From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753761AbdKFQEl (ORCPT ); Mon, 6 Nov 2017 11:04:41 -0500 Received: from merlin.infradead.org ([205.233.59.134]:45282 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751277AbdKFQEk (ORCPT ); Mon, 6 Nov 2017 11:04:40 -0500 Date: Mon, 6 Nov 2017 17:04:38 +0100 From: Peter Zijlstra To: Kirill Tkhai 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 Message-ID: <20171106160438.GJ3165@worktop.lehotels.local> References: <150997831079.4082.2128628793286090861.stgit@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <150997831079.4082.2128628793286090861.stgit@localhost.localdomain> User-Agent: Mutt/1.5.22.1 (2013-10-16) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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")