a sysctl machdep.tsc_freq problem
gemini at geminix.org
Sat Feb 21 23:42:12 PST 2004
ouyang kai wrote:
> Uwe wrote:
>>Is the P4-1.6G machine a multi-processor system, that is, was the kernel
>>compiled with the SMP option? If so, there is currently no TSC support
>>on multi-processor systems, for technical reasons I understand. So in
>>this case 'machdep.tsc.freq' is omitted from the kernel and therefore
>>cannot be queried.
> No, there are all UP system.
Okay, then there are apparently more reasons for its ommission than just
SMP. After all, 'machdep' means "machine dependent". ;-)
> I think the difference is the P4-1.6G machine enable APM-BIOS, if so, how can I get the CPU speed?
> Because the CPU speed info in the 'kern.msgbuf' will be rushed after the machine run a long time and a lot of kernel msg.
Did you consider parsing '/var/run/dmesg.boot'? That one won't change
Uwe Doering | EscapeBox - Managed On-Demand UNIX Servers
gemini at geminix.org | http://www.escapebox.net
More information about the freebsd-questions