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authorAlan Maguire <alan.maguire@oracle.com>2022-07-12 15:31:45 +0300
committerAlexei Starovoitov <ast@kernel.org>2022-07-13 01:27:19 +0300
commita9d2fae89fa8eb638203d8a4da435c647c12dfa3 (patch)
tree79fc7639a8674e20b98c011f5205979189544eb3 /tools/testing/selftests/ntb
parent647cafa22349026a8435030e9157074ab7fe5710 (diff)
downloadlinux-a9d2fae89fa8eb638203d8a4da435c647c12dfa3.tar.xz
selftests/bpf: add a ksym iter subtest
add subtest verifying BPF ksym iter behaviour. The BPF ksym iter program shows an example of dumping a format different to /proc/kallsyms. It adds KIND and MAX_SIZE fields which represent the kind of symbol (core kernel, module, ftrace, bpf, or kprobe) and the maximum size the symbol can be. The latter is calculated from the difference between current symbol value and the next symbol value. The key benefit for this iterator will likely be supporting in-kernel data-gathering rather than dumping symbol details to userspace and parsing the results. Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/r/1657629105-7812-3-git-send-email-alan.maguire@oracle.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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