From: Johannes Weiner <hannes@cmpxchg.org>
To: Dan Schatzberg <dschatzberg@fb.com>
Cc: Tejun Heo <tj@kernel.org>, Li Zefan <lizefan@huawei.com>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org
Subject: Re: [PATCH] psi: Expose pressure metrics on root cgroup
Date: Fri, 10 May 2019 14:23:58 -0400 [thread overview]
Message-ID: <20190510182358.GA14027@cmpxchg.org> (raw)
In-Reply-To: <20190510174938.3361741-1-dschatzberg@fb.com>
On Fri, May 10, 2019 at 10:49:34AM -0700, Dan Schatzberg wrote:
> Pressure metrics are already recorded and exposed in procfs for the
> entire system, but any tool which monitors cgroup pressure has to
> special case the root cgroup to read from procfs. This patch exposes
> the already recorded pressure metrics on the root cgroup.
>
> Signed-off-by: Dan Schatzberg <dschatzberg@fb.com>
Looks good to me, thanks Dan!
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
next prev parent reply other threads:[~2019-05-10 18:24 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-10 17:49 [PATCH] psi: Expose pressure metrics on root cgroup Dan Schatzberg
2019-05-10 18:23 ` Johannes Weiner [this message]
2019-05-10 21:16 ` Andrew Morton
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