[Skiboot] [PATCH 4/4] hwmon: (ibmpowernv) pretty print labels
Guenter Roeck
linux at roeck-us.net
Wed Apr 8 05:22:12 AEST 2015
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
>
> > 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 ? The core code must have some means to detect this number
when it initialized CPU entries, or am I missing something ?
Thanks,
Guenter
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