Zepp-Hanzj opened a new pull request, #18979:
URL: https://github.com/apache/nuttx/pull/18979
## Summary
Add documentation for the ``gprof`` command, which controls NuttX
function-call profiling. Covers the ``start``, ``stop``, ``dump``, and ``help``
subcommands, configuration dependencies on ``CONFIG_PROFILE`` and
``CONFIG_SYSTEM_GPROF``, and a worked example showing how to collect and
analyse a ``gmon.out`` file.
Refs #11081
## Source verification
Evidence drawn from:
- ``apps/system/gprof/gprof.c`` (85 lines; 3 subcommands dispatched via
``strcmp``)
- ``apps/system/gprof/Kconfig`` (``tristate``; depends on ``!PROFILE_NONE ||
SIM_GPROF``)
- ``include/sys/gmon.h`` (``monstartup()``, ``moncontrol()``,
``_mcleanup()`` prototypes and semantics)
## Docs build
.. code-block:: bash
cd Documentation
python3 -c "...docutils parse..." # RST parse OK
PYTHONPATH=_extensions python3 -m sphinx -b dummy .
/tmp/nuttx-docs-build-gprof
# build succeeded, no gprof warnings
Signed-off-by: hanzj <[email protected]>
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