Hi,
Please execute sudo nvpmodel -m 0 and sudo jetson_clocks. It is the mode with max performance. You may refer to detail in document:
https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%2520Linux%2520Driver%2520Package%2520Development%2520Guide%2Fpower_management_tx2_32.html%23
And you may try to encode into h264 stream. There is an example:
We are deprecating omx plugins. IF you would like to try, please use nvv4l2h264enc and nvv4l2decoder instead of omxh264enc and omxh264dec.