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5f6aa6d82e
This is a long standing bug in kunit tool. Since these files were added, run_kernel() has always yielded lines. That means, the call to run_kernel() returns before the kernel finishes executing tests, potentially before a single line of output is even produced. So code like this time_start = time.time() result = linux.run_kernel(...) time_end = time.time() would only measure the time taken for python to give back the generator object. From a caller's perspective, the only way to know the kernel has exited is for us to consume all the output from the `result` generator object. Alternatively, we could change run_kernel() to try and do its own book keeping and return the total time, but that doesn't seem worth it. This change makes us record `time_end` after we're done parsing all the output (which should mean we've consumed all of it, or errored out). That means we're including in the parsing time as well, but that should be quite small, and it's better than claiming it took 0s to run tests. Let's use this as an example: $ ./tools/testing/kunit/kunit.py run --kunitconfig=lib/kunit example Before: Elapsed time: 7.684s total, 0.001s configuring, 4.692s building, 0.000s running After: Elapsed time: 6.283s total, 0.001s configuring, 3.202s building, 3.079s running 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.