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feat(linux): Add PCIe performance data for AM64X 12.00.00 release #665

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StaticRocket merged 1 commit into from
Apr 15, 2026
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feat(linux): Add PCIe performance data for AM64X 12.00.00 release #665

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28 changes: 28 additions & 0 deletions source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst
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Expand Up @@ -432,6 +432,34 @@

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PCIe

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[vale] reported by reviewdog 🐶
[RedHat.Headings] Use sentence-style capitalization in 'PCIe'.

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{"message": "[RedHat.Headings] Use sentence-style capitalization in 'PCIe'.", "location": {"path": "source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst", "range": {"start": {"line": 435, "column": 1}}}, "severity": "INFO"}
====

PCIe-NVMe-SSD

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[RedHat.Headings] Use sentence-style capitalization in 'PCIe-NVMe-SSD'.

Raw Output:
{"message": "[RedHat.Headings] Use sentence-style capitalization in 'PCIe-NVMe-SSD'.", "location": {"path": "source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst", "range": {"start": {"line": 438, "column": 1}}}, "severity": "INFO"}
-------------

To run the performance test, connect an NVMe SSD to the PCIe slot of the EVM, and execute the following commands:

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[RedHat.TermsWarnings] Consider using 'run', 'issue', 'start', or 'enter' rather than 'execute' unless updating existing content that uses the term.

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{"message": "[RedHat.TermsWarnings] Consider using 'run', 'issue', 'start', or 'enter' rather than 'execute' unless updating existing content that uses the term.", "location": {"path": "source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst", "range": {"start": {"line": 441, "column": 83}}}, "severity": "WARNING"}

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[vale] reported by reviewdog 🐶
[RedHat.Definitions] Define acronyms and abbreviations (such as 'EVM') on first occurrence if they're likely to be unfamiliar.

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'EVM') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst", "range": {"start": {"line": 441, "column": 74}}}, "severity": "INFO"}

.. code-block:: console

cd /opt/ltp
./runltp -P am64xx-hsevm -f ddt/pci_gen3ssd_perf -s "PCI_L_PERF_NVMESSD_EXT4_FIO_10G "

.. csv-table:: PCIE SSD EXT4 FIO 10G

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[RedHat.Definitions] Define acronyms and abbreviations (such as 'FIO') on first occurrence if they're likely to be unfamiliar.

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{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'FIO') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst", "range": {"start": {"line": 448, "column": 30}}}, "severity": "INFO"}

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[vale] reported by reviewdog 🐶
[RedHat.Definitions] Define acronyms and abbreviations (such as 'PCIE') on first occurrence if they're likely to be unfamiliar.

Raw Output:
{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'PCIE') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst", "range": {"start": {"line": 448, "column": 16}}}, "severity": "INFO"}
:header: "Buffer size (bytes)","Write EXT4 Throughput (Mbytes/sec)","Write EXT4 CPU Load (%)","Read EXT4 Throughput (Mbytes/sec)","Read EXT4 CPU Load (%)"

"1m","397 (min 393.4, max 400.6)","24.39","422 (min 419.0, max 425.9)","15.49"
"4m","398 (min 385.9, max 411.0)","19.26","424 (min 410.2, max 436.1)","15.11"
"4k","74.2 (min 71.1, max 76.3)","50.47","103 (min 100.8, max 105.5)","50.78"
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"256k","397 (min 390.3, max 399.3)","25.54","420 (min 416.3, max 422.7)","15.16"

- File size used: 10G
- FIO command options: --ioengine='libaio' --iodepth=4 --numjobs=1 --direct=1 --group_reporting --runtime=60 --time_based --eta=never

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[vale] reported by reviewdog 🐶
[RedHat.Definitions] Define acronyms and abbreviations (such as 'FIO') on first occurrence if they're likely to be unfamiliar.

Raw Output:
{"message": "[RedHat.Definitions] Define acronyms and abbreviations (such as 'FIO') on first occurrence if they're likely to be unfamiliar.", "location": {"path": "source/devices/AM64X/linux/RT_Linux_Performance_Guide.rst", "range": {"start": {"line": 457, "column": 3}}}, "severity": "INFO"}
- Platform: Speed 5GT/s, Width x1
- SSD used: Intel SSDPED1D280GA

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OSPI
====

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