SMP with hyperthreading CPU (5.3)?

[Hugo Silva]

[killer at europa:/home/killer/] sysctl kern.smp.active
kern.smp.active: 0


> On Sat, Oct 30, 2004 at 01:43:09PM -0700, Luke wrote:
>> I haven't updated my system since August, but back then the "apic"
>> device
>> was also required.  5.3 may be different.
>> This is the relevant section from my 5.2-CURRENT hyperthreading kernel
>> from last August.
>>
>> # To make an SMP kernel, the next two are needed
>> options         SMP             # Symmetric MultiProcessor Kernel
>> device          apic            # I/O APIC
>>
>
> Sorry, forgot to say, that I've got both of them in my kernel config
> file, i.e. "SMP" and "apic" - however I don't get the characteristic
> "CPU... launched" messages upon boot.
>
> This brings me to another point: What's the best way (besides checking
> /var/log/messages) to tell whether SMP is active?
>
> Does "top" display cpu load for hyperthreading (as opposed to
> multiprocessor) systems too?
>
> -ewald
>
>
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