linux-kernel - Re: [PATCH v5 15/23] PM: EM: Optimize em_cpu

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Message-ID: <20240104192355.mrtqnek2cyw7rlkd@airbuntu>
Date: Thu, 4 Jan 2024 19:23:55 +0000
From: Qais Yousef <qyousef@...alina.io>
To: Lukasz Luba <lukasz.luba@....com>
Cc: linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	rafael@...nel.org, dietmar.eggemann@....com, rui.zhang@...el.com,
	amit.kucheria@...durent.com, amit.kachhap@...il.com,
	daniel.lezcano@...aro.org, viresh.kumar@...aro.org,
	len.brown@...el.com, pavel@....cz, mhiramat@...nel.org,
	wvw@...gle.com
Subject: Re: [PATCH v5 15/23] PM: EM: Optimize em_cpu_energy() and remove
 division

On 01/02/24 11:47, Lukasz Luba wrote:
> > Did you see a problem or just being extra cautious here?
> 
> There is no problem, 'cost' is a private coefficient for EAS only.

Let me  ask differently, what goes wrong if you don't increase the resolution
here? Why is it necessary?


Cheers

--
Qais Yousef