linux-kernel - Re: [patch-mm 00/25] High resolution timer updates and x86_64 support

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Message-ID: <18748.1182203384@turing-police.cc.vt.edu>
Date:	Mon, 18 Jun 2007 17:49:44 -0400
From:	Valdis.Kletnieks@...edu
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...e.hu>,
	Andi Kleen <ak@...e.de>, Chris Wright <chrisw@...s-sol.org>,
	Arjan van de Ven <arjan@...radead.org>
Subject: Re: [patch-mm 00/25] High resolution timer updates and x86_64 support - V2

On Mon, 18 Jun 2007 13:24:33 PDT, "Pallipadi, Venkatesh" said:

> >state2/time: -159524787
> >state2/usage: 15007443
> >
> 
> The problem is powertop only understands /proc/acpi/processor/CPU*/power
> for
> and not /sys..cpuidle for the moment.
> 
> I had a patch in recent cpuidle fixes series that makes /proc interface
> active
> again with cpuidle which should correct this. Those patches are not in
> rc4-mm2-hrt4, but are there in latest rc4-hrt and rc5-hrt series.

OK, so I've got a 32/64 bug that isn't the cause of *this* issue because
powertop isn't looking at the broken value.

A quick check shows that the keep_proc_acpi_power_around_001.patch from
rc5-hrt will apply to rc4-mm2-hrt - I'll give that a try tonight and report
back...


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