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. > But on the other hand in my experience most PMU users use > relatively simple few counters (e.g. 90+% likely the local > variant of CPU_CYCLES_NONHALTED) so it would be in theory > possible to translate those by traps from a different CPU's > format in the monitor into the local MSR. > > The only trouble is that is no architectural way to tell > the guest "i support only counter X Y Z" and also no > nice way to reject a particular counter except for just > not ticking. Can't this be exported through CPUID ? >
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
