$ sudo ./iommu_list.sh

 Performance counter stats for 'system wide':

                20      amd_iommu_0/cmd_processed/

      10.003010666 seconds time elapsed


 Performance counter stats for 'system wide':

                 5       amd_iommu_0/cmd_processed_inv/

      10.002349464 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/ign_rd_wr_mmio_1ff8h/

      10.002386129 seconds time elapsed


 Performance counter stats for 'system wide':

               325       amd_iommu_0/int_dte_hit/

      10.002346630 seconds time elapsed


 Performance counter stats for 'system wide':

                 2       amd_iommu_0/int_dte_mis/

      10.002365656 seconds time elapsed


 Performance counter stats for 'system wide':

               356       amd_iommu_0/mem_dte_hit/

      10.002426866 seconds time elapsed


 Performance counter stats for 'system wide':

             3,955       amd_iommu_0/mem_dte_mis/

      10.002729058 seconds time elapsed


 Performance counter stats for 'system wide':

                 4       amd_iommu_0/mem_iommu_tlb_pde_hit/

      10.002422610 seconds time elapsed


 Performance counter stats for 'system wide':

             1,326       amd_iommu_0/mem_iommu_tlb_pde_mis/

      10.002397045 seconds time elapsed


 Performance counter stats for 'system wide':

             1,009       amd_iommu_0/mem_iommu_tlb_pte_hit/

      10.002445347 seconds time elapsed


 Performance counter stats for 'system wide':

             1,072       amd_iommu_0/mem_iommu_tlb_pte_mis/

      10.002414734 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/mem_pass_excl/

      10.002435482 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/mem_pass_pretrans/

      10.002409956 seconds time elapsed


 Performance counter stats for 'system wide':

             3,405       amd_iommu_0/mem_pass_untrans/

      10.002563812 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/mem_target_abort/

      10.002473657 seconds time elapsed


 Performance counter stats for 'system wide':

             1,311       amd_iommu_0/mem_trans_total/

      10.002471787 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/page_tbl_read_gst/

      10.002216033 seconds time elapsed


 Performance counter stats for 'system wide':

           276,609       amd_iommu_0/page_tbl_read_nst/

      10.002029261 seconds time elapsed


 Performance counter stats for 'system wide':

           126,161       amd_iommu_0/page_tbl_read_tot/

      10.003569029 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/smi_blk/

      10.001871818 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/smi_recv/

      10.002212891 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/tlb_inv/

      10.002396606 seconds time elapsed


 Performance counter stats for 'system wide':

                 0       amd_iommu_0/vapic_int_guest/

      10.002435308 seconds time elapsed


 Performance counter stats for 'system wide':

               340       amd_iommu_0/vapic_int_non_guest/

      10.002405868 seconds time elapsed


$ sudo perf stat -e 'amd_iommu_0/mem_dte_hit/, amd_iommu_0/mem_dte_mis/, amd_iommu_0/mem_iommu_tlb_pde_hit/, amd_iommu_0/mem_iommu_tlb_pde_mis/, amd_iommu_0/mem_iommu_tlb_pte_hit/, amd_iommu_0/mem_iommu_tlb_pte_mis/' sleep 10

 Performance counter stats for 'system wide':

               345       amd_iommu_0/mem_dte_hit/
               606       amd_iommu_0/mem_dte_mis/
                10       amd_iommu_0/mem_iommu_tlb_pde_hit/
               910       amd_iommu_0/mem_iommu_tlb_pde_mis/
               140       amd_iommu_0/mem_iommu_tlb_pte_hit/
               797       amd_iommu_0/mem_iommu_tlb_pte_mis/

      10.002553966 seconds time elapsed


$ sudo perf stat -e 'amd_iommu_0/mem_dte_hit/, amd_iommu_0/mem_dte_mis/, amd_iommu_0/mem_iommu_tlb_pde_hit/, amd_iommu_0/mem_iommu_tlb_pde_mis/, amd_iommu_0/mem_iommu_tlb_pte_hit/, amd_iommu_0/mem_iommu_tlb_pte_mis/, amd_iommu_0/mem_pass_excl/, amd_iommu_0/mem_pass_pretrans/, amd_iommu_0/mem_pass_untrans/, amd_iommu_0/mem_target_abort/, amd_iommu_0/mem_trans_total/' sleep 10

 Performance counter stats for 'system wide':

               340       amd_iommu_0/mem_dte_hit/                                     (72.65%)
               389       amd_iommu_0/mem_dte_mis/                                     (72.67%)
                 8       amd_iommu_0/mem_iommu_tlb_pde_hit/                           (72.71%)
               849       amd_iommu_0/mem_iommu_tlb_pde_mis/                           (72.76%)
                96       amd_iommu_0/mem_iommu_tlb_pte_hit/                           (72.78%)
               742       amd_iommu_0/mem_iommu_tlb_pte_mis/                           (72.75%)
                 0       amd_iommu_0/mem_pass_excl/                                   (72.76%)
                 0       amd_iommu_0/mem_pass_pretrans/                               (72.76%)
                 6       amd_iommu_0/mem_pass_untrans/                                (72.77%)
                 0       amd_iommu_0/mem_target_abort/                                (72.71%)
             1,122       amd_iommu_0/mem_trans_total/                                 (72.69%)

      10.002471480 seconds time elapsed