From: Maciej Rutecki <maciej.rutecki@gmail.com>
To: "Artem S. Tashkinov" <t.artem@lycos.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [REGRESSION] [Linux 3.2] top/htop and all other CPU usage metering applications has gone crackers
Date: Tue, 29 Nov 2011 22:16:48 +0100 [thread overview]
Message-ID: <201111292216.48928.maciej.rutecki@gmail.com> (raw)
In-Reply-To: <1718181782.740375.1322130615898.JavaMail.mail@webmail19>
On czwartek, 24 listopada 2011 o 11:30:15 Artem S. Tashkinov wrote:
> Hello,
>
> I'd like to report a weird regression in Linux 3.2 (running rc3 now) - all
> CPU metering applications have gone terribly mad under this kernel:
>
> Here are two text snapshots of htop:
>
> 1 [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Tasks: 135 total, 1 running 2
> [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Load average: 0.00 0.01 0.05 3
> [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Uptime: 00:27:49 4
> [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Load: 0.00 Mem[||||||||||||
> 544/8093MB]
> Avg[||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
>
> IORR IOWR IO PID USER PRI NI VIRT RES SHR S CPU% MEM%
> TIME+ Command 0 0 0 3529 root 20 0 70052 52244 19324 S
> 300. 0.6 0:25.93 /usr/bin/X -br 0 0 0 3678 user 20 0
> 33952 10220 8448 S 100. 0.1 0:03.58 gkrellm 0 0 0 3772 user
> 20 0 32144 13960 9532 S 100. 0.2 0:07.46 konsole [kdeinit] --noxft
> 0 0 0 6061 user 20 0 2780 1276 960 R 100. 0.0
> 0:00.01 htop 0 0 0 1 root 20 0 2884 1376 1168 S 0.0
> 0.0 0:01.00 /sbin/init 0 0 0 2 root 20 0 0 0
> 0 S 0.0 0.0 0:00.00 kthreadd
>
>
> 1 [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Tasks: 135 total, 1 running 2
> [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Load average: 0.00 0.01 0.05 3
> [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Uptime: 00:28:43 4
> [||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
> Load: 0.00 Mem[||||||||||||
> 545/8093MB]
> Avg[||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||100.0%]
>
> IORR IOWR IO PID USER PRI NI VIRT RES SHR S CPU% MEM%
> TIME+ Command 0 0 0 6061 user 20 0 2780 1288 972 R
> 57.0 0.0 0:00.11 htop 0 0 0 5243 user 20 0 559M 318M
> 30928 S 57.0 3.9 0:26.07 /opt/firefox/firefox 0 0 0 3687 user
> 20 0 108M 39124 23564 S 57.0 0.5 0:06.50 kedit 0 0 0 3637
> user 20 0 26960 5572 4288 S 57.0 0.1 0:00.02 klauncher
> [kdeinit] --new-startup 0 0 0 3529 root 20 0 70052 52244
> 19324 S 0.0 0.6 0:26.71 /usr/bin/X -br
>
> Interestingly with this madness going on, the internal kernel average load
> counter works properly:
>
> [root@localhost ~]# uptime
> 16:20:38 up 44 min, 2 users, load average: 0.02, 0.04, 0.05
>
> Right at this moment all process viewers report 400% CPU load (I have 4 CPU
> cores), either 400% loaded by user processes or 200% by system and 200% by
> user processes.
>
> Graphically it looks this way:
> http://img717.imageshack.us/img717/6495/top2b.png
>
> I'm not running any CPU intensive applications at the moment at all.
>
> My .config file can be downloaded here: http://ompldr.org/iYmZneg
>
> My distro is Fedora 14 i686.
>
> Best wishes,
>
> Artem
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> Please read the FAQ at http://www.tux.org/lkml/
Seems be similar to:
http://marc.info/?l=linux-kernel&m=132156832124314&w=2
http://marc.info/?l=linux-kernel&m=132164909313594&w=2
Regards
--
Maciej Rutecki
http://www.mrutecki.pl
prev parent reply other threads:[~2011-11-29 21:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-24 10:30 [REGRESSION] [Linux 3.2] top/htop and all other CPU usage metering applications has gone crackers Artem S. Tashkinov
2011-11-24 20:05 ` Tino Keitel
2011-11-27 11:04 ` Tino Keitel
2011-11-27 11:45 ` Rafael J. Wysocki
2011-11-27 11:45 ` Tino Keitel
2011-11-27 11:56 ` Rafael J. Wysocki
2011-11-27 11:57 ` Artem S. Tashkinov
2011-11-28 19:55 ` Tino Keitel
2011-11-28 20:19 ` Rafael J. Wysocki
2011-11-28 21:41 ` Michal Hocko
2011-11-28 21:43 ` Michal Hocko
2011-11-28 21:48 ` Michal Hocko
2011-11-29 8:14 ` Michal Hocko
2011-11-29 21:25 ` Tino Keitel
2011-11-29 21:16 ` Maciej Rutecki [this message]
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