On Thu, Jun 5, 2014 at 12:28 AM, Andi Kleen <a...@linux.intel.com> wrote: >> There is no HW or FW workaround for this problem. > > Actually there is for global measurements: > > measure with Any bit set and divide by two. > > Please add a check that the any bit is set, and disable > the workaround for that case. > I think this assume same event is measured on sibling counters at any time. Otherwise, how does that eliminate the corruption? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/