linux-kernel - Re: Mysterious high wakeups-from-idle per second

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Message-ID: <19f34abd0807100056j5a481c81k1ec9d5c398e5924c@mail.gmail.com>
Date:	Thu, 10 Jul 2008 09:56:16 +0200
From:	"Vegard Nossum" <vegard.nossum@...il.com>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Mysterious high wakeups-from-idle per second

On Thu, Jul 10, 2008 at 5:14 AM, Theodore Ts'o <tytso@....edu> wrote:
>
> I'm not sure when this started happening, as I haven't needed to run on
> battery a lot, but I recently noticed (using a 2.6.26-rc9 kernel) that my
> power utilization is 2-3 watts on my laptop higher than normal.  Running
> powertop I see:

Hi,

I reported a similar (but not the same) problem earlier and one of the
suggestions was to boot with idle=mwait. (And that fixed it for me,
though the problem was fixed in code later.)

I'm not sure it's related to your problem, but I guess it's worth a try?


Vegard

-- 
"The animistic metaphor of the bug that maliciously sneaked in while
the programmer was not looking is intellectually dishonest as it
disguises that the error is the programmer's own creation."
	-- E. W. Dijkstra, EWD1036
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