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Date:   Mon, 29 Aug 2022 15:48:37 +0000
From:   Quentin Perret <qperret@google.com>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     Vincent Guittot <vincent.guittot@linaro.org>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Ingo Molnar <mingo@kernel.org>,
        Morten Rasmussen <morten.rasmussen@arm.com>,
        Vincent Donnefort <vdonnefort@google.com>,
        Patrick Bellasi <patrick.bellasi@matbug.net>,
        Abhijeet Dharmapurikar <adharmap@quicinc.com>,
        Jian-Min <Jian-Min.Liu@mediatek.com>,
        Qais Yousef <qais.yousef@arm.com>, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/1] sched/pelt: Introduce PELT multiplier
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On Monday 29 Aug 2022 at 16:34:39 (+0200), Peter Zijlstra wrote:
> On Mon, Aug 29, 2022 at 02:23:17PM +0000, Quentin Perret wrote:
> 
> > I'll let folks in CC comment about their use-case in more details, but
> > there's definitely been an interest in tuning this thing at run-time
> 
> An interest and it making sense are two very distinct things that bear
> no relation to one another in any way.

And just to clarify something here as my first message was misleading,
the run-time tuning of PELT HLs has been used in some Android products
for a little while already, so it's more than just a mere 'interest'.

That doesn't close the debate on whether this makes any sense, but I
figured this should be mentioned :-)