On Wed, Sep 07, 2016 at 02:31:46PM +0530, Debdipta Ghosh wrote: > HEllo all, > > I was going through a linux well known concept, hot plugin of cpu cores: > https://www.kernel.org/doc/Documentation/cpu-hotplug.txt > > Is it more power saving than highest C-State and P-State? > > If we make one cpu offline, it disappears from the OS as it is not present, Is > that means that CPU is powered off? It all depends on your hardware. Some platforms can turn the CPUs off, some can not. Sorry, not much help, I know, but the variety of hardware out there in the world is amazing... greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies