linux-kernel - Re: [PATCH/RFC 2/5] [PATCH] sched: pass sched_domain_level to sched_power_savings

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Message-ID: <1281947397.1926.1012.camel@laptop>
Date:	Mon, 16 Aug 2010 10:29:57 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
Cc:	Mike Galbraith <efault@....de>, Ingo Molnar <mingo@...e.hu>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	Andreas Herrmann <andreas.herrmann3@....com>,
	linux-kernel@...r.kernel.org,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [PATCH/RFC 2/5] [PATCH] sched: pass sched_domain_level to
 sched_power_savings_store

On Thu, 2010-08-12 at 19:25 +0200, Heiko Carstens wrote:
> Pass the corresponding sched domain level to sched_power_savings_store instead
> of a yes/no flag which indicates if the level is SMT or MC.
> This is needed to easily extend the function so it can be used for a third
> level. 

Ah, so the plan is to reduce the number of knobs, not create more.

Sysadmins really aren't interested in having a powersavings knob per
topology level.

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