linux-kernel - Re: v4.8-rc1: thinkpad x60: running at low frequency even during kernel build

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Date:   Sat, 5 Nov 2016 20:36:17 +0100
From:   Pavel Machek <pavel@....cz>
To:     Henrique de Moraes Holschuh <hmh@....eng.br>
Cc:     "Pandruvada, Srinivas" <srinivas.pandruvada@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Zhang, Rui" <rui.zhang@...el.com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "platform-driver-x86@...r.kernel.org" 
        <platform-driver-x86@...r.kernel.org>,
        "rjw@...ysocki.net" <rjw@...ysocki.net>,
        "viresh.kumar@...aro.org" <viresh.kumar@...aro.org>,
        "ibm-acpi-devel@...ts.sourceforge.net" 
        <ibm-acpi-devel@...ts.sourceforge.net>,
        "ibm-acpi@....eng.br" <ibm-acpi@....eng.br>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>
Subject: Re: v4.8-rc1: thinkpad x60: running at low frequency even during
 kernel build

On Sat 2016-11-05 15:46:12, Henrique de Moraes Holschuh wrote:
> On Sat, 05 Nov 2016, Pavel Machek wrote:
> > Hmm, thanks for the pointer. But it seems like I'll have to build my
> > own, as /proc/acpi/ibm does not follow the usual infrastructure...
> 
> /proc/acpi/ibm has been deprecated for years.  99% of the functionality
> is available through more modern, standard interfaces.

Right, I see sensors can do it these days. Would it be good to expose
them as /sys/class/thermal/thermal_zone*, too?

Is it known what various fields in /proc/acpi/ibm/thermal measure?
Basically... 100C is okay for semiconductors, but I'd prefer not to
kill the hard drive....

> thinkpad-acpi is supposed to export standard hwmon temperature sensors
> as well.  Try them instead, please.

Heh, I just finished python to work with /proc/acpi/ibm. Oh well.

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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