On Fri, Jun 13, 2014 at 10:08 AM, hiren panchasara
<hiren.panchas...@gmail.com> wrote:
> On Fri, Jun 13, 2014 at 9:22 AM, Ian Smith <smi...@nimnet.asn.au> wrote:
>> On Thu, 12 Jun 2014 14:28:33 -0700, hiren panchasara wrote:
<skip>
>>  >
>>  > # sysctl dev.amdtemp
>>  > dev.amdtemp.0.%desc: AMD CPU On-Die Thermal Sensors
>>  > dev.amdtemp.0.%driver: amdtemp
>>  > dev.amdtemp.0.%parent: hostb4
>>  > dev.amdtemp.0.sensor_offset: 0
>>  > dev.amdtemp.0.core0.sensor0: 15.3C
>>  >
>>  > # sysctl -a dev.cpu | grep temp
>>  > dev.cpu.0.temperature: 15.2C
>>  > dev.cpu.1.temperature: 15.2C
>>  > dev.cpu.2.temperature: 15.2C
>>  > dev.cpu.3.temperature: 15.2C
>>  > dev.cpu.4.temperature: 15.2C
>>  > dev.cpu.5.temperature: 15.2C
>>  > dev.cpu.6.temperature: 15.2C
>>  > dev.cpu.7.temperature: 15.2C
>>  >
>>  > I am not sure how this ^ relates to what acpi reports under thermal.
>>
>> Well first, unless you've just turned it on, it's idling and lives in a
>> refrigerator or coldroom, those temperatures are at best a third of the
>> minimum I'd expect to see reported .. and they wouldn't all be the same.
>
> Oh wait. It gets better :-)
>
> # uptime
>  9:42AM  up 10 days,  9:04, 1 user, load averages: 0.37, 0.29, 0.24
> # sysctl -a dev.cpu | grep temp
> dev.cpu.0.temperature: 13.6C
> dev.cpu.1.temperature: 13.6C
> dev.cpu.2.temperature: 13.6C
> dev.cpu.3.temperature: 13.6C
> dev.cpu.4.temperature: 13.6C
> dev.cpu.5.temperature: 13.6C
> dev.cpu.6.temperature: 13.6C
> dev.cpu.7.temperature: 13.6C
> #
>
> I am not sure how correct these numbers are but I've enabled AMD's
> Cool'n'Quiet thingi in BIOS.
>
> # sysctl dev.cpu | grep cx_lowest
> dev.cpu.0.cx_lowest: C8
> dev.cpu.1.cx_lowest: C8
> dev.cpu.2.cx_lowest: C8
> dev.cpu.3.cx_lowest: C8
> dev.cpu.4.cx_lowest: C8
> dev.cpu.5.cx_lowest: C8
> dev.cpu.6.cx_lowest: C8
> dev.cpu.7.cx_lowest: C8
> #

<skip>
>
> # sysctl dev.cpu | grep temp
> dev.cpu.0.temperature: 14.0C
> dev.cpu.1.temperature: 14.0C
> dev.cpu.2.temperature: 14.0C
> dev.cpu.3.temperature: 14.0C
> dev.cpu.4.temperature: 14.0C
> dev.cpu.5.temperature: 14.0C
> dev.cpu.6.temperature: 14.0C
> dev.cpu.7.temperature: 14.0C

Just for curious minds:

Afternoon and evenings bring direct sunlight to where the machine is.
And I guess that is showing? probably?
# sysctl dev.cpu | grep temp
dev.cpu.0.temperature: 16.8C
dev.cpu.1.temperature: 16.8C
dev.cpu.2.temperature: 16.8C
dev.cpu.3.temperature: 16.8C
dev.cpu.4.temperature: 16.8C
dev.cpu.5.temperature: 16.8C
dev.cpu.6.temperature: 16.8C
dev.cpu.7.temperature: 16.8C

cheers,
Hiren
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