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62 lines
2.3 KiB
ReStructuredText
62 lines
2.3 KiB
ReStructuredText
.. meta::
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:description: Install rocminfo
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:keywords: install, rocminfo, AMD, ROCm
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**************************
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Build rocminfo from source
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**************************
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To build rocminfo as part of the ROCm Core SDK, see `TheRock build
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instructions
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<https://github.com/ROCm/TheRock/blob/main/docs/development/README.md>`__.
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TheRock is the recommended way to build ROCm components from source.
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Alternatively, you can build rocminfo standalone using the following
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instructions.
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Build rocminfo using CMake
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==========================
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Use the standard CMake build procedure to build rocminfo. The ROCm root directory (the parent directory containing ROCM headers and libraries) must be provided as a CMake argument using the standard ``CMAKE_PREFIX_PATH`` variable.
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After cloning the `rocminfo Git repository <https://github.com/ROCm/rocm-systems/tree/develop/projects/rocminfo>`_, run ``git fetch --tags`` to retrieve the repository tags, which are used for versioning.
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For example:
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.. code-block:: bash
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$ git fetch --tags origin
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Building from the CMakeLists.txt directory might look like this:
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.. code-block:: bash
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mkdir -p build
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cd build
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cmake -DCMAKE_PREFIX_PATH=/opt/rocm ..
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make
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cd ..
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Upon a successful build, the rocminfo binary and the Python script ``rocm_agent_enumerator`` will present in the ``build`` directory.
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rocminfo execution
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==================
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rocminfo reports information about HSA system attributes and agents.
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``rocm_agent_enumerator`` prints a list of AMD GCN ISA or architecture names. With the option ``-name``, it prints out the available architecture names obtained from rocminfo. Otherwise, it generates the ISA in one of the following ways:
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* ``ROCM_TARGET_LST``: A user-defined environment variable that specifies the path to the ``target.lst`` file. This can be used in a sandboxed install environment where executing rocminfo is not possible.
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* ``target.lst``: A user-supplied text file in the same folder as ``rocm_agent_enumerator``. This can be used in a container environment where the ROCm stack is not available.
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* HSA topology: Gathers information from the HSA node topology under ``/sys/class/kfd/kfd/topology/nodes/``.
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* ``lspci``: Enumerates the PCI bus and locates supported devices from a hard-coded lookup table.
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* rocminfo: A tool shipped with this script to enumerate GPU agents available on a working ROCm stack.
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