Kernel for Dual Core
Mark Ovens
parish at magichamster.com
Mon May 26 18:47:46 UTC 2008
Jos Chrispijn wrote:
>
> I did this on my systems on which I installed FreeBSD from iso CD's:
>
> May 25 17:23:44 triton kernel: FreeBSD/SMP: Multiprocessor System
> Detected: 2 CPUs
> May 25 17:23:44 triton kernel: cpu0 (BSP): APIC ID: 0
> May 25 17:23:44 triton kernel: cpu1 (AP): APIC ID: 1
> May 25 17:23:44 triton kernel: cpu0: <ACPI CPU> on acpi0
> May 25 17:23:44 triton kernel: est0: <Enhanced SpeedStep Frequency
> Control> on cpu0
> May 25 17:23:44 triton kernel: p4tcc0: <CPU Frequency Thermal Control>
> on cpu0
> May 25 17:23:44 triton kernel: cpu1: <ACPI CPU> on acpi0
> May 25 17:23:44 triton kernel: est1: <Enhanced SpeedStep Frequency
> Control> on cpu1
> May 25 17:23:44 triton kernel: p4tcc1: <CPU Frequency Thermal Control>
> on cpu1
> May 25 17:23:44 triton kernel: SMP: AP CPU #1 Launched!
>
> So this would mean that I allready use a dual core tuned system?
> When should it say SMP: AP CPU #2 Launched! ?
>
CPUs are numbered from 0 - so you have cpu0 and cpu1. The system starts
up on cpu0 and the kernel starts cpu1 later in the boot sequence.
Regards,
Mark
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