From owner-freebsd-current@freebsd.org Thu Sep 6 11:32:33 2018 Return-Path: Delivered-To: freebsd-current@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 91DE2FF7D36; Thu, 6 Sep 2018 11:32:33 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [148.251.9.81]) by mx1.freebsd.org (Postfix) with ESMTP id 0C2C07249E; Thu, 6 Sep 2018 11:32:33 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.23.186] (unknown [89.113.128.32]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id 4E5E5DFA; Thu, 6 Sep 2018 14:32:30 +0300 (MSK) Reply-To: lev@FreeBSD.org Subject: Re: Celeron J3160 with enabled Turbo mode stays at 480MHz(lowestsetting) forever and can not lower frequency without Tuebo mode To: Benjamin Kaduk Cc: Cy Schubert , Eric van Gyzen , FreeBSD Current , "freebsd-hackers@freebsd.org" References: <20180905145219.6593F83F@spqr.komquats.com> <20180905223246.GH73164@kduck.kaduk.org> <499689041.20180906030229@serebryakov.spb.ru> <20180906011536.GL73164@kduck.kaduk.org> From: Lev Serebryakov Openpgp: preference=signencrypt Autocrypt: addr=lev@FreeBSD.org; 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WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20180906011536.GL73164@kduck.kaduk.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Sep 2018 11:32:33 -0000 On 06.09.2018 4:15, Benjamin Kaduk wrote: > Okay, "system openssl" and the FreeBSD version is enough to nail down the > code and configuration, and I see the processor type is in the subject > line. I guess posting the CPU features bits from dmesg might save whoever > tries to track down the codepaths being used some time (unless that was > posted already and I missed it?). I'll post it tonight, but I don't think it is very openssl-specific or thermal throttling. I've monitored temperatures, of course, and monitored frequencies with turbostat. With Turbo enabled freuqnces jumps wildly and were lower than with Turbo disabled. And anyway, even frequencies jumps were not large enough to explain x3.5 difference. Another thing which puzzles me, that with Turbo disabled (!) I see frequencies 2666MHz accroding to turbostat, which seems impossible, as it is higher than official Turbo frequency (!). I don't know how to explain this. Maybe, turbostat fails? -- // Lev Serebryakov