Improve send_signal BPF test stability

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Substitute sleep with dummy CPU intensive computation.
Finish aforemention computation as soon as signal was
delivered to the test process. Make the BPF code to
only execute when PID global variable is set

Signed-off-by: Mykola Lysenko <mykolal@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20220308200449.1757478-3-mykolal@fb.com

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Mykola Lysenko 2022-03-08 12:04:48 -08:00 • committed by Andrii Nakryiko

parent d4b5405444

commit 1fd4986412

2 changed files with 11 additions and 8 deletions

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17

tools/testing/selftests/bpf/prog_tests/send_signal.c

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2

tools/testing/selftests/bpf/progs/test_send_signal_kern.c

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