Add amdgpu tests to benchmark SDMA, read wavefront states and Trap registers. - #1
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Use the 'SDMA_OPCODE_COPY' to copy a 512MB buffer from System RAM to a buffer of same size in VRAM. Measure time it takes to complete this operation and calculate the transfer speed.
Carve out a 'SDMA copy' helper function from 'System RAM to VRAM copy test' and use it to add a test to benchmark the memory copy from VRAM to System RAM using SDMA.
Use the amdgpu kernel debugfs to read the wave states. Only support of AI Family AMD gpus is available.
Use the 'gpr' file in amdgpu kernel debugfs to read the sgpr and vgpr registers when a compute unit is active.
Dispatch a shader program with a long loop and read wavefront states.
Read the TBA and TMA registers in a shader and write the values into a buffer. Verify that the values are as set in the kernel mode driver.
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Add following new amdgpu tests,