Elazar Leibovich <elazar.leibov...@ravellosystems.com> writes: > > While most of the samples I see have misc event of > PERF_RECORD_MISC_GUEST_KERNEL or PERF_RECORD_MISC_GUEST_USER, I still > see a very small amount of samples with PERF_RECORD_MISC_KERNEL > (1280/345161=0.38%).
This can happen due to skid (PMI firing much later than the trigger). It usually goes away when you enable precise which reduces the skid enough that it is very rare. There was some discussion to add a software filter for this case, but so far nobody has bothered. -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
