From: Matthew Garrett <mjg59@srcf.ucam.org>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] doubt about assignments of the thermal sensors to their physical location
Date: Sun, 26 Aug 2012 19:32:34 +0000 [thread overview]
Message-ID: <20120826193234.GA29093@srcf.ucam.org> (raw)
In-Reply-To: <503A78A7.9020205@gmx.de>
On Sun, Aug 26, 2012 at 09:27:35PM +0200, Toralf Förster wrote:
> for a ThinkPad T420 (model 4180-f65) running at a stable Gentoo w/
> kernel 3-5.3 I'm wondering, if the kernel (module thinkpad_acpi) + the
> package sys-apps/lm_sensors-3.3.1 works fine together wrt to the
> assignments of the thermal sensors to their physical location.
thinkpad-acpi isn't involved here. The core temperatures are all coming
from the CPU itself.
> I'm wondering why the 2 cores of the "Intel(R) Core(TM) i5-2540M CPU @
> 2.60GHz stepping 07" doesn't have the same temperature of 43°C and
> "Physical id 0:" has the other (different) value of 40°C.
The two cores can be different temperatures. The physical id 0 value is
the package temperature, which will typically just be the highest of the
core temperatures.
--
Matthew Garrett | mjg59@srcf.ucam.org
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prev parent reply other threads:[~2012-08-26 19:32 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-26 19:27 [lm-sensors] doubt about assignments of the thermal sensors to their physical location Toralf Förster
2012-08-26 19:32 ` Matthew Garrett [this message]
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