From owner-freebsd-questions@FreeBSD.ORG Sat Feb 14 13:53:22 2015 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id F0C614E7 for ; Sat, 14 Feb 2015 13:53:22 +0000 (UTC) Received: from nm31-vm4.bullet.mail.ir2.yahoo.com (nm31-vm4.bullet.mail.ir2.yahoo.com [212.82.97.91]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 429DD262 for ; Sat, 14 Feb 2015 13:53:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.es; s=s2048; t=1423921992; bh=+rFEXE+/jrnwpwD4Chs/MGJBBeXgj9nJTUd9U+KnRRw=; h=Date:From:To:Subject:In-Reply-To:References:From:Subject; b=sy2SzKsAAxcJ9C/momv+zfJAve+Tc5quSpo4sunMQx67vG2ipb6kD7RvMMsdpOE1ouxZel72sd/ODB9BI8UiwjSqPokG3J1iMUX6HnxVtmZUNNaWciPVmD8Av5wtn/CVK4yyOYr6taBcIhVZIZSOcfpeRwKCdORtScMc1nM5ZmeA88CV4J9zRoCA9UJRwOkOabm7HdnARvkLsvfj0x6B6CRPnOrrtj0fPcxL5aA5rqa2H0dJxDDk4rw4LPTO5qN7W7VVxoANl2FXgAPxksjpzPOt6nhj4f8v6epgpSLzFWCULxhWDeaqdWFc2sUAyEZ3zrAB/Ml62dxt7Yx/3P3QDQ== Received: from [212.82.98.125] by nm31.bullet.mail.ir2.yahoo.com with NNFMP; 14 Feb 2015 13:53:12 -0000 Received: from [46.228.39.93] by tm18.bullet.mail.ir2.yahoo.com with NNFMP; 14 Feb 2015 13:53:12 -0000 Received: from [127.0.0.1] by smtp130.mail.ir2.yahoo.com with NNFMP; 14 Feb 2015 13:53:12 -0000 X-Yahoo-Newman-Id: 694086.92465.bm@smtp130.mail.ir2.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: _Mz0f_8VM1m3KC.CuH.k3UC8HPJivazDgyoNrLq..Pgzi8y 52UIULKN_JSvRSEpbsLfUm2.b1coD3sCMj2XqsIADhsqVYR6ZckjIpY3OY3t 1.T2YjXLTzsPIiJWU0CGiLaW5NLq9fbbh0CDxa7xNRUxo02qbLHlRomsCwt0 OhL3yzD8ezbBrAVrsK4iGWh0vKBI42Ut_5S9bda2a2fxDZbnfMlaw7E4ux_Z _yCAqHw888MUYMw.MnOpNIuZ3hED5PafXNgF6fDMcInp0nyWb6Ymh8XldS_c mAGWU8TUQuheHD_EnvCRprAbOw0yKbI_8535TDCwqLhNp_v9Z524s5J0.wrm CMs9EruQzaX.dpNBTdigL8w7Mj7eQ1jhU6QWB.OYnHs7nDhcqXGD5HFAnmir FQeEJ28VmQ3a_gpHAwmWuGfE1CXO262o9RRyyHv42y6Gm.rSlqNjTRNnchk. Nns6xtRY28Y686VEUqJXW_uO5LzyVLlK60dIDLuueEHOI9cM.gLu6.1tV_xV AS7gk6Ir0ts.Ng9EioZB0Ra23efVJByQIaiO5 X-Yahoo-SMTP: mX392iiswBAeJNdO_s.EW62LZDJR Date: Sat, 14 Feb 2015 14:53:46 +0100 From: Eduardo Morras To: freebsd-questions@freebsd.org Subject: Re: How to adjust clock frequency in FreeBSD 10.1 ? Message-Id: <20150214145346.3bd06f6ffe0f7d6dc658bc64@yahoo.es> In-Reply-To: References: X-Mailer: Sylpheed 3.4.2 (GTK+ 2.24.25; amd64-portbld-freebsd9.1) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 14 Feb 2015 13:53:23 -0000 On Sat, 14 Feb 2015 06:50:14 -0600 Adam Vande More wrote: > On Sat, Feb 14, 2015 at 5:42 AM, Rick Thomas > wrote: > > > When I try to change the frequency with (e.g.) > > sysctl kern.timecounter.tc.timebase.frequency=36000000 > > > > I get > > sysctl: oid ‘kern.timecounter.tc.timebase.frequency' is read > > only > > > > Yeah, pretty clear that sysctl isn't going to help you in any way in > "man 4 timecounters" > > Is there some other way to set the frequency? > > > > Sure, but I thought keeping accurate time was the goal? If so, > sharing the output from the first command I gave you is a good start. Perhaps using powerd? It can adjust the Hz of cpu. --- --- Eduardo Morras