selftest: epoll_busy_poll: epoll busy poll tests

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Add a simple test for the epoll busy poll ioctls, using the kernel
selftest harness.

This test ensures that the ioctls have the expected return codes and
that the kernel properly gets and sets epoll busy poll parameters.

The test can be expanded in the future to do real busy polling (provided
another machine to act as the client is available).

Signed-off-by: Joe Damato <jdamato@fastly.com>
Link: https://lore.kernel.org/r/20240508184008.48264-1-jdamato@fastly.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Joe Damato 2024-05-08 18:40:04 +00:00 • committed by Jakub Kicinski

parent e7073830cc

commit 60e0f986e8

3 changed files with 323 additions and 1 deletions

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1

tools/testing/selftests/net/.gitignore vendored

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3

tools/testing/selftests/net/Makefile

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320

tools/testing/selftests/net/epoll_busy_poll.c

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