On Mon, Oct 22, 2012 at 5:39 PM, Andi Kleen <a...@linux.intel.com> wrote: >> But maybe you're talking about a generic event exports in >> /sys/device/cpu/events. >> But why would I expose prec_dist there. And under what name? > > I already exposed it in the Haswell patchkit (instructions-p) > > I also exposed precise there so that some events can be forced PEBS > > If you want to expose it on Sandy Bridge too you need to add the > event to the user tool grammar, like I did for precise. > > Then user can just use > > perf record -e instructions-p ... > > and the kernel does automagically the right thing. > Ok, I understand now. But I am wondering what would be the meaning of:
$ perf stat -e instructions-p ... I know the answer, because I know what's going on under the hood. But what about the average user? -- 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/