From: Peter Zijlstra <peterz@infradead.org>
To: Kirill Tkhai <ktkhai@virtuozzo.com>
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] Show cpu cgroup's nr_running and nr_iowait in cpu.stat file
Date: Mon, 6 Nov 2017 17:04:38 +0100 [thread overview]
Message-ID: <20171106160438.GJ3165@worktop.lehotels.local> (raw)
In-Reply-To: <150997831079.4082.2128628793286090861.stgit@localhost.localdomain>
On Mon, Nov 06, 2017 at 05:40:15PM +0300, Kirill Tkhai wrote:
> The patchset exports numbers of cpu cgroup's running tasks and tasks in iowait
> to userspace. This may be useful to get statistics of a separate container and
> to analyse its load.
NAK on the iowait thing. That should not be exposed ever.
Also read commit:
e33a9bba85a8 ("sched/core: move IO scheduling accounting from io_schedule_timeout() into scheduler")
prev parent reply other threads:[~2017-11-06 16:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-06 14:40 Kirill Tkhai
2017-11-06 14:40 ` [PATCH 1/4] sched: Move manipulations with nr_iowait counter to separate functions Kirill Tkhai
2017-11-06 14:40 ` [PATCH 2/4] sched: Account per task_group nr_iowait Kirill Tkhai
2017-11-06 16:06 ` Peter Zijlstra
2017-11-06 16:12 ` Kirill Tkhai
2017-11-06 16:24 ` Peter Zijlstra
2017-11-06 16:25 ` Peter Zijlstra
2017-11-06 14:40 ` [PATCH 3/4] sched: Export per task_cgroup nr_iowait to userspace Kirill Tkhai
2017-11-06 14:40 ` [PATCH 4/4] sched: Export per task_cgroup nr_running " Kirill Tkhai
2017-11-06 16:04 ` Peter Zijlstra [this message]
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