linux-kernel - Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

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Message-ID: <2462314.0YL1RfcC5m@vostro.rjw.lan>
Date:	Mon, 17 Aug 2015 20:22:38 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Morten Rasmussen <morten.rasmussen@....com>, mingo@...hat.com,
	vincent.guittot@...aro.org, daniel.lezcano@...aro.org,
	Dietmar Eggemann <Dietmar.Eggemann@....com>,
	yuyang.du@...el.com, mturquette@...libre.com,
	Juri Lelli <Juri.Lelli@....com>, sgurrappadi@...dia.com,
	pang.xunlei@....com.cn, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests

On Saturday, August 15, 2015 02:48:17 PM Peter Zijlstra wrote:
> 
> So this OPP thing, I think that got mentioned once earlier in this patch
> set, wth is that?

OPP stands for Operating Performance Points.  It is a library for representing
working clock-voltage combinations.

Described in Documentation/power/opp.txt (but may be outdated as there's some
work on it going on).

CC Viresh who's working on it right now.

Thanks,
Rafael

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