On Fri, 2012-09-07 at 19:03 +0200, Stephane Eranian wrote: > I think having different intervals would be a good thing, especially for > uncore. > But now, I am wondering how this could work without too much overhead. > Looks like you're suggesting arming multiple hrtimers if multiple PMU are > overcommitted. Is that right?
Right, we shoulnd't have too many PMUs anyway, let alone over committed ones, so a timer per cpu per pmu should be fine. > As opposed to having a PMU multiplier off of a > single per-cpu hrtimer. -- 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/
