selftests/bpf: Add bpf_snprintf_btf helper tests

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Tests verifying snprintf()ing of various data structures,
flags combinations using a tp_btf program. Tests are skipped
if __builtin_btf_type_id is not available to retrieve BTF
type ids.

Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/1601292670-1616-5-git-send-email-alan.maguire@oracle.com

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Alan Maguire 2020-09-28 12:31:06 +01:00 • committed by Alexei Starovoitov

parent c4d0bfb450

commit 076a95f5af

2 changed files with 309 additions and 0 deletions

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60

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

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249

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

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