From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754995Ab1K2R3N (ORCPT ); Tue, 29 Nov 2011 12:29:13 -0500 Received: from nitrogen.vapor.com ([213.203.212.226]:45633 "EHLO nitrogen.vapor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753691Ab1K2R3L (ORCPT ); Tue, 29 Nov 2011 12:29:11 -0500 X-Greylist: delayed 362 seconds by postgrey-1.27 at vger.kernel.org; Tue, 29 Nov 2011 12:29:11 EST 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="=-uSBxv3YuPq+5jt+K5XsO" Date: Tue, 29 Nov 2011 18:23:05 +0100 Message-ID: <1322587386.4061.4.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 --=-uSBxv3YuPq+5jt+K5XsO 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 1322587011:cpu0 5838553 164 1252921 1844674407370 78234 1322587012:cpu0 4 0 1 0 0 1322587013:cpu0 4 0 2 0 0 1322587014:cpu0 2 0 1 0 0 1322587015:cpu0 3 0 2 0 0 1322587016:cpu0 7 0 2 0 4 1322587017:cpu0 2 0 2 0 0 1322587018:cpu0 1 0 1 0 0 1322587019:cpu0 4 0 2 0 1 1322587020:cpu0 5 0 3 0 5 1322587021:cpu0 7 0 1 0 3 1322587022:cpu0 4 0 2 0 0 1322587023:cpu0 4 0 2 0 0 1322587024:cpu0 3 0 3 0 0 1322587025:cpu0 3 0 1 0 0 1322587026:cpu0 4 0 2 0 4 1322587027:cpu0 2 0 2 0 0 1322587028:cpu0 2 0 1 0 0 1322587029:cpu0 4 0 1 0 0 1322587030:cpu0 5 0 1 0 0 1322587032:cpu0 5 0 1 0 4 1322587033:cpu0 6 0 1 0 0 1322587034:cpu0 1 0 2 0 0 1322587035:cpu0 3 0 2 0 0 1322587036:cpu0 3 0 1 0 0 1322587037:cpu0 4 0 2 0 2 1322587038:cpu0 4 0 1 0 0 1322587039:cpu0 2 0 1 0 0 1322587040:cpu0 3 0 1 0 0 1322587041:cpu0 4 0 3 0 0 1322587011:cpu1 5944677 172 1287816 1844674407370 871 1322587012:cpu1 4 0 2 0 0 1322587013:cpu1 2 0 2 0 0 1322587014:cpu1 3 0 0 0 0 1322587015:cpu1 3 0 1 0 9 1322587016:cpu1 22 0 3 0 18 1322587017:cpu1 10 0 3 0 13 1322587018:cpu1 3 0 1 0 0 1322587019:cpu1 4 0 3 0 14 1322587020:cpu1 14 0 2 0 7 1322587021:cpu1 16 0 1 0 2 1322587022:cpu1 5 0 0 0 0 1322587023:cpu1 7 0 1 0 0 1322587024:cpu1 8 0 1 0 0 1322587025:cpu1 2 0 2 0 0 1322587026:cpu1 4 0 2 0 5 1322587027:cpu1 7 0 2 0 0 1322587028:cpu1 5 0 0 0 0 1322587029:cpu1 4 0 2 0 0 1322587030:cpu1 6 0 0 0 0 1322587032:cpu1 3 0 2 0 0 1322587033:cpu1 6 0 1 0 0 1322587034:cpu1 2 0 1 0 0 1322587035:cpu1 4 0 2 0 0 1322587036:cpu1 3 0 1 0 0 1322587037:cpu1 4 0 0 0 0 1322587038:cpu1 8 0 1 0 0 1322587039:cpu1 4 0 2 0 0 1322587040:cpu1 4 0 0 0 0 1322587041:cpu1 8 0 1 0 0 For me the cpu usage is sporadic and only shows up as user or kernel, nothing else. --=20 Ian Kumlien -- http://demius.net || http://pomac.netswarm.net --=-uSBxv3YuPq+5jt+K5XsO 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) iEYEABECAAYFAk7VFPkACgkQ7F3Euyc51N901ACfeSNt3uoiyqzFJIoll3NO/Nf1 KioAoJhyoFynCtYBnlSsaObIVopmkspr =TeKW -----END PGP SIGNATURE----- --=-uSBxv3YuPq+5jt+K5XsO--