On Thursday 31 January 2008 08:42:32 am Andi Kleen wrote: > On Thu, Jan 31, 2008 at 12:44:10AM +0530, Balaji Rao wrote: > > On Wednesday 30 January 2008 11:56:25 pm Andi Kleen wrote: > > > There is no really an architectural PMU if you consider > > > boxes beyond relatively new Intel CPUs (which got one) > > > > But since kvm runs only on such CPUs, it should not really be a problem > > in migrating between various Intel models at least. > > I'm not 100% sure, but I think there are P4 based (Family 15) CPUs which > have VT but not ArchPerfMon. AFAIK ArchPerfMon is only in Family 6 CPUs. > Family 15 has a completely different PerfMon interface. > Yea, you are right. To quote from the manual (2.1.7), 'Intel® Virtualization Technology (Intel® VT) was introduced in the Intel Pentium 4 processor 672 and 662.' And they dont have ArchPerfMon as it was introduced only after core solo and duo.
regards, balaji rao ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
