On Thu, 2012-10-18 at 16:19 -0700, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > When a weighted sample is requested, first try to report the TSX abort cost > on Haswell. If that is not available report the memory latency. This > allows profiling both by abort cost and by memory latencies. > > Memory latencies requires enabling a different PEBS mode (LL). > When both address and weight is requested address wins. > > The LL mode only works for memory related PEBS events, so add a > separate event constraint table for those. > > I only did this for Haswell for now, but it could be added > for several other Intel CPUs too by just adding the right > table for them.
This looks like it will interfere with Stephane's LL patches -- which should be out any day now ;-) Stephane, any comments on how we should deal with all that? -- 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/
