[Pkg-raspi-maintainers] RPi3 temperature / frequency readout?

[Michael Stapelberg]

No, I generally don’t do that. If you intend to run your Raspberry Pis very
hot, just pro-actively add sufficient cooling? It’s better for the device’s
longevity under heavy load anyway :)

On Fri, Jan 26, 2018 at 11:00 AM, Steffen Möller <steffen_moeller at gmx.de>
wrote:

> Thank you for your quick reply, Michael. Is there anything how you
> determine in software that the machine turns too hot because of
> insufficient cooling and for that reason reduces its performance?
>
> On 26.01.18 08:03, Michael Stapelberg wrote:
>
>> There’s always the possibility that Raspbian uses a custom driver which
>> isn’t yet upstreamed. I was never interested in these two numbers, so I
>> can’t help, sorry.
>>
>> On Fri, Jan 26, 2018 at 12:11 AM, Steffen Möller <steffen_moeller at gmx.de
>> <mailto:steffen_moeller at gmx.de>> wrote:
>>
>>     Hello,
>>
>>     can you please help with magic lines to learn about the
>>     temperature of the RPi3 and at what frequency the CPU is operating?
>>
>>     This is apparently different from what Raspbian makes us expect. I
>>     am running your 20180108 buster image, i.e.
>>     CONFIG_THERMAL=y
>>     CONFIG_HWMON=y
>>     CONFIG_THERMAL_HWMON=y
>>
>>     # find /sys -maxdepth 11 -name \*_input -o -name temp
>>     /sys/devices/virtual/thermal/thermal_zone0/temp
>>     # cat /sys/devices/virtual/thermal/thermal_zone0/temp
>>     cat: /sys/devices/virtual/thermal/thermal_zone0/temp: Invalid
>> argument
>>     # ls /sys/devices/virtual/thermal/thermal_zone0/
>>     available_policies  k_po                passive
>>     subsystem/          trip_point_0_temp
>>     integral_cutoff     k_pu                policy sustainable_power
>>     trip_point_0_type
>>     k_d                 mode                power/ temp
>>     type
>>     k_i                 offset              slope trip_point_0_hyst
>>     uevent
>>
>>     Cheers,
>>
>>     Steffen
>>
>>
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>> maintainers>
>>
>>
>>
>>
>> --
>> Best regards,
>> Michael
>>
>
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-- 
Best regards,
Michael
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