Basic perf PMU support for Haswell v4

This is based on v7 of the full Haswell PMU support, but ported to the latest perf/core and stripped down to the extreme "perf for dummies" edition as requested. I removed some more patches, these will come later. I moved parts of an later patch (counter constraints for qualifiers) into an

Basic perf PMU support for Haswell v4

This is based on v7 of the full Haswell PMU support, but ported to the latest perf/core and stripped down to the extreme perf for dummies edition as requested. I removed some more patches, these will come later. I moved parts of an later patch (counter constraints for qualifiers) into an

perf PMU support for Haswell v4

[Updated version for the latest master tree and various fixes. See end for details. This should be ready for merging now I hope. Arnaldo, especially needs attention from you for the user space part.] This adds perf PMU support for the upcoming Haswell core. The patchkit is fairly large, mainly

perf PMU support for Haswell v4

[Updated version for the latest master tree and various fixes. See end for details. This should be ready for merging now I hope. Arnaldo, especially needs attention from you for the user space part.] This adds perf PMU support for the upcoming Haswell core. The patchkit is fairly large, mainly