> Is there really a requirement to profile several userspace programs, on > several guests, simultaneously?
Since guests affect each others performance (e.g. one guest can push the data of another guest out of cache) profiling over guests makes a lot of sense. Otherwise you cannot easily diagnose any situations where a guest affects another guests' performance negatively. >The usual argument for profiling over gus If not, passing through the PMU will > work best, with the additional advantage that guests will not need > modification (so you can run Windows with VTune, for example). Ideally you would support both. -Andi ------------------------------------------------------------------------- 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
