Re: CPU Access in the Kernel

[Stephen Morris]

On 15/6/22 09:44, Jerry James wrote:
> On Tue, Jun 14, 2022 at 5:17 PM Stephen Morris  wrote:
> >   Just a quick question. To determine how many cpu's/cores/channels
> >
> > the kernel is configured to support, do I need to look at the kernel
> > source to determine if all of the cores I have are capable of being
> > used, or is there something else available to tell me without going to
> > the source?
>
> The values the kernel was configured with are in
> /boot/config-<version>.  If I understand your question correctly, you
> are looking for CONFIG_NR_CPUS, which is 8192 on my machine.

Thanks Jerry, I checked that file and mine is the same as yours, so I 
don't need to modify the kernel to use all 16 cores/32 channels for my cpu.

regards,
Steve