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7d7c48df81
Currently, `run_kernel()` dumps all the kernel output to a file (.kunit/test.log) and then opens the file and yields it to callers. This made it easier to respect the requested timeout, if any. But it means that we can't yield the results in real time, either to the parser or to stdout (if --raw_output is set). This change spins up a background thread to enforce the timeout, which allows us to yield the kernel output in real time, while also copying it to the .kunit/test.log file. It's also careful to ensure that the .kunit/test.log file is complete, even in the kunit_parser throws an exception/otherwise doesn't consume every line, see the new `finally` block and unit test. For example: $ ./tools/testing/kunit/kunit.py run --arch=x86_64 --raw_output <configure + build steps> ... <can now see output from QEMU in real time> This does not currently have a visible effect when --raw_output is not passed, as kunit_parser.py currently only outputs everything at the end. But that could change, and this patch is a necessary step towards showing parsed test results in real time. Signed-off-by: Daniel Latypov <dlatypov@google.com> Reviewed-by: David Gow <davidgow@google.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> |
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| README | ||
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 Restructured Text 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.