Re: [RESEND PATCH 2/2] cpuacct: split usage into user_usage and sys_usage.
From: 'Tejun Heo' <tj@kernel.org>
Date: 2016-03-02 16:12:52
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From: 'Tejun Heo' <tj@kernel.org>
Date: 2016-03-02 16:12:52
Also in:
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Hello, On Tue, Mar 01, 2016 at 06:35:56PM +0800, Zhao Lei wrote:
Hi, Tejun Heoquoted
From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-owner@vger.kernel.org] On Behalf Of Tejun Heo Sent: Tuesday, December 22, 2015 5:33 AM To: Dongsheng Yang <redacted> Cc: cgroups@vger.kernel.org; linux-kernel@vger.kernel.org; mingo@redhat.com; peterz@infradead.org Subject: Re: [RESEND PATCH 2/2] cpuacct: split usage into user_usage and sys_usage. On Mon, Dec 21, 2015 at 07:14:43PM +0800, Dongsheng Yang wrote:quoted
Sometimes, cpuacct.usage is not detialed enough to user to see how much usage a group used. We want to know how much time it used in user mode and how much in kernel mode.Yang gave this patch to me :) I'm plan to continue this function.quoted
cpuusage is being phased out. If you need these stats, please implement it on cpu side.Currently, old stats are put in cpuacct, if we put new stats into cpu side, we have following way:
Yeah, on the second thought, at least for now, I think it's best to put this in cpuacct. We can do the trafer to the cpu controller later. Please feel free to add Acked-by: Tejun Heo [off-list ref] Thanks. -- tejun