Basic perf PMU support for Haswell v7

This is based on v7 of the full Haswell PMU support, but ported to the latest perf/core and stripped down to the bare bones Only for very extremly basic usage. Most interesting new features are not in this patchkit (full version is git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-misc.git

Re: perf PMU support for Haswell v7

* Andi Kleen wrote: > [Updated version for the latest master tree and fixes. See > end for details. All feedback addressed. Ready for merging.] Could we try a minimal, obvious hardware-enablement series first, with all the optional features left out in the first step? Your patches look most

perf PMU support for Haswell v7

[Updated version for the latest master tree and fixes. See end for details. All feedback addressed. Ready for merging.] This adds perf PMU support for the upcoming Haswell core. The patchkit is fairly large, mainly due to various enhancement for TSX. TSX tuning relies heavily on the PMU, so I tr