linux-kernel - Re: [BUG nohz]: wrong user and system time accounting

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Message-ID: <1490877219.4702.23.camel@gmx.de>
Date:   Thu, 30 Mar 2017 14:33:39 +0200
From:   Mike Galbraith <efault@....de>
To:     Wanpeng Li <kernellwp@...il.com>
Cc:     Rik van Riel <riel@...hat.com>,
        Luiz Capitulino <lcapitulino@...hat.com>,
        Frederic Weisbecker <fweisbec@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [BUG nohz]: wrong user and system time accounting

On Thu, 2017-03-30 at 19:52 +0800, Wanpeng Li wrote:

> If we should just add random offset to the cpu in the nohz_full mode?

Up to you, whatever works best.  I left the regular skew alone, just
added some noise to scheduler_tick_max_deferment().

	-Mike