tools/bpf: add a multithreaded stress test in bpf selftests test_lpm_map

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The new test will spawn four threads, doing map update, delete, lookup
and get_next_key in parallel. It is able to reproduce the issue in the
previous commit found by syzbot and Eric Dumazet.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Yonghong Song 2018-01-26 15:06:08 -08:00 • committed by Alexei Starovoitov

parent 6dd1ec6c7a

commit af32efeede

2 changed files with 96 additions and 1 deletions

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tools/testing/selftests/bpf/Makefile

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95

tools/testing/selftests/bpf/test_lpm_map.c

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