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| H A D | btf.c | diff 88a82c2a9ab5b2ce533c3de3f4517853c2f67f53 Wed Nov 04 22:33:53 CST 2020 Andrii Nakryiko <andriin@fb.com> libbpf: Unify and speed up BTF string deduplication
Revamp BTF dedup's string deduplication to match the approach of writable BTF
string management. This allows to transfer deduplicated strings index back to
BTF object after deduplication without expensive extra memory copying and hash
map re-construction. It also simplifies the code and speeds it up, because
hashmap-based string deduplication is faster than sort + unique approach.
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20201105043402.2530976-4-andrii@kernel.org
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