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doc: add cpu usage in acrntrace #8686

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doc: add cpu usage in acrntrace #8686

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10 changes: 10 additions & 0 deletions doc/tutorials/debug.rst
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Expand Up @@ -159,6 +159,16 @@ reason and times of each vm_exit after we have done some operations.

vmexit summary information

4. Use the command to get a summary of cpu usage in cpu-sharing case::

# acrnalyze.py -i /home/trace/acrntrace/20231122-054116/0 -o cpu_usage --cpu_usage

.. figure:: images/debug_image29.png
:align: center

cpu usage summary information


Using Self-Defined Trace Event ID to Analyze Trace
==================================================

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3 changes: 3 additions & 0 deletions misc/debug_tools/acrn_trace/README.rst
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Expand Up @@ -75,6 +75,7 @@ Options:
-f, --frequency=unsigned_int TSC frequency in MHz
--vm_exit generate a vm_exit report
--irq generate an IRQ-related report
--cpu_usage generate a cpu_usage report

.. note:: The tool depends on TSC frequency to do time-based analysis. Be sure
to configure the right TSC frequency that ACRN runs on. TSC frequency can be
Expand Down Expand Up @@ -140,6 +141,8 @@ data to your development computer (Linux system), and run the analysis tool.
- The analysis report is written to stdout, or to a CSV file if
a file name is specified using ``-o filename``.
- The scripts require Python3.
- If want to analyze cpu usage of each VM in cpu-sharing case, use ``--cpu_usage``
to replace.

Build and Install
*****************
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