* Andi Kleen <a...@firstfloor.org> wrote: > On Sat, Jan 26, 2013 at 12:54:02PM +0100, Ingo Molnar wrote: > > > > * Andi Kleen <a...@firstfloor.org> wrote: > > > > > From: Andi Kleen <a...@linux.intel.com> > > > > > > Implement the TSX transaction and checkpointed transaction > > > qualifiers for Haswell. This allows e.g. to profile the number > > > of cycles in transactions. > > > > The changelog should explain why this is a basic feature > > that is a must-have to have basic perf support. (i.e. > > default 'perf record', 'perf report', 'perf stat' and 'perf > > top' works and is meaningful.) > > The patch is not needed for primitive cycle sampling only.
So please re-send a truly minimal hw-enabling series first, as requested - a minimal series that enables most of the everyday usecases. > These qualifiers are a fundamental feature for any TSX tuning. Any new, Haswell-specific profiling features should obviously be in a second (or third) series of patches. Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/