On Thu, May 2, 2013 at 9:32 AM, Peter Zijlstra <[email protected]> wrote: > On Wed, May 01, 2013 at 09:21:55PM +0200, Stephane Eranian wrote: >> On Wed, May 1, 2013 at 9:13 PM, Andi Kleen <[email protected]> wrote: >> >> Unfortunately, Andi's patch fails to correct the problem though >> >> it is the right approach. As he said, the problem is unfortunately >> > >> > perf stat -a / record -a / top will work. >> > >> But it does not for perf stat -a. Look at my example, run it on your machine. > > > Since nobody seems interested in explaining the exact nature of the hardware > failure I think the best thing we can do is simply blacklist these events. > > Broken hardware is broken after all -- we should jump through too many hoops > pretending its not.
Problem is, those events are really important. We need to be able to measure them. -- 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/
