From owner-freebsd-hackers@freebsd.org  Wed Sep  5 09:35:59 2018
Return-Path: <owner-freebsd-hackers@freebsd.org>
Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9D2E1FEA2DF;
 Wed,  5 Sep 2018 09:35:59 +0000 (UTC) (envelope-from lev@FreeBSD.org)
Received: from onlyone.not-for.work (onlyone.not-for.work
 [IPv6:2a01:4f8:201:6350::2])
 by mx1.freebsd.org (Postfix) with ESMTP id 361487985F;
 Wed,  5 Sep 2018 09:35:59 +0000 (UTC) (envelope-from lev@FreeBSD.org)
Received: from lion.home.serebryakov.spb.ru (unknown
 [IPv6:2001:470:923f:1:99c6:bbf1:45c9:c9cf])
 (Authenticated sender: lev@serebryakov.spb.ru)
 by onlyone.not-for.work (Postfix) with ESMTPSA id 049D6C89;
 Wed,  5 Sep 2018 12:35:56 +0300 (MSK)
Date: Wed, 5 Sep 2018 12:35:56 +0300
From: Lev Serebryakov <lev@FreeBSD.org>
Reply-To: lev@FreeBSD.org
Organization: FreeBSD
Message-ID: <1963289672.20180905123556@serebryakov.spb.ru>
To: Cy Schubert <Cy.Schubert@cschubert.com>, 
 FreeBSD Current <freebsd-current@freebsd.org>, 
 "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>
Subject: Re: Celeron J3160 with enabled Turbo mode stays at 480MHz
 (lowestsetting) 
 forever and can not lower frequency without Tuebo mode
In-Reply-To: <20180905001320.0C127109A@spqr.komquats.com>
References: <20180905001320.0C127109A@spqr.komquats.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.27
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
 <freebsd-hackers.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers/>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
 <mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 05 Sep 2018 09:35:59 -0000

Hello Cy,

Wednesday, September 5, 2018, 3:12:34 AM, you wrote:

> Are you running powers?
 powerd? yes. With "adaptive" strategy"

> Do you use c-states?
 Oops. My fault. I've forgot to set cx_lowest to C3 on all cores.
 BTW, these four settings in rc.conf(5)

  performance_cx_lowest
  performance_cpu_freq
  economy_cx_lowest
  economy_cpu_freq

do NOTHING. They are not used ANYWHERE but rc.conf and rc.conf.5!

> What happens if you boot in (instead of switch to) turbo mode?
 Sorry? I could only turn Turbo mode on/off in BIOS before boot.

 BTW, "Turbo mode enabled + dev.cpu.X.cx_lowset=C3 + powerd" works, but
gives only 1601 Mhz, not 2240MHz max:

TURBO ON:
dev.cpu.0.freq_levels: 1601/2000 1600/2000 1520/1900 1440/1800 1360/1700 1280/1600 1200/1500 1120/1400 1040/1300 960/1200 880/1100 800/1000 720/900 640/800 560/700 480/600 420/525 360/450 300/375 240/300 180/225 120/150 60/75

TURBO OFF:
dev.cpu.0.freq_levels: 1600/2000 1520/1900 1440/1800 1360/1700 1280/1600 1200/1500 1120/1400 1040/1300 960/1200 880/1100 800/1000 720/900 640/800 560/700 480/600 420/525 360/450 300/375 240/300 180/225 120/150 60/75

  But I could live with that :-)

-- 
Best regards,
 Lev                            mailto:lev@FreeBSD.org