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Pasted by Anonymous on Wed Jun 10 14:23:37 2020 UTC as Bash Session 
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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