linux-kernel - Re: [RFC] why can't dynamic isolation just like the static way

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Message-ID: <20200211090028.4e12d02e@gandalf.local.home>
Date:   Tue, 11 Feb 2020 09:00:28 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     王贇 <yun.wang@...ux.alibaba.com>,
        Ingo Molnar <mingo@...hat.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        "open list:SCHEDULER" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] why can't dynamic isolation just like the static way

On Tue, 11 Feb 2020 12:43:50 +0100
Peter Zijlstra <peterz@...radead.org> wrote:

> On Tue, Feb 11, 2020 at 04:17:34PM +0800, 王贇 wrote:
> > Hi, folks
> > 
> > We are dealing with isolcpus these days and try to do the isolation
> > dynamically.
> > 
> > The kernel doc lead us into the cpuset.sched_load_balance, it's fine
> > to achieve the dynamic isolation with it, however we got problem with
> > the systemd stuff.  
> 
> Then don't use systemd :-) Also, if systemd is the problem, why are you
> bugging us?

[ Background. Peter is someone that doesn't even use systemd. ;-) ]

-- Steve