Nsight system hangs

I was trying to profile my Tensorflow custom train loop with nsys profie. But it keep hanging when run into

  1. pandas.read_csv
  2. numpy.arrange
  3. tdqm
  4. something deeper in my train code…

CentOS 7.4
Kernel version 4.18
Tensorflow 1.14
8 T4 GPU

Does anyone ever encountered this problem? Thanks.