Re: [PATCH v9 0/8] Parallel CPU bringup for x86_64

[David Woodhouse]

On 21 February 2023 07:27:13 GMT, Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx> wrote:
>On 21.02.2023 00:30, David Woodhouse wrote:
>> Oleksandr, please could you show the output of 'cpuid' after a
>> successful resume?  I'm particularly looking for this part...
>> 
>> 
>> $ sudo cpuid | grep -A1 1/ebx
>>    miscellaneous (1/ebx):
>>       process local APIC physical ID = 0x0 (0)
>> --
>>    miscellaneous (1/ebx):
>>       process local APIC physical ID = 0x2 (2)
>> ...
>
>For me this command doesn't produce any output. Also, no output from the command Kim used in response to you. With no `grep` it just dumps a table of raw hex data.

I'll take the hex please.

>It's `msr-tools` 1.3-4 from Arch. Should I run this command on a patched kernel booted with `no_parallel_bringup`, or on unpatched kernel (if that makes any difference)?

Either works as long as it's after a resume that wouldn't have worked. Thanks.