> Hmm, so based on Andi's reply, I am assuming you are running on a Westmere > (or Nehalem) due to the lack of mem-stores. > > If you don't have mem-stores, this tool isn't going to work. The tool can > only detect contention when sampling reads _and_ writes to the same > addresses.
On these CPUs you could simply sample on HITM. You won't get addresses, but at least IPs and call stacks. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
