Re: [lm-sensors] [PATCH 4/4] hwmon: (ibmpowernv) pretty print labels

[Cedric Le Goater <clg@fr.ibm.com>]

Hello Guenter,

On 04/07/2015 09:22 PM, Guenter Roeck wrote:
> Hi Cedric,
> 
> On Tue, Apr 07, 2015 at 08:03:46PM +0200, Cedric Le Goater wrote:
>>
>> on a P7  :
>>
>> 	# ppc64_cpu --info
>> 	Core   0:    0*    1*    2*    3* 
>> 	Core   1:    4*    5*    6*    7* 
>> 	Core   2:    8*    9*   10*   11* 
>> 	Core   3:   12*   13*   14*   15* 
>> 	Core   4:   16*   17*   18*   19* 
>> 	Core   5:   20*   21*   22*   23* 
>>
> How would the 'sensors' output look like on that system ?
> Wouldn't it be something like the following ?
> 
>  	Core 0-7:    +29.0°C  
>  	Core 4-11:   +29.0°C  

yep. 

>>> Also, how do you know that the range of CPU IDs is always 8 ?
>>
>> This is a shortcut. The code is for the ibmpowernv platform and assumes 
>> that we are running on a P8 (8 hardware threads). It would be better to 
>> use a "maximum threads per core" variable but I am not sure this is 
>> available, as it is a tunable. I will look into it.
>>
> Tunable how ? 

You can switch on and off threads.

> The core code must have some means to detect this number when it initialized 
> CPU entries, or am I missing something ?

threads_per_core is what the code needs. v3 is on its way.

Thanks !

C.





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