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The ftracetest script is a fairly complete test framework for tracefs-like subsystem, but it can only be used for ftrace selftests. If OPT_TEST_DIR is provided and includes a function file, use that as test directory going forward rather than just grabbing tests from it. Generalise function names like initialize_ftrace to initialize_system. Add the --rv argument to set up the test for rv, basically changing the trace directory to $TRACING_DIR/rv and displaying an error if that cannot be found. This prepares for rv selftests inclusion. Link: https://lore.kernel.org/r/20251017115203.140080-2-gmonaco@redhat.com Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.