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

[Steffen Möller]

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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>
>
>
> -- 
> Best regards,
> Michael