linux-kernel - Re: [PATCH 1/3] Added runqueue clock normalized with cpufreq

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Message-ID: <AANLkTikO56++q906A1XRbomeASY77wxeEuBqAdx=EttW@mail.gmail.com>
Date:	Fri, 17 Dec 2010 20:31:51 +0100
From:	Harald Gustafsson <hgu1972@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Dario Faggioli <raistlin@...ux.it>,
	Harald Gustafsson <harald.gustafsson@...csson.com>,
	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Claudio Scordino <claudio@...dence.eu.com>,
	Michael Trimarchi <trimarchi@...is.sssup.it>,
	Fabio Checconi <fabio@...dalf.sssup.it>,
	Tommaso Cucinotta <cucinotta@...up.it>,
	Juri Lelli <juri.lelli@...il.com>
Subject: Re: [PATCH 1/3] Added runqueue clock normalized with cpufreq

>> We already did the very same thing (for another EU Project called
>> FRESCOR), although it was done in an userspace sort of daemon. It was
>> also able to consider other "high level" parameters like some estimation
>> of the QoS of each application and of the global QoS of the system.
>>
>> However, converting the basic mechanism into a CPUfreq governor should
>> be easily doable... The only problem is finding the time for that! ;-P
>
> Ah, I think Harald will solve that for you,.. :)

Yes, I don't mind doing that. Could you point me to the right part of
the FRESCOR code, Dario?
I will then compare that with what I already have.
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