Thanks for your review, Ingo! On 03/06/2012 05:07 PM, Ingo Molnar wrote: > So, your new tool has a similar workflow to: > > perf kvm record > perf kvm report > > but differs from it in terms of events used and in terms of > reported output. > > To me it appears that your tool is basically pretty similar to > 'perf stat', adapted to KVM, right? > > So, could your new tool's workflow be simplified like this: > > perf kvm stat .. > > ? > > To automatically stat all vcpus in the system, the well-known > -a/--all-cpus system-wide method could be used: > > perf kvm stat -a ... > > with stat output following immediately after it has finished. > Actually, the stat information has already been included in the report. > It should also be possible to use those new events in a > recording fashion - a new, rather logical command sub-space > could be used for that: > > perf kvm stat record ... > perf kvm stat report ... > > [ This could be expanded to regular 'perf stat' as well: 'perf > stat record' and 'perf stat report' would be useful - but I > suspect that's outside the scope of your patches. ] > I totally agree with you except i prefer 'perf kvm events' to 'perf kvm stat' :) : it records some specified kvm events and smartly analyze it. I think it matches its doing better. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html