High interrupt CPU in top...
Adam Vande More
amvandemore at gmail.com
Mon Oct 27 21:31:25 UTC 2014
On Mon, Oct 27, 2014 at 3:59 PM, Peter Harrison <
four.harrisons at googlemail.com> wrote:
> Can anyone help me diagnose this please? I'm on 10.0-RELEASE on a Thinkpad
> X200s. In top I see around 30% CPU listed as 'interrupt' even when I'm only
> running Xorg (with Xfce as the window manager) with no other applications
> open:
>
> last pid: 1946; load averages: 1.09, 1.30, 1.24
> up 0+00:59:59 21:56:20
> 54 processes: 1 running, 53 sleeping
> CPU: 0.4% user, 0.0% nice, 0.2% system, 32.8% interrupt, 66.6% idle
> Mem: 188M Active, 282M Inact, 283M Wired, 22M Cache, 206M Buf, 1127M Free
> Swap: 4096M Total, 4096M Free
>
> PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU
> COMMAND
> 1362 root 1 20 0 150M 25596K select 1 1:18 0.10% Xorg
> 1613 peter 4 32 0 260M 21700K select 1 0:02 0.10%
> xfce4-terminal
> 1521 peter 1 20 0 159M 17652K select 1 0:10 0.00% xfwm4
> 1539 peter 1 20 0 152M 13704K select 1 0:08 0.00%
> wrapper
> 1524 peter 3 20 0 278M 24172K select 1 0:05 0.00%
> xfce4-panel
> 1444 haldaemon 2 28 0 60428K 6436K select 1 0:01 0.00% hald
> 1511 peter 2 39 0 163M 14756K select 1 0:01 0.00%
> xfce4-session
> 1544 root 2 20 0 54908K 5904K select 1 0:01 0.00%
> upowerd
> 1526 peter 2 20 0 247M 16108K kqread 0 0:01 0.00%
> xfdesktop
> 1540 peter 1 20 0 156M 15480K select 1 0:01 0.00%
> wrapper
> 1279 messagebus 1 20 0 17044K 3144K select 0 0:00 0.00%
> dbus-daemon
>
> How do I diagnose what's using my processor?
>
vmstat -i
--
Adam
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