From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755247Ab1K2RbH (ORCPT ); Tue, 29 Nov 2011 12:31:07 -0500 Received: from nitrogen.vapor.com ([213.203.212.226]:45706 "EHLO nitrogen.vapor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755144Ab1K2RbD (ORCPT ); Tue, 29 Nov 2011 12:31:03 -0500 Subject: Re: [REGRESSION] [Linux 3.2] top/htop and all other CPU usage From: Ian Kumlien Reply-To: pomac@vapor.com To: Michal Hocko Cc: linux-kernel@vger.kernel.org, rjw@sisk.pl, tino.keitel@tikei.de, t.artem@lycos.com In-Reply-To: <20111129075242.GB2675@tiehlicka.suse.cz> References: <20111128222803.GA4925@pomac.netswarm.net> <20111129075242.GB2675@tiehlicka.suse.cz> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-A7xipPIP4BSq9K663eOr" Date: Tue, 29 Nov 2011 18:31:00 +0100 Message-ID: <1322587860.4061.6.camel@pi> Mime-Version: 1.0 X-Mailer: Evolution 2.32.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-A7xipPIP4BSq9K663eOr Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On tis, 2011-11-29 at 08:52 +0100, Michal Hocko wrote: > On Mon 28-11-11 23:28:03, pomac@vapor.com wrote: > > Hi,=20 > >=20 > > All this time i have been thinking i'm the only one - and i've been to > > loaded with work during working hours and tired when home =3DP > >=20 > > Anyways, I've neen seeing this since -rc1 on: > > Intel(R) Core(TM) i5 CPU U520 @ 1.07GHz - x86-64 > > AMD Phenom(tm) II X6 1090T - x86-64 > > AMD Athlon(tm) 64 X2 Dual Core Processor 4400+ - x86-64 > > Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz - i686 > >=20 > > Configs available on demand - I've been running the same config for > > quite some time though. >=20 > As I have written in other email could you post your config and collect > the following data? > for i in `seq 30`;=20 > do=20 > cat /proc/stat > `date +'%s'` > sleep 1 > done > export old_user=3D0 old_nice=3D0 old_sys=3D0 old_idle=3D0 old_iowait=3D0;= =20 >=20 > # for all your available CPUs > grep cpu0 * | while read cpu user nice sys idle iowait rest;=20 > do=20 > echo $cpu $(($user-$old_user)) $(($nice-$old_nice)) $(($sys-$old_= sys)) $(($idle-$old_idle)) $(($iowait-$old_iowait)) > old_user=3D$user old_nice=3D$nice old_sys=3D$sys old_idle=3D$idle= old_iowait=3D$iowait > done Sorry, the previous one was AMD X2 4400+ and now the T7200: 1322587696:cpu0 1410110 148 368843 357890604 357890604 1322587697:cpu0 0 0 1 0 0 1322587698:cpu0 1 0 1 0 0 1322587699:cpu0 2 0 1 0 0 1322587700:cpu0 0 0 1 0 0 1322587701:cpu0 0 0 1 0 0 1322587702:cpu0 0 0 1 0 0 1322587703:cpu0 1 0 0 0 0 1322587704:cpu0 0 0 0 0 0 1322587705:cpu0 0 0 1 0 0 1322587706:cpu0 1 0 1 0 0 1322587707:cpu0 0 0 1 0 0 1322587708:cpu0 1 0 0 0 0 1322587709:cpu0 1 0 0 0 0 1322587711:cpu0 0 0 2 0 0 1322587712:cpu0 0 0 0 0 0 1322587713:cpu0 1 0 1 0 0 1322587714:cpu0 1 0 0 0 0 1322587715:cpu0 1 0 1 0 0 1322587716:cpu0 1 0 0 0 0 1322587717:cpu0 0 0 1 0 0 1322587718:cpu0 1 0 1 0 0 1322587719:cpu0 0 0 1 0 0 1322587720:cpu0 0 0 0 0 0 1322587721:cpu0 2 0 1 0 0 1322587722:cpu0 1 0 0 0 0 1322587723:cpu0 0 0 3 0 0 1322587724:cpu0 1 0 0 0 0 1322587725:cpu0 0 0 0 0 0 1322587726:cpu0 0 0 1 0 0 1322587696:cpu1 1395249 509 284978 357890604 95640 1322587697:cpu1 0 0 0 0 0 1322587698:cpu1 0 0 0 0 0 1322587699:cpu1 0 0 0 0 0 1322587700:cpu1 1 0 0 0 0 1322587701:cpu1 1 0 0 0 0 1322587702:cpu1 0 0 0 0 0 1322587703:cpu1 0 0 1 0 0 1322587704:cpu1 1 0 0 0 0 1322587705:cpu1 0 0 1 0 0 1322587706:cpu1 1 0 0 0 0 1322587707:cpu1 0 0 0 0 0 1322587708:cpu1 1 0 0 0 0 1322587709:cpu1 1 0 1 0 0 1322587711:cpu1 0 0 0 0 0 1322587712:cpu1 0 0 0 0 0 1322587713:cpu1 0 0 0 0 0 1322587714:cpu1 0 0 0 0 0 1322587715:cpu1 0 0 0 0 0 1322587716:cpu1 0 0 1 0 0 1322587717:cpu1 0 0 0 0 0 1322587718:cpu1 0 0 0 0 0 1322587719:cpu1 0 0 1 0 0 1322587720:cpu1 1 0 0 0 0 1322587721:cpu1 2 0 0 0 0 1322587722:cpu1 0 0 0 0 0 1322587723:cpu1 0 0 1 0 0 1322587724:cpu1 0 0 0 0 0 1322587725:cpu1 1 0 0 0 0 1322587726:cpu1 0 0 0 0 0 Btw, perf doesn't seem to yield anything.. --=20 Ian Kumlien -- http://demius.net || http://pomac.netswarm.net --=-A7xipPIP4BSq9K663eOr Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) iEYEABECAAYFAk7VFtQACgkQ7F3Euyc51N+0MwCgpkE6OOcBt0imTQckpoSndGAJ 8eUAn0RA167pv8uLppBf4JB1FumlmGZ5 =hKKF -----END PGP SIGNATURE----- --=-A7xipPIP4BSq9K663eOr--