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From: Benjamin Herrenschmidt <benh@kernel•crashing.org>
To: "Brian D. Carlstrom" <bdc@carlstrom•com>
Cc: linuxppc-dev@ozlabs•org
Subject: Re: Load average 1.0 on idle machine
Date: Mon, 15 May 2006 11:45:58 +1000	[thread overview]
Message-ID: <1147657558.21291.65.camel@localhost.localdomain> (raw)
In-Reply-To: <17510.55656.607530.491585@zot.electricrain.com>

On Sun, 2006-05-14 at 00:16 -0700, Brian D. Carlstrom wrote:
> Juergen Kreileder writes:
>  > with both 2.6.16.11 and 2.6.17-rc4 my PowerMac G5 Quad shows a load
>  > average of 1.0 when the machine is completely idle (just kernel, init,
>  > and bash running).
> 
> I see this as well, with the load coming from "kwindfarm". I just
> assumed this was expected because of the userlevel thermal control
> versus the older in kernel code for the PowerMac7,2 and 7,3 machines.

I double checked and the driver should sleep for a second every second
unless there the activity of actually doing the thermal control & i2c
fan control is really taking that much time... hrm... I suppose I should
dig a bit more but I don't have time at the moment. For now, consider
the load avergage value bogus :)

Ben.

  reply	other threads:[~2006-05-15  1:46 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-05-13 22:56 Load average 1.0 on idle machine Juergen Kreileder
2006-05-13 23:44 ` Benjamin Herrenschmidt
2006-05-14  7:16 ` Brian D. Carlstrom
2006-05-15  1:45   ` Benjamin Herrenschmidt [this message]
2006-05-15  6:08     ` Dan Malek
2006-05-15  6:23       ` Benjamin Herrenschmidt

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