On Sun, Dec 15, 2013 at 11:03:13PM +0100, Manuel Selva wrote: > Thanks for the answer Andi. > > Is there any way (I couldn't find in the Intel documentation) to > have an approximation of the "maximum" acceptable frequency ?
It depends on how much overhead is acceptable and how you configure perf (which affects the cost of the handler) and what the executed code does. You could tune it to minimize throttles. I would start with something like 20003 If you only want the relative ratios of course using perf stat would be better. -Andi -- a...@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
