linux-kernel - Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+

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Date:	Tue, 11 Nov 2008 12:33:06 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	Yves-Alexis Perez <corsac@...ian.org>
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Lukas Hejtmanek <xhejtman@....muni.cz>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Marcin Slusarz <marcin.slusarz@...il.com>,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	torvalds@...ux-foundation.org, elendil@...net.nl
Subject: Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+



> Under 2.6.28-rc4 the bootime seems ok, but I have way too much powertop
> wakups:

I see the same on a T61.
There was a boot-stall in -rc3, now gone in rc4. 
(as of today's top of tree: 3ad4f597058301c97f362e500a32f63f5c950a45)

However, I'm seeing over 800 "extra timer interrupt" per second when idle

-Len
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