
> with CONFIG_PSI=y, cgroup2 groups will have cpu.pressure,
> memory.pressure, and io.pressure files that track aggregate pressure
> stall times for only the tasks inside the cgroup.
> 
> Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>

Acked-by: Tejun Heo <tj@kernel.org>

Please feel free to route with the rest of the patchset.

Thanks.

-- 
tejun