linux-kernel - Re: [regression] cross core scheduling frequency drop bisected to 0c313cb20732

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Message-ID: <2428384.mEkP3EOpsR@vostro.rjw.lan>
Date:	Fri, 08 Apr 2016 22:59:59 +0200
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Mike Galbraith <umgwanakikbuti@...il.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Doug Smythies <dsmythies@...us.net>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [regression] cross core scheduling frequency drop bisected to 0c313cb20732

On Friday, April 08, 2016 08:50:54 AM Mike Galbraith wrote:
> On Fri, 2016-04-08 at 08:45 +0200, Peter Zijlstra wrote:
> 
> > Cute, I thought you used governor=performance for your runs?
> 
> I do, and those numbers are with it thus set.

Well, this is a trade-off.

4.5 introduced a power regression here so this one goes back to the previous
state of things.

Thanks,
Rafael