Re: [PATCH 16/34] perf, x86: Support weight samples for PEBS

2012-10-23 Thread Andi Kleen
> This looks like it will interfere with Stephane's LL patches -- which > should be out any day now ;-) To be honest I'm tired of waiting for them. They have been vapourware for far too long. I would have rebased on his, but since he never posts (and I do) I think it's reasonable now to require

Re: [PATCH 16/34] perf, x86: Support weight samples for PEBS

2012-10-23 Thread Peter Zijlstra
On Thu, 2012-10-18 at 16:19 -0700, Andi Kleen wrote: > From: Andi Kleen > > 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