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Date:      Tue, 5 Sep 2006 12:35:04 +0200
From:      Fabian Keil <freebsd-listen@fabiankeil.de>
To:        freebsd-current@freebsd.org
Cc:        vova@fbsd.ru
Subject:   Re: wired top (and others) behavior - broken CPU usage reporting ?
Message-ID:  <20060905123504.07e0d5b2@localhost>
In-Reply-To: <1157442358.2048.6.camel@localhost>
References:  <1157442358.2048.6.camel@localhost>

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Vladimir Grebenschikov <vova@fbsd.ru> wrote:

> I have notice that it is no more possible to find what process is eats
> all CPU time with top, vmstat and tools like that. This happens with
> current some (big) time ago.

> 99.5% CPU used in user space.
>=20
> now top output (sorted by CPU):
> last pid:  2024;  load averages:  1.03,  0.65, 0.40 up 0+01:28:34
> 11:38:50
> 120 processes: 4 running, 116 sleeping
> CPU states: 95.7% user,  0.0% nice,  3.5% system,  0.8% interrupt,  0.0%
> idle
> Mem: 589M Active, 209M Inact, 146M Wired, 512K Cache, 111M Buf, 46M Free
> Swap: 1200M Total, 1200M Free
>=20
>   PID USERNAME    THR PRI NICE   SIZE    RES STATE    TIME   WCPU
> COMMAND
>   927 root          1  97    0 52084K 28172K select   1:02  2.98% Xorg
>  1128 vova          1  96    0 21172K 13676K select   0:10  0.98%
> metacity
>  1252 vova          1  96    0 38024K 29884K select   1:56  0.63%
> skype_bin
>  1386 vova         11 126    0   516M   470M RUN      3:42  0.00%
> evolution-2.6

> No any idea who eats these 95.5% of CPU time.=20
> Same picture on vmstat's pigs screen.
>=20
> I know that this process is actually evolution, and if I kill it system
> load drops, but why it is not shown by top (and other).
>=20
> Any hints about it ?

Probably evolution is using libpthread. If you use libmap.conf(5) to have
evolution use libthr instead, you should see its cpu usage just fine.

Fabian
--=20
http://www.fabiankeil.de/

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