Jetson Thor分析CPU热点
发布时间:2026-07-03 18:44:55.78 文章来源:AiSoftCloud 浏览次数:34 下载次数:1 

查看系统环境

  1. jetson_release -v

输出:

  1. uname -r
  2. Software part of jetson-stats 4.5.4 - (c) 2026, Raffaello Bonghi
  3. Model: NVIDIA Jetson AGX Thor Developer Kit - Jetpack 7.0 [L4T 38.2.1]
  4. NV Power Mode[1]: 120W
  5. Serial Number: [XXX Show with: jetson_release -s XXX]
  6. Hardware:
  7. - 699-level Part Number: 699-13834-0008-400 G.5
  8. - P-Number: p3834-0008
  9. - Module: NVIDIA Jetson AGX Thor (Developer kit)
  10. - SoC: tegra264
  11. - CUDA Arch BIN: 11.0
  12. Platform:
  13. - Machine: aarch64
  14. - System: Linux
  15. - Distribution: Ubuntu 24.04 Noble Numbat
  16. - Release: 6.8.12-rt-tegra
  17. - Python: 3.12.3
  18. jtop:
  19. - Version: 4.5.4
  20. - Service: Active
  21. Libraries:
  22. - CUDA: 13.0.48
  23. - cuDNN: 9.12.0
  24. - TensorRT: 10.13.3.9
  25. - VPI: Not installed
  26. - Vulkan: 1.4.304
  27. - OpenCV: 4.6.0 - with CUDA: NO
  28. 6.8.12-rt-tegra

下载对应的内核源码:
L4T 38.x 对应 r38_release_v2.1

  1. wget https://developer.nvidia.com/embedded/l4t/r38_release_v2.1/sources/public_sources.tbz2
  2. tar -xjvf public_sources.tbz2
  3. cd Linux_for_Tegra/source
  4. tar -xjvf kernel_src.tbz2
  5. cd ./kernel/kernel-noble/tools/perf
  6. make -j$(nproc) CORESIGHT=1
  7. sudo cp perf /usr/local/bin/
  8. perf --version

安装依赖:

  1. sudo apt update
  2. sudo apt install -y libtraceevent-dev libcap-dev libslang2-dev libpfm4-dev libbabeltrace-dev libperl-dev systemtap-sdt-dev
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