Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754738AbYAZSrR (ORCPT ); Sat, 26 Jan 2008 13:47:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752224AbYAZSrG (ORCPT ); Sat, 26 Jan 2008 13:47:06 -0500 Received: from mail.gmx.net ([213.165.64.20]:49079 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752148AbYAZSrF (ORCPT ); Sat, 26 Jan 2008 13:47:05 -0500 X-Authenticated: #5108953 X-Provags-ID: V01U2FsdGVkX1+fGFcavaqfDEdivxBcmEMRbVhlP75IXppXhfZ9HI nh2PQH/jvcLW0T From: Toralf =?utf-8?q?F=C3=B6rster?= To: Tomasz Chmielewski Subject: Re: (ondemand) CPU governor regression between 2.6.23 and 2.6.24 Date: Sat, 26 Jan 2008 19:46:51 +0100 User-Agent: KMail/1.9.7 References: <479B69D2.5050603@wpkg.org> In-Reply-To: <479B69D2.5050603@wpkg.org> Cc: linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1735797.AXiU5mRk46"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200801261946.54518.toralf.foerster@gmx.de> X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2097 Lines: 78 --nextPart1735797.AXiU5mRk46 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline The problem is the same as described here : http://lkml.org/lkml/2007/10/21= /85 If I run dnetc even with lowest prority than the CPU stays at 600 MHz regar= dless of any other load (eg. rsyncing, svn update, compiling, ...) Stopping the dnetc process immediately speeds up the CPU up to 1.7 GHz. Am Samstag, 26. Januar 2008 schrieben Sie: > During the test, run top, and watch your CPU usage. Does it go above 80%= =20 > (the default for=20 > /sys/devices/system/cpu/cpu0/cpufreq/ondemand/up_threshold). No, instead I get : PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 7294 dnetc 39 19 664 348 264 R 49.5 0.0 0:48.68 dnetc 7310 tfoerste 20 0 1796 492 428 R 48.5 0.0 0:07.19 factor 7050 root 20 0 96736 8872 3972 S 0.7 0.9 0:02.99 X > What CPUFreq processor driver are you using? I use the native kernel built-in ondemand governor. BTW, here are the setti= ngs: n22 /sys/devices/system/cpu/cpu0/cpufreq/ondemand # tail -v * =3D=3D> ignore_nice_load <=3D=3D 1 =3D=3D> powersave_bias <=3D=3D 0 =3D=3D> sampling_rate <=3D=3D 500000 =3D=3D> sampling_rate_max <=3D=3D 250000000 =3D=3D> sampling_rate_min <=3D=3D 250000 =3D=3D> up_threshold <=3D=3D 80 =2D-=20 MfG/Sincerely Toralf F=C3=B6rster pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3 --nextPart1735797.AXiU5mRk46 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.7 (GNU/Linux) iD8DBQBHm4AehyrlCH22naMRAuYYAJ9rA9DZoOpspDgUpbBmj2t8vyZjTACgj0BS bJ75ACLdfA2cIZeCX9YSD7o= =t2WS -----END PGP SIGNATURE----- --nextPart1735797.AXiU5mRk46-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/