Nsys does not support --gpu-metrics-device for Jetson AGX Orin

Developer Tools Nsight Systems Profiling Embedded Targets
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1

Hey,
I’m trying to profile a Pytorch script that utilizes CUDA capabilities to observe GPU workload percentage of the Jetson AGX Orin platform. But when I execute the command below to see the supported devices for --gpu-metrics-device option, it says that Orin is not supported.

nsys profile --trace=cuda --cudabacktrace memory --cuda-memory-usage true --gpu-metrics-device help python3 stream-util.py

Possible --gpu-metrics-device values are:
	0: Orin (not supported)
	all: Select all supported GPUs
	none: Disable GPU Metrics [Default]
Some GPUs are not supported. See the user guide: https://docs.nvidia.com/nsight-systems/UserGuide/index.html#gms-introduction

The user guide it’s referring to does not contain any information about this situation. What else I can do to observe GPU workload percentage for a Pytorch script?

I’m aware of the tegrastats software but I believe it runs for the entire system and there is no way to specify a script for measurement, right?

2

@pkovalenko can you take this one.

3

Orin should be supported. This looks like a permissions issue. Please retry with sudo.

4

Thanks. With sudo I was able to see that the Orin is one of the supported devices. Also later on during the profiling I had to use sudo -E to keep my environment variables and profile successfully.