How to get the config log of nvidia gpu p4 for int8 mode using autotvm

https://docs.tvm.ai/tutorials/autotvm/tune_relay_cuda.html
The tutorial gives us the example of creating config log for different gpu devices. But the config type is float32.
How to get the config log of nvidia gpu p4 for int8 mode using autotvm.
Could you give me some examples?