On Mon, Mar 03, 2014 at 01:07:00PM -0500, Joe Mario wrote: > If you only sample on the HITMs then you don't get the store misses. > That means you'll not be able to detect who is simultaneously tugging > on the same cache lines. That gives up much of the value of "perf > c2c".
As long as you know which lines are hurting bringing in (loads) you can often figure out who is doing the stores on them. > As we developed this, we ended up settling on Ivy Bridge to get the > behavior we wanted. Wouldn't SNB also work? -- 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/
