zyp@odyssey:~/fpga_sandbox/litex-boards/litex_boards/targets/build/acorn_cle_215/driver/user$ ./litepcie_util info FPGA identification: LiteX SoC on Acorn CLE 215+ 2020-06-10 14:37:12 FPGA dna: 0x0008a48664b04854 FPGA temperature: 43.7 °C FPGA vccint: 1.02 V FPGA vccaux: 1.77 V FPGA vccbram: 1.02 V LitePCIe utilities usage: litepcie_util [options] cmd [args...] options: -h Help -f Force flashing when ident not found -c device_num Select the device (default = 0) available commands: info Board information dma_test Test DMA (loopback in FPGA) scratch_test Test Scratch register uart_test Test CPU Crossover UART zyp@odyssey:~/fpga_sandbox/litex-boards/litex_boards/targets/build/acorn_cle_215/driver/user$ ./litepcie_util dma_test DMA_SPEED(Gbps) TX_BUFFERS RX_BUFFERS DIFF ERRORS 6.94 21379 21123 256 4935680 7.06 43139 42883 256 9984000 7.06 64899 64643 256 15032320 7.06 86659 86403 256 20080640 7.06 108419 108163 256 25128960 7.06 130179 129923 256 30177280 7.06 151939 151683 256 35225600 7.06 173699 173443 256 40273920 7.06 195459 195203 256 45322240 7.09 217219 216963 256 50370560 DMA_SPEED(Gbps) TX_BUFFERS RX_BUFFERS DIFF ERRORS 7.09 238979 238723 256 55418880 7.06 260739 260483 256 60467200 7.02 282499 282243 256 65515520 7.06 304259 304003 256 70563840 7.06 326019 325763 256 75612160 7.06 347779 347523 256 80660480 7.06 369539 369283 256 85708800 7.06 391299 391043 256 90757120 7.06 413059 412803 256 95805440 7.06 434819 434563 256 100853760