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. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
