https://community.intel.com/t5/Software-Tuning-Performance/AES-NI-instructions-statistics/m-p/768299#M152 Hello Vlad3,<BR />Unfortunately, there is no easy way to do this. Intel does not have any 'count AES-NI instruction' counters.<BR />One can infer the number of AES-NI instructions using VTune Amplifier XE <A href="http://software.intel.com/en-us/articles/intel-vtune-amplifier-xe/">http://software.intel.com/en-us/articles/intel-vtune-amplifier-xe/</A> .<BR />If you measure instructions retired then you can estimate the number AES-NI instructions. <BR />But you'll have to look through the dis-assemblyto find the AES-NI instructions. <BR />Each instruction processes 16 bytes of data so, if you know the number of AES-NI instructions then you can estimate the total data processed.<BR />Sorry to not have a simpler solution.<BR />Pat Fri, 19 Aug 2011 12:23:26 GMT Patrick_F_Intel1 2011-08-19T12:23:26Z https://community.intel.com/t5/Software-Tuning-Performance/AES-NI-instructions-statistics/m-p/768298#M151 Is there a way how to get information about total number of AES-NI instructions executed on a CPU (core), size of data processed with the intructions, etc. ? Fri, 19 Aug 2011 08:02:11 GMT https://community.intel.com/t5/Software-Tuning-Performance/AES-NI-instructions-statistics/m-p/768298#M151 vlad3 2011-08-19T08:02:11Z https://community.intel.com/t5/Software-Tuning-Performance/AES-NI-instructions-statistics/m-p/768299#M152 Hello Vlad3,<BR />Unfortunately, there is no easy way to do this. Intel does not have any 'count AES-NI instruction' counters.<BR />One can infer the number of AES-NI instructions using VTune Amplifier XE <A href="http://software.intel.com/en-us/articles/intel-vtune-amplifier-xe/">http://software.intel.com/en-us/articles/intel-vtune-amplifier-xe/</A> .<BR />If you measure instructions retired then you can estimate the number AES-NI instructions. <BR />But you'll have to look through the dis-assemblyto find the AES-NI instructions. <BR />Each instruction processes 16 bytes of data so, if you know the number of AES-NI instructions then you can estimate the total data processed.<BR />Sorry to not have a simpler solution.<BR />Pat Fri, 19 Aug 2011 12:23:26 GMT https://community.intel.com/t5/Software-Tuning-Performance/AES-NI-instructions-statistics/m-p/768299#M152 Patrick_F_Intel1 2011-08-19T12:23:26Z