linux-kernel - Re: loadavg question

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Message-ID: <512F93C2.7050105@pr.hu>
Date:	Thu, 28 Feb 2013 18:28:34 +0100
From:	Boszormenyi Zoltan <zboszor@...hu>
To:	Azat Khuzhin <dohardgopro@...il.com>
CC:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: loadavg question

Hi,

yes, that commit is in my kernel 3.7.9 kernel source, but not in 3.3.2.
Also, I have CONFIG_NO_HZ=n in my .config. I will retry with
CONFIG_NO_HZ=y with 3.7.9.

Thanks,
Zoltán Böszörményi

2013-02-28 15:05 keltezĂŠssel, Azat Khuzhin Ărta:
>
> Hi,
>
> Could you check do you have commit that mentioned here?
> http://comments.gmane.org/gmane.linux.kernel/1346108
>
> Respectfully
> Azat Khuzhin.
> >From phone.
>
> On Feb 28, 2013 4:40 PM, "Boszormenyi Zoltan" <zboszor@...hu <mailto:zboszor@...hu>> wrote:
>
>     Hi,
>
>     on an embedded PC (500MHz AMD Geode), we recently tried
>     to upgrade the kernel. The original version was 2.6.27, the new
>     ones were 3.3.x and 3.7.x. With the same userspace (a GTK based
>     GUI constantly querying daemons handling different pieces of
>     hardware over serial ports), we noticed that loadavg is different
>     while the idle time (95-97%) is the same. On 2.6.27, the load was
>     around 0.05-0.3 while on 3.3.x and 3.7.x, it quickly crawled up
>     to around 5. Has the load calculation changed so dramatically
>     after 2.6.27?
>
>     Thanks in advance,
>     ZoltĂĄn BĂśszĂśrmĂŠnyi
>
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