On Fri, 10 Oct 2003, Joseph Koshy wrote: > Hi -hackers, > > I'm looking for ways that a userland program can determine the CPU > features available on an SMP machine -- processor model, stepping > numbers, supported features, cache organization etc. > > For example, on some x86 processors the CPUID instruction could be > used to determine some of these parameters, but using this instruction > in an SMP context is a little tricky since we do not know which CPU > gets to execute the instruction.
At least in the Intel world, multiprocessor systems are _always_ supposed to have matching processor steppings, so the reliability of the information should be very good indeed. Mike "Silby" Silbersack _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
