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docs(linux): AM62PX: Update PREEMPT_RT perf numbers
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Update the AM62Px latency numbers for the SDK 10.1 release

Signed-off-by: Bryan Brattlof <[email protected]>
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bryanbrattlof committed Dec 18, 2024
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19 changes: 12 additions & 7 deletions source/devices/AM62PX/linux/RT_Linux_Performance_Guide.rst
Original file line number Diff line number Diff line change
Expand Up @@ -49,15 +49,20 @@ It is one of the most frequently used tools for evaluating the relative performa
Some performance tests which use Cyclictest are System benchmarking, Latency debugging with tracing and
approximating application performance.

Test command for running stress-ng and cyclictest together
Test commands used for running stress-ng and cyclictest together

``stress-ng --cpu-method=all -c 4 &``
.. code:: console
``cyclictest -m -Sp98 -D6h -h400 -i200 -q``
stress-ng --cpu-method=all -c 4 &
cyclictest -m -Sp80 -D6h -h400 -i200 -M -q
The latencies observed with this SDK are summarized below:

.. csv-table::
:header: "Latencies","am62pxx_sk-fs:per-core"
:header: "Latencies","CPU 0","CPU 1","CPU 2","CPU 3"

"Minimum (usec)","5","5","5","5"
"Average (usec)","6","6","5","6"
"Maximum (usec)","30","33","31","35"

"Minimum (usec)","4,4,5,4"
"Average (usec)","5,5,6,5"
"Maximum (usec)","33,34,36,44"
.. image:: img/rt-cpu-method-all-latency-histogram.png
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