content: https://developer.nvidia.com/nsight-systems/get-started
  
  options解释：https://docs.nvidia.com/nsight-systems/UserGuide/index.html#gms-introduction
  
  
  nsys profile --delay=60 --duration=30 --stats=true --force-overwrite=true --export=json --output=~/profile_results/nsight_report-$(date +"%s") \
  --trace=cuda,nvtx,osrt,cudnn,cublas ./output
  
  # --gpu-metrics-device=all