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From: Jakub Kicinski <kuba@kernel.org>
To: Joe Damato <jdamato@fastly.com>
Cc: linux-kselftest@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, nalramli@fastly.com,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>
Subject: Re: [PATCH net-next v2] selftest: epoll_busy_poll: epoll busy poll tests
Date: Mon, 6 May 2024 18:12:54 -0700	[thread overview]
Message-ID: <20240506181254.09f10699@kernel.org> (raw)
In-Reply-To: <20240506205326.70502-1-jdamato@fastly.com>

On Mon,  6 May 2024 20:53:22 +0000 Joe Damato wrote:
> 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).

Hm, we get:

# timeout set to 3600
# selftests: net: epoll_busy_poll
# TAP version 13
# 1..5
# # Starting 5 tests from 2 test cases.
# #  RUN           invalid_fd.test_invalid_fd ...
# #            OK  invalid_fd.test_invalid_fd
# ok 1 invalid_fd.test_invalid_fd
# #  RUN           epoll_busy_poll.test_get_params ...
# #            OK  epoll_busy_poll.test_get_params
# ok 2 epoll_busy_poll.test_get_params
# #  RUN           epoll_busy_poll.test_set_invalid ...
# # epoll_busy_poll.c:204:test_set_invalid:Expected -1 (-1) == ret (0)
# # epoll_busy_poll.c:205:test_set_invalid:EPIOCSPARAMS should error busy_poll_budget > NAPI_POLL_WEIGHT
# # epoll_busy_poll.c:207:test_set_invalid:Expected EPERM (1) == errno (22)
# # epoll_busy_poll.c:208:test_set_invalid:EPIOCSPARAMS errno should be EPERM busy_poll_budget > NAPI_POLL_WEIGHT
# # test_set_invalid: Test failed
# #          FAIL  epoll_busy_poll.test_set_invalid
# not ok 3 epoll_busy_poll.test_set_invalid
# #  RUN           epoll_busy_poll.test_set_and_get_valid ...
# #            OK  epoll_busy_poll.test_set_and_get_valid
# ok 4 epoll_busy_poll.test_set_and_get_valid
# #  RUN           epoll_busy_poll.test_invalid_ioctl ...
# #            OK  epoll_busy_poll.test_invalid_ioctl
# ok 5 epoll_busy_poll.test_invalid_ioctl

https://netdev-3.bots.linux.dev/vmksft-net/results/584001/98-epoll-busy-poll/stdout

  reply	other threads:[~2024-05-07  1:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-06 20:53 [PATCH net-next v2] selftest: epoll_busy_poll: epoll busy poll tests Joe Damato
2024-05-07  1:12 ` Jakub Kicinski [this message]
2024-05-07  1:40   ` Joe Damato
2024-05-07  2:02     ` Jakub Kicinski

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