On Tue, Feb 12, 2013 at 6:29 PM, Andi Kleen <a...@linux.intel.com> wrote: >> >> > The idea itself is useful. >> > >> Yes, it is. > > BTW it would be even more useful if it could print some of the > statistics turbostat does (in particular frequency and C0 residency) > Often you only care about cycles not idle, and the frequency > tells you how fast the cycles happen. > You get C-state residency at the socket level with my perf uncore patch.
This patch is just about helping with unbalance at the physical core level. > I think Cx could be added relatively easily as a software event, > but frequency doesn't fit very well into the perf counting model, > as it's really sampling. > > -Andi -- 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/