selftests/bpf: extend existing map resize tests for per-cpu use case

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Add a per-cpu array resizing use case and demonstrate how
bpf_get_smp_processor_id() can be used to directly access proper data
with no extra checks.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20230711232400.1658562-2-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Andrii Nakryiko 2023-07-11 16:24:00 -07:00 • committed by Alexei Starovoitov

parent f42bcd168d

commit c21de5fc5f

2 changed files with 17 additions and 5 deletions

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14

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

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8

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

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