PCIE non-transparent bridge performance testing method

The invention discloses PCIE non-transparent bridge performance testing method. The PCIE non-transparent bridge performance testing method includes that providing a memory mapping function for two host systems based on the function of a PCIE non-transparent bridge (NTB), realizing communication between two controllers, and loading a testing module after loading ntb drive to double controllers according to the communication mode of the double controllers; when loading the module, finishing creating an sysfs attribute file for user space through ntb equipment; sending a data transmission request through an sysfs entrance, and gathering statistical information to obtain performance test result when the data transmission is finished; finishing testing, and unloading the testing module. The PCIE non-transparent bridge performance testing method is used for testing the PCIE NTB hardware layer transmission performance between double controllers, the automatic test is realized, the software maintenance cost is saved, and accordingly the competitiveness is improved.