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    SubjectRe: [REGRESSION] [Linux 3.2] top/htop and all other CPU usage
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    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,
    > >
    > > 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 =P
    > >
    > > 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
    > >
    > > Configs available on demand - I've been running the same config for
    > > quite some time though.
    >
    > As I have written in other email could you post your config and collect
    > the following data?
    > for i in `seq 30`;
    > do
    > cat /proc/stat > `date +'%s'`
    > sleep 1
    > done
    > export old_user=0 old_nice=0 old_sys=0 old_idle=0 old_iowait=0;
    >
    > # for all your available CPUs
    > grep cpu0 * | while read cpu user nice sys idle iowait rest;
    > do
    > echo $cpu $(($user-$old_user)) $(($nice-$old_nice)) $(($sys-$old_sys)) $(($idle-$old_idle)) $(($iowait-$old_iowait))
    > old_user=$user old_nice=$nice old_sys=$sys old_idle=$idle old_iowait=$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..

    --
    Ian Kumlien -- http://demius.net || http://pomac.netswarm.net
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