On Tue, Dec 13, 2005 at 02:12:57PM -0500, Robert Fitzpatrick wrote: > I guess this means my new server is only using one of my CPUs? > > esmtp# grep CPU /var/log/dmesg.today > CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2399.33-MHz 686-class CPU) > Hyperthreading: 2 logical CPUs > cpu0: <ACPI CPU (2 Cx states)> on acpi0 > > Can someone point me to the best doc for enabling use of both CPUs on > the FreeBSD 5.4 server? I assume the kernel needs built with options.
FYI, hyperthreading is not a real CPU, and it seems to *really* hurt performance on most workloads. You'll probably benefit from not using it. Kris
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