On Sat, May 12, 2012 at 2:25 PM, Arnaldo Carvalho de Melo <acme@infradead.org> wrote: > > Didn't notice it, but then I'm not updating the kernel that frequently, > will check on this Sandy Bridge nobo (i7-2920XM).
I think SNB has problems with PEBS and cycles anyway. I have a westmere machine that I use for profiling for that reason.