Date: Sun, 4 Nov 2018 18:36:57 +0100 From: Philipp Vlassakakis <freebsd-en@lists.vlassakakis.de> To: FreeBSD <freebsd-questions@freebsd.org> Cc: carmel_ny@outlook.com Subject: Re: Different temperature reports Message-ID: <1DBD9BE1-B3F4-426D-BAE4-84CAB0EAC2B5@lists.vlassakakis.de> In-Reply-To: <SN1PR20MB210943EF9E361834CE68A8C980C90@SN1PR20MB2109.namprd20.prod.outlook.com> References: <SN1PR20MB210943EF9E361834CE68A8C980C90@SN1PR20MB2109.namprd20.prod.outlook.com>
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hw.acpi.thermal.tz0.temperature is usually the sensor of the CPU.
See ACPI_THERMAL(4)
"For example, each CPU and the enclosure could all be separate thermal zones, each with its ownsetpoints and cooling devices."
Smartctl uses the sensor inside the hard disk.
Regards,
Philipp
> On 4. Nov 2018, at 18:24, Carmel NY <carmel_ny@outlook.com> wrote:
>
> Why would sysctl and smartctl report different temperatures? Smartctl is
> reporting 30C and sysctl is showing 40.1C.
>
> #! /usr/bin/env bash
>
> TP=$(/usr/local/sbin/smartctl -a /dev/ada0 | grep Temp | awk -F " " '{printf "%d",$10}')
>
> printf "%s\n\n" "${TP}"
>
> TP2=$(/sbin/sysctl -a | grep -i hw.acpi.thermal.tz0.temperature | awk '{print substr($2,0,5)}')
>
> printf "%s\n\n" "${TP2}"
>
> exit
>
> Both temperatures are in Celsius.
>
> --
> Carmel
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