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10
doc/tutorials/debug.rst
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@ -159,6 +159,16 @@ reason and times of each vm_exit after we have done some operations.
vmexit summary information 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 Using Self-Defined Trace Event ID to Analyze Trace
================================================== ==================================================

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3
misc/debug_tools/acrn_trace/README.rst
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@ -75,6 +75,7 @@ Options:
-f, --frequency=unsigned_int TSC frequency in MHz -f, --frequency=unsigned_int TSC frequency in MHz
--vm_exit generate a vm_exit report --vm_exit generate a vm_exit report
--irq generate an IRQ-related 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 .. 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 to configure the right TSC frequency that ACRN runs on. TSC frequency can be
@ -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 - The analysis report is written to stdout, or to a CSV file if
a file name is specified using ``-o filename``. a file name is specified using ``-o filename``.
- The scripts require Python3. - 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 Build and Install
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